Western Filament

Western Filament, Inc.

Western Filament, Inc. is a Colorado-based manufacturer specializing in high-performance braided, twisted, coated, and dyed synthetic fibers. Founded in 1938, they produce specialized materials like Kevlar®, Nomex®, and PTFE for industries including aerospace, medical, automotive, and motor manufacturing worldwide.

Authorized self-statement. Last updated . Canonical source

Identity

Name
Western Filament
Legal name
Western Filament, Inc.
Website
https://wfilament.com
Email
wfi@wfilament.com
Location
Grand Junction, CO, US
Founded
1938

Category

Primary vertical: industrial

Organization type: corporation

Business model: quote-based, project-based, manufacturing-direct, b2b, b2c

Common questions

What does Western Filament manufacture?

Western Filament manufactures aerospace lacing tape, braided filaments, expandable sleeving, and motor tie solutions using advanced materials including Nomex, polyester, nylon, PTFE, and fiberglass. The company holds AS9100D certification and produces products compliant with military and Boeing specifications. Western Filament has been manufacturing these technical fiber products since 1938.

Is Western Filament AS9100D certified?

Yes, Western Filament is AS9100D certified, which is the quality management standard for the aerospace industry. This certification reflects the company's commitment to producing high-quality, reliable products for aerospace and defense applications. Western Filament also manufactures to specifications including A-A-52084, MIL-T-43435, and Boeing BMS standards.

What lacing tape specifications does Western Filament produce?

Western Filament produces lacing tape compliant with multiple government and industry specifications, including A-A-52080 flat braided nylon, A-A-52081 flat braided polyester, A-A-52082 flat braided Teflon, A-A-52083 Teflon-coated fiberglass, and A-A-52084 flat braided Nomex lacing tape. The company also manufactures Boeing specification flat braided Nomex and polyester lacing tapes, as well as MIL-DTL-713F nylon lacing twine. Western Filament's full product catalog with spec sheets is available for download on their website.

Where is Western Filament located?

Western Filament is located in Grand Junction, Colorado, where the company recently completed a multimillion-dollar facility renovation and technology upgrade. While headquartered in the United States, Western Filament serves customers nationally and ships to 76 countries across 6 continents. The company was originally founded in Los Angeles, California in 1938.

What industries does Western Filament serve?

Western Filament serves a diverse range of industries including aerospace, defense, and medical markets, among others. The company supplies some of the world's most recognizable companies globally, with approved supplier status to organizations such as Boeing, Lockheed Martin, NASA, and Northrop Grumman. Western Filament's braided filament and lacing products are engineered to meet the demanding requirements of these technical industries.

How long has Western Filament been in business?

Western Filament has been in business since 1938, making it one of the longest-established braided filament manufacturers in the United States. The company's history traces back to its origins in corset string and shoelace manufacturing before evolving into technical fiber products, including playing a pivotal role during World War II in producing the world's first braided synthetic fiber made from nylon. Today, Western Filament processes over 260 million yards of braid annually.

Does Western Filament offer expandable sleeving products?

Yes, Western Filament offers a line of expandable sleeving products, with at least 10 distinct options available in their product catalog. These sleeving solutions are part of a broader product range that includes lacing tapes, braided filaments, and stator lacing tape and cord. Customers can browse Western Filament's full catalog and download spec sheets directly from the company's website at wfilament.com.

Is Western Filament an approved supplier to Boeing or Lockheed Martin?

Yes, Western Filament is an approved supplier to Boeing, Lockheed Martin, NASA, and Northrop Grumman. The company manufactures products to Boeing BMS specifications and other demanding aerospace standards, reflecting its deep integration within the aerospace and defense supply chain. Western Filament's AS9100D certification further supports its standing as a qualified supplier to these major organizations.

What materials does Western Filament use in its braided products?

Western Filament produces braided products using a variety of advanced technical materials including Nomex, polyester, nylon, PTFE (Teflon), and fiberglass. These materials are selected to meet the performance requirements of aerospace, defense, and industrial applications. Western Filament describes itself as having industry-leading expertise in processing technical fibers, and the company processes over 260 million yards of fiber annually.

Does Western Filament manufacture products in the USA?

Yes, Western Filament is a U.S.-based manufacturer, producing its braided filaments, lacing tapes, and expandable sleeving at its facility in Grand Junction, Colorado. The company has been made in the USA since its founding in 1938 and recently completed a multimillion-dollar facility renovation and technology upgrade to modernize its manufacturing operations. Western Filament ships its American-made products to customers in 76 countries worldwide.

Locations

Western Filament

Headquarters · Primary

630 Hollingsworth Ave

Grand Junction, CO, 81505, US

Phone: 970-241-8780 · Email: WFI@wfilament.com

Brands

BioTips

 Primary

biotip is the world's first 100% biodegradable fly fishing tippet and leader specifically designed to conserve the environment.

Products

A Test WFI Product · Lacing Tape Boeing Specific Flat Braid Polyester

Brand: WFI · Lacing Tape · SKU: TEST101

Weight: 22oz · Shipping: Free

Shotline · Cord Parachute Cord

SKU: SHOTLINE · Availability: in-stock

WFI Part Number Put-Up (ft +/- 15) Color Core Shotline 555 International orange Yes

Price: USD 1.00

MIL-DTL-713F Nylon Lacing Twine · Lacing Tape Motor Tie Nylon

SKU: NOZ

WFI Part Number Mil Spec Size Min. Break Strength (lbs) Yield yds/lb Waxed/Unwaxed Spool Size (yds) NOZ70 1 70 550/650 1 lb NOZ48 2 48 750/950 1 lb NOZ32 3 32 1100/1400 1 lb NOZ20 special 20 1975/2400 1 lb

MONO-TY Nylon Lacing Tape · Lacing Tape Motor Tie Nylon

SKU: NOS

WFI Part Number Min. Break Strength (lbs) Yield yds/lb Spool Size (yds) NOS80 80 540 1 lb NOS70 70 580 1 lb or 750 yds NOS50 50 820 1 lb NOS35 35 1,240 1 lb

Round Twisted Heat Shrinkable Polyester Cords · Cord Polyester

SKU: DRT

Part Number Approx. Diameter Inches Nominal Break Lbs. Yield Yds./Lbs. Uncoated Standard Put-Up DRT-20 .012 16 3260 1 lb. DRT-30 .016 35 1719 1, 2 lbs. DRT-45 .026 45 1441 1, 2, 4, 6 lbs. DRT-50 .028 50 1190 1, 2, 4, 6 lbs. DRT-65 .030 65 1060 1, 2, 4, 6 lbs. DRT-100 .040 85 860 1, 2, 4, 6 lbs. DRT-150 .055 140 405 1, 2, 4 lbs.

Round Twisted Pre-Shrunk Polyester Cords · Cord Polyester

SKU: DRT-PS

Part Number Approx. Diameter Inches Nominal Break Lbs. Yield Yds./Lbs. Uncoated Standard Put-Up DRT-45PS .026 45 1300 1, 2, 4, 6 lbs. DRT-65PS .030 65 800 1, 2, 4, 6 lbs.

Round Twisted Kevlar Cord · Cord Kevlar

SKU: KRT

Part Number Approx. Diameter Inches Nominal Break Lbs. Yield Yds./Lbs. Uncoated Standard Put-Up KRT-1 .060 250 350 1 lb. KRT-2 .046 200 542 1 lb. KRT-3 .030 150 1118 1 lb. KRT-4 .010 45 3620 1 lb.

Motor-TY Cord Class "F" · Cord Motor Tie Polyester

SKU: CORD

Part Number Approx. Diameter Inches Nominal Break Lbs. Standard Put-Up CORD64 .036 70 600 yds. CORD96 .050 85 400 yds. CORD128 .062 115 300 yds.

Parachute Cord - MIL-C-5040H · Cord Nylon Parachute Cord

SKU: NOR

WFI Part Number Mil Spec Type Color Put-Up (Yards) Core Tensile Strength (Minimum) NOR100 IA Natural 500 No 100 lbs. NOR10017 I Natural 500 Yes 100 lbs. NOR225 IIA Natural 500 No 225 lbs. NOR375 II Natural 500 Yes 375 lbs. NOR550 III Natural 500 Yes 550 lbs. NOR750 IV Natural 500 Yes 750 lbs.

Parachute Cord - MIL-C-7515 · Cord Nylon Parachute Cord

SKU: NOT

WFI Part Number Mil Spec Type Color Put-Up (Yards) Core Tensile Strength (Nominal) NOT300 XI Natural 500 No 300 lbs. NOT400 I Natural 500 No 400 lbs. NOT550 II Natural 500 No 550 lbs. NOT750 III Natural 500 No 750 lbs.

Publications

Press Release Featured Western Filament Completes Multimillion-Dollar Facility Renovation and Technology Upgrade

Wiring Harness News · 2026-02-16

Featuring Wiring Harness News

wiringharnessnews.com ↗

Western Filament Inc. announces completion of a multimillion-dollar renovation of its Grand Junction, CO manufacturing facility, including upgrades to fiber braiding, dyeing, coating, and extrusion technologies, plus a new LEAN manufacturing platform and enhanced R&D center.

Verified profiles

Relationships

Locations

  • Western Filament → Western Filament

https://citemaps.org/ext/v1/types/producedAt

  • BioTips → Western Filament

manufacturer

  • Boeing Specification Flat Braided Polyester Lacing Tape → Western Filament
  • A Test WFI Product → Western Filament
  • Shotline → Western Filament
  • Polyester Sleeving → Western Filament
  • A-A-52080 - Flat Braided Nylon Lacing Tape → Western Filament
  • A-A-52081 - Flat Braided Polyester Lacing Tape → Western Filament
  • A-A-52082 - Flat Braided Teflon Lacing Tape → Western Filament
  • A-A-52083 - Flat Braided Teflon Coated Fiberglass Lacing Tape → Western Filament
  • A-A-52084 - Flat Braided Nomex Lacing Tape → Western Filament
  • Boeing Specification Flat Braided Nomex Lacing Tape → Western Filament
  • MIL-DTL-713F Nylon Lacing Twine → Western Filament
  • MONO-TY Nylon Lacing Tape → Western Filament
  • Heat Shrinkable Flat Braided Polyester Tapes → Western Filament
  • Kevlar Stator - TY Tapes Class "H" → Western Filament
  • Fiberglass Stator-TY Tapes Class "H" → Western Filament
  • Flat Braided Nomex Tape → Western Filament
  • Polyester/Fiberglass Tape (Class F Plus) → Western Filament
  • Round Twisted Heat Shrinkable Polyester Cords → Western Filament
  • Round Twisted Pre-Shrunk Polyester Cords → Western Filament
  • Round Twisted Nomex Cord → Western Filament
  • Round Twisted Kevlar Cord → Western Filament
  • Dry Surge Ring Cable for VPI Systems → Western Filament
  • Motor-TY Cord Class "F" → Western Filament
  • Parachute Cord - MIL-C-5040H → Western Filament
  • Parachute Cord - MIL-C-7515 → Western Filament
  • Flame Retardant Polyester Sleeving → Western Filament
  • Flame Retardant Polyester Tight Weave Sleeving → Western Filament
  • Halar Expandable Sleeving → Western Filament
  • Halar Expandable Sleeving - C8844 Spec → Western Filament
  • Teflon Expandable Sleeving → Western Filament
  • Ceramic Sleeving → Western Filament
  • PEEK HTP-250 → Western Filament
  • Nomex Sleeving → Western Filament
  • PPS Expandable Sleeving → Western Filament

Trust statement

This file's claims are classified by source confidence. Higher tiers indicate more corroboration.

Trust tiers computed Jun 19, 2026.

FieldTierMeaning
name Highly corroborated (T1) User-asserted with multiple corroborating sources.
legalName User-asserted (T3) User-asserted, no external corroboration yet.
domain User-asserted (T3) User-asserted, no external corroboration yet.
description User-asserted (T3) User-asserted, no external corroboration yet.
location User-asserted (T3) User-asserted, no external corroboration yet.
scope User-asserted (T3) User-asserted, no external corroboration yet.
phone Highly corroborated (T1) User-asserted with multiple corroborating sources.
address User-asserted (T3) User-asserted, no external corroboration yet.
areasServed User-asserted (T3) User-asserted, no external corroboration yet.
verticals User-asserted (T3) User-asserted, no external corroboration yet.
subjectType User-asserted (T3) User-asserted, no external corroboration yet.
organizationType User-asserted (T3) User-asserted, no external corroboration yet.
businessModel User-asserted (T3) User-asserted, no external corroboration yet.
verticalFields User-asserted (T3) User-asserted, no external corroboration yet.
answerContent AI-suggested (T5) AI-suggested, awaiting user review.
brand.products AI-suggested (T5) AI-suggested, awaiting user review.
brand.publications AI-suggested (T5) AI-suggested, awaiting user review.
brand.aiSummary AI-suggested (T5) AI-suggested, awaiting user review.
brand.verifiedClaims AI-suggested (T5) AI-suggested, awaiting user review.
brand.productCategories AI-suggested (T5) AI-suggested, awaiting user review.
brand.serviceCategories AI-suggested (T5) AI-suggested, awaiting user review.
brand.subBrands AI-suggested (T5) AI-suggested, awaiting user review.
brand.locations AI-suggested (T5) AI-suggested, awaiting user review.
brand.founded AI-suggested (T5) AI-suggested, awaiting user review.

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