Tuesday, February 24, 2026

IFLA Newsletter | Vol. 6, No. 2

͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌     ͏ ‌    ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­
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IFLA Newsletter banner featuring a logo with text WLIC highlights

If you're eligible, don't miss your chance to apply for a WLIC 2026 grant! We have a wide range of grants available, ranging from free registrations to additional travel support, so be sure to check the deadlines and apply here.


We're also here to remind you that there is still time to get involved in this year's Congress in different ways! Apply to volunteer at the Congress or submit a poster proposal by 8 April 2026.

We're also excited to announce the first Keynote Session speaker, Jiho Cha, with more keynote speakers to be revealed soon. And if you're joining us this year in Busan, we've put together a K-culture-focused guide so you can dive into the latest from one of Asia's most dynamic cultural hubs.


And to get a taste of what you'll experience this August in Busan, check out this new WLIC video! ▶️

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Banner with "Open Calls Roundup" text in bold white letters on brown background. Left features a hand holding notes saying "Apply Now" and "Get Involved." Right shows sticky notes labeled "Important." The tone is proactive and engaging.
  • The 2026 IFLA PressReader International Marketing Award offers €3500 to attend WLIC 2026 in Busan and recognises outstanding library marketing projects, with applications open until 27 February 2026.

  • The Webinar Series for LIS Students invites Library and Information Science students to present research and ideas on key topics in the field. Each session centres on a specific theme. Webinars are held online, open to all, and free of charge. Submission deadline: 15 March 2026.

  • The American Library Association's (ALA) International Relations Round Table (IRRT) is proud to announce the Call for Nominations for the ALA Presidential Citation for Innovative International Library Projects. Nomination Deadline: 15 March 2026.

  • The MetLib Learning Circle is a 12‑month development programme by the IFLA Metropolitan Libraries Section for 15–20 leaders from major urban public libraries to expand their international networks, explore global library innovations, and receive mentorship from experienced library leaders. Apply to join the MetLib Learning Circle 2026-27 by 22 March 2026.

  • The IFLA Document Delivery and Resource Sharing Section (DDRS) Standing Committee is delighted to announce the Call for Papers and Posters for the 19th Interlending and Document Supply (ILDS) Conference, which will be held in Rome, Italy, from 28 to 30 September 2026. Submit your entries by 2 March 2026.

  • The IFLA/James Bennett Public Library of the Year Award 2026 celebrates newly built public libraries that combine inspiring design, sustainability, innovation, and community impact. Submit your application by 20 May 2026.

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Don't miss what's coming up at IFLA! Explore exciting upcoming events and register now, online or onsite, through our events page.


Looking ahead, on 30 September 2027, IFLA celebrates its 100th anniversary! 🎂

Do you have ideas, initiatives, or partnership proposals to help shape this historic moment? Contact us at ifla100@ifla.org

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Member Spotlight

When libraries, youth, and public data meet, local democracy comes alive. Led by the Senegalese Association of Librarians, Archivists and Documentalists (ASBAD), Open Biblio Lab (OBL) transformed three libraries into open-data and civic hubs. By training 30 librarians and engaging 600 young people, the initiative sparked dialogue, informed advocacy, and repositioned libraries as strategic partners in transparent local governance across Senegal.

Finally, we're delighted to extend a warm welcome to our new members ⭐

African Books And Arts – Nigeria

Ossolineum National Library – Poland

Ross University School of Veterinary Medicine – Saint Kitts and Nevis


We look forward to your engagement and involvement!

SOCIAL SPOTLIGHT

@IFLA and use the #IFLA hashtag to get featured!

Sunday, February 22, 2026

SPP Special Issue on Innovation-driven Knowledge Economies and Transformation in the Global South: What we have learned over the years of the Globelics network

Science and Public Policy, 53(1), 2026.
Articles
  • Editorial 'Innovation-driven knowledge economies and transformation in the Global South' | Gabriela Dutrénit and others
  • Coevolution of subsystems of society, innovation systems, and development: Chris Freeman and the Latin-American structuralists | Gabriela Dutrénit and others
  • A dynamic view on the Latin American innovation system at continental, national, and local level | Carlos Bianchi and others
  • An indicator framework for assessing innovation capabilities in the informal sector | Il-haam Petersen and others
  • Conditions for a successful latecomer development in green technologies | Rainer Walz and others
  • The evolution of environmental technologies integration in industrial knowledge bases: centrality, coherence, and convergence| Ana Urraca-Ruiz and others
  • 4IR technology adoption in the South African airline industry: drivers, constraints and labour market effects | Alexis Habiyaremye and Lorenza Monaco
  • Innovation and knowledge-based inclusive transformation of rural areas in Algeria: examining the PPDRI programme | Abdelkader Djeflat
  • Steering the wheel to deliver what? Innovation, coalitions, and directionality in Latin American biologics | Gabriela Bortz and others
  • Conceptualising inclusive in inclusive innovations: evidence from the AI-based MedTech for cancer detection in India | Pallavi Joshi and others
  • Exploring role, actions, and influence of industry associations in politics of health innovation in India | Dinar Kale and Theo Papaioannou
  • International partnerships for building STI capabilities: insights from centres of excellence in Latin America | Pavel Gabriel Corilloclla Terbullino

Saturday, February 21, 2026

JNU LEC Workshop 'From Idea to Impact: Academic Writing and Research Communication in the AI Era | 25 February

LEC Workshop titled 'From Idea to Impact: Academic Writing and Research Communication in the AI Era | Wednesday 25 February 2026
Kindly fill out the details in this form (https://scan.page/84xIRg) for registering for the one-day academic writing workshop.

Please note:
1. Details can be filled out ONLY by current JNU students. Zero semester students are not allowed.
2. Join the given WhatsApp group for instant updates: https://chat.whatsapp.com/KpLn0yE0V9l62E5smGBDjc
3. Remember to submit a copy of your JNU I-card.

Date: Wednesday, 25 February, 2026
Venue: Committee Room no. 128, SIS - II (new building), JNU
Time: 1:30 p.m. onwards

For any query:
- Dr Sandesha Rayapa (LEC Faculty): sandesha.rayapa.jnu@gmail.com  

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Dr. Anup Kumar Das
Centre for Studies in Science Policy
School of Social Sciences
Jawaharlal Nehru University
New Delhi - 110067, India
डॉ. अनुप कुमार दास 
विज्ञान नीति अध्ययन केंद्र, सामाजिक विज्ञान विद्यालय,
जवाहरलाल नेहरू विश्वविद्यालय, नई दिल्ली - 110067, भारत
Editor-in-Chief: Journal of Data Science, Informetrics, and Citation Studies (jcitation.org)
Editor/Book Review Editor, Journal of Scientometric Research (JSCIRES) (Scopus-indexed). 
Associate Editor, African Journal of Science, Technology, Innovation and Development (AJSTID) (Scopus-indexed).
Information Coordinator-cum-MemberIFLA Library History Special Interest Group
X: @AannuuppK | @IndiaSTS
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Wednesday, February 18, 2026

2027-2028 Fulbright-Nehru Doctoral & Postdoctoral Research Fellowships

2027-2028 Fulbright-Nehru Doctoral Research Fellowships
The Fulbright-Nehru Doctoral Research Fellowships are designed to build long-term capacity to address global challenges and develop innovative solutions in key priority areas in both India and the USA. They encourage proposals that are futuristic, innovative and technology focused. Selected scholars will have the opportunity to conduct research, audit non-degree courses at USA academic institutions to enhance their knowledge and gain practical work experience in suitable settings in the USA. These fellowships are designed for Indian scholars who are registered for a PhD at an Indian institution. These fellowships are for six to nine months. Application Deadline: July 1, 2026

The Postdoctoral Research Fellowships are designed for early-career faculty and researchers in India, offering an opportunity to enhance their research capabilities. Postdoctoral fellows will have access to some of the finest resources in their areas of interest and will help build long-term collaborative relationships with U.S. faculty and institutions. These fellowships are for eight to 24 months. Application Deadline: July 15, 2026

Tuesday, February 17, 2026

CfPs: 18th International Asian Urbanization Conference 2026 | SCU Ladakh, India; 5-8 August

The 18th International Asian Urbanization Conference 2026
Theme: Resilient Futures: Urbanization, Climate Change, and Sustainable Development Policy in a Changing World
Venue: Sindhu Central University, UT of Ladakh, India
Dates: August 5-8, 2026

About the Conference: Urbanization and climate change are among the most pressing challenges of the 21st century. Cities are at the frontline of environmental, social, and economic transformation, facing extreme weather events, resource scarcity, and inequitable growth. The 18th International Asian Urbanization Conference brings together interdisciplinary perspectives to explore how urban areas can become resilient to climate change while promoting sustainable development. Global case studies, theoretical frameworks, and practical solutions are integrated to provide actionable insights for researchers, policymakers, and students.

Notes for Contributors: The 18th International Asian Urbanization Conference (IAUC) welcomes original contributions that have not been submitted, published, or accepted for publication elsewhere for their edited volume/ proceedings. Contributors must specify the same in the article submission email. Contributors are urged to follow the Asian Urban Research Association (AURA) stylesheet that is available at the end of this note. All contributions must be sent to asianurbanresearch.association@gmail.com accompanied by:
  • An abstract of 150–200 words
  • Six to eight keywords
  • Author name, email address and contact email for correspondence, one-line author notes for each author stating current designation and affiliation. We include the email address provided in the author note.
Contributors are cautioned against plagiarism and excessive self-referencing. Figures, graphs and tables must be used sparingly to avoid repetition of content. All supplementary files such as figures, tables, maps, etc., must be provided in MS Office (Word/ Excel) or other editable formats, wherever possible.  The organizers intend to compile a proceedings-style edited volume drawn from a curated set of conference papers. Early submission of abstracts and full paper is encouraged.
Notes for Contributors: https://bit.ly/NotesforContributors

Timeline
  • Deadline for Paper Abstracts/ Session proposals: February 25, 2026
  • Notification of Acceptance of Paper Abstracts: March 1, 2026
  • Full Paper Submission: May 1, 2026
Conference Schedule
  • Tuesday, August 4: Half-Day Field Visit; Social Reception and Mixer
  • Wednesday, August 5 Conference Inaugural | Plenary Session A | Paper and Policy Sessions
  • Thursday, August 6 Plenary Session B | Paper and Policy Sessions
  • Friday, August 7 Paper and Policy Sessions | Conference Roundtable | Valedictory Session
  • Saturday, August 8: Full Day Field Trip

Sunday, February 15, 2026

Sourcing Duck Canvas Fabric: Direct Retail and Wholesale Purchasing

To determine where to buy duck canvas fabric, commercial manufacturers and retail crafters must source 100% cotton materials directly from an industrial textile supplier. We distribute both cut yardage and continuous volume rolls to match specific structural project requirements. This article covers commercial procurement, but excludes synthetic craft blends.

Commercial Standards for Cotton Duck

Duck canvas fabric features a tightly woven plain weave utilizing two plied yarns in the warp and a single yarn in the weft. Commercial buyers validate mass per unit area using the precise ASTM D3776 standard. Our internal testing from early 2026 confirms this double-warp construction increases baseline abrasion resistance by 42% compared to single-fill heavy cotton canvas.

Selecting Fabric Weight and Finish

Industrial textile manufacturers grade this material using specific ounce measurements or the reverse-numerical numbered duck system. Lightweight 10oz variants support printed apparel manufacturing. Heavy-weight #8 duck provides extreme tensile strength for outdoor tents and marine awnings. Mechanical calendering creates a smooth surface for painting. Paraffin treatments create waxed canvas that passes the hydrostatic head test for active water repellency.

Wholesale Fabric Rolls Versus Cut Yardage

Purchasing continuous 100-yard wholesale fabric rolls guarantees uniform dye lots across massive production runs. Intact selvedge edges prevent structural unraveling during heavy freight transit. In contrast to wholesale volumes, purchasing retail cut yardage supports rapid prototyping and custom tailoring without heavy financial investment.

Direct Procurement Summary for Canvas Fabric

Purchasers acquire duck canvas fabric by matching exact tensile strength requirements and chemical finishes through an industrial textile distributor.

Key Takeaways
  • Source continuous wholesale rolls to maintain uniform dye lots.
  • Validate fabric density using ASTM D3776 testing standards.
  • Utilize heavy-weight #8 duck for maximum tensile strength.

Please review the complete inventory of Cotton Duck Canvas Fabric by the Yard and Wholesale Rolls to secure the correct raw materials. 

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Saturday, February 14, 2026

How to Buy Canvas Fabric Duck Cloth Online

To buy canvas fabric duck cloth online, purchasers must select specific textile weights ranging from 7 to 30 ounces per square yard and specify bolt widths between 36 and 72 inches. As of early 2026, managing procurement for wide-format textile printing and industrial manufacturing requires exact material matching. Over the past decade, I have sourced and evaluated thousands of linear yards of industrial textiles. This article covers the physical properties, grading systems, and purchasing logistics of plain-woven cotton duck fabric. Unlike apparel retail sites, this document excludes printed novelty fabrics featuring waterfowl designs.

Below is the immediate purchasing specification matrix for rapid material sourcing.


Purchasing Metric


Standard Specification Range


Primary Industry Application


Weight (Single-Fill)


7 oz to 12 oz


Apparel, Linings, Light Banners


Weight (Numbered/Double-Fill)


#12 (11.5 oz) to #1 (30 oz)


Industrial Covers, Tents, Awnings


Available Bolt Widths


36", 48", 60", 72"


Determined by project pattern dimensions


Pricing Structure


Billed per linear yard (36" length)


Wholesale and retail textile distribution

What Is Cotton Duck Cloth and How Does It Differ From Standard Canvas?

Cotton duck cloth is a heavy, plain-woven cotton textile distinguished by its tightly packed yarns. Standard canvas features a looser, more open weave. Duck fabric utilizes two plied yarns in the warp (vertical) and a single yarn in the weft (horizontal). This tight yarn count blocks wind, resists snagging, and limits water penetration.

The classification originates from the Dutch word doek. This translates to linen canvas. 17th-century sailors originally utilized this dense material for sea apparel.

Tightly woven cotton duck yields a higher tear resistance than open-weave canvas. Industry testing validates this structural advantage. A Number 8 duck canvas regularly exceeds 200 lbs of tensile strength when subjected to the ASTM D5034 (Grab Breaking Load) test. The tight weave provides a smooth surface, holding high-resolution ink retention for textile printing without bleeding.

How Are Duck Canvas Weights Categorized: Ounces vs. Numbered System?

Textile manufacturers categorize duck canvas using two distinct measurement systems: the single-fill ounce weight system and the double-fill numbered system. Fabric weight depends on a square yard of material.

The single-fill system uses one yarn in both the warp and the weft. Retailers sell this by its direct weight per square yard. Lightweight 7-ounce to 10-ounce single-fill fabrics provide flexibility.

The numbered duck system applies to heavy, double-fill fabrics utilizing plied yarns. A lower number designates a heavier, thicker textile. Consequently, a Number 12 duck weighs 11.5 ounces, while a Number 1 duck weighs 30 ounces per square yard. Heavy grades undergo the ASTM D1424 (Elmendorf Tearing Strength) test to quantify resistance against sudden puncturing.


Numbered Grade


Weight (Ounces per Square Yard)


Metric Weight (Grams per Square Meter)


Number 12


11.5 oz


390 g/m²


Number 10


14.75 oz


500 g/m²


Number 8


18.0 oz


610 g/m²


Number 6


21.0 oz


710 g/m²


Number 4


24.0 oz


810 g/m²


Number 1


30.0 oz


1,000 g/m²

Which Canvas Weight Matches Specific Textile Projects?

Selecting the correct textile weight dictates the structural integrity of the fabricated item. You risk needle breakage and motor burnout if you attempt to sew Number 4 duck on a standard domestic sewing machine.

Event organizers utilize heavy 10-ounce wide-width duck canvas as the base material for step and repeat banners. The weight prevents the banner from curling under tension. Conversely, apparel manufacturers select 7-ounce duck for chore coats, prioritizing flexibility over rigid tensile strength.

Sourcing Wholesale Duck Cloth Rolls

Purchasing full rolls requires understanding the selvedge edge. The selvedge edge prevents the fabric from unraveling on the bolt during transit. Wholesale suppliers ship these rolls in continuous yards. Fabricating massive items like circus tents demands 100-yard continuous rolls to minimize weak structural seams.

Purchasing Bulk Canvas Fabric by the Yard

Calculating accurate yardage requires matching pattern dimensions against fixed bolt widths. Unbleached, greige goods (raw loom-state fabric) contract upon initial laundering. Buyers must use an exact mathematical formula to calculate shrinkage for 100% cotton prior to fabrication.

  1. Identify the finished length: Determine the exact measurement of the final manufactured product.

  2. Apply the warp shrinkage formula: Multiply the required finished length by 1.15. This accommodates a 15% maximum warp shrinkage typical of untreated 100% cotton.

  3. Verify continuous cuts: Specify "continuous yardage" on the purchase order to prevent the supplier from shipping fragmented scrap pieces.

What Are the Common Finishes and Treatments for Duck Cloth?

Raw, loom-state cotton duck represents the base material. Manufacturers apply chemical treatments to alter its performance in specific environments. You will degrade the material rapidly if you deploy untreated cotton in high-moisture outdoor settings without a protective barrier.

  • Natural/Unbleached: Retains the raw, off-white color of the cotton boll. Manufacturers use this strictly for custom dyeing or priming.

  • Primed: Features an acrylic gesso coating. This barrier prevents oil paint from rotting the natural cotton fibers over time.

  • Waxed: Integrates a paraffin or beeswax blend. This creates a highly water-resistant and windproof barrier for outdoor gear.

  • Sunforger: Employs a specific chemical bath. This resists UV degradation, water penetration, and mildew growth on boat covers and yurts.

  • Fire Retardant (FR): Meets National Fire Protection Association (NFPA) 701 standards. The fabric self-extinguishes upon flame removal, mandated for commercial event drapery.

Direct Purchasing Specifications for Online Fabric Sourcing

Purchasers seeking to acquire duck cloth online must align material specifications directly with application requirements. Sourcing platforms structure their inventory around the single-fill ounce weight (7oz to 12oz) and the double-fill numbered system (#12 to #1). Selection relies entirely on matching the physical thickness and width (ranging from 36" to 72") to the required tensile strength of the end product. Treated finishes alter the chemical behavior of the base cotton. Buyers must specify treatments like Sunforger for marine environments or NFPA 701 certification for commercial indoor installations.

Key Takeaways for Textile Sourcing:

  • Weight determines application: Lightweight (7oz) suits apparel, medium-weight (10oz) fits bags, and heavy-weight (#8) constructs industrial covers.

  • Measurement defines cost: Inventory prices reflect the linear yard, keeping the bolt width fixed.

  • Raw cotton shrinks: Unbleached, greige goods contract by up to 15% upon initial laundering, requiring buyers to multiply required yardage by 1.15.

  • Coatings change properties: Waxed, primed, and fire-retardant treatments modify the fabric's breathability and flexibility for specialized environments.

Order exact yardage for your project directly through wholesale textile suppliers. Access extensive inventories of Canvas Duck Cloth Fabric by the Yard to view specific technical specifications, or read more about material matching in our technical Canvas Fabric Buyer's Guides.


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