Your sourcing specialist
Since 1983
SERVICE
Make us your one stop shop for electronic
components and value-added services
DISTRIBUTION
RSI is a global distributor, supplying local industries and global markets
LAND BASED DRILLING
RSI supplying to local industries
and global markets
GLOBAL DISTRIBUTOR
RSI, building creditability & trust for
30+ years!
QUALITY
RSI is a global distributor, supplying local industries and global markets
MASS TRANSIT
Western Filament, Inc. - Expandable Sleeving
Western Filament’s Expandable Sleeving is a lightweight, self-fitting sleeving designed to protect and restrain wires, wire bundles, cables, hoses and flat or ribbon cable assemblies. Called “Chinese finger material” by some, expandable sleeving is flexible and self-fitting and adjusts to irregular surfaces and contours.
With uses in the electronic, electrical, automotive, aviation, aerospace, industrial, telecommunication and motor industries, Western Filament’s expandable sleeving is the perfect product to increase abrasion-resistance and protect against cuts, impacts and snagging.
Western Filament, founded in 1938 and manufacturing from our centrally-located Colorado facility, has become the lowest-cost expandable sleeving producer in the world. Whether your product is one of our 13 different stocked sleevings manufactured from polyester, Halar, Nomex, Kevlar, Fiberglass, Nextel, PFA or Ryton, or a special sleeving manufactured to your specifications, Western Filament can deliver a top quality product on time and under budget. Call our factory today to place an order or get answers to your technical questions.
When you are looking for quality, delivery, technical expertise and a truly competitive price, remember Western Filament, the low-cost provider.
ELECTRO-MECHANICAL
DISTRIBUTION
since 1983
NIST
800-171
RSI, Inc.
An authorized distributor of electro-mechanical parts and services to global industries and markets such as; (DOD) Department of Defense, Energy Markets, Commercial Aerospace, Industrial Markets, and Transportation Industries. Contact Us
Overview
RSI, Inc.
Contact us
Inventory Search
WHO WE ARE
WHAT WE DO
LOCATIONS
Features
Certifications
CRI Rugged
Products
Specifications
Questions? We can help
Polyester - OVERVIEW +
Polyester Expandable Sleeving (Type P) PT/PT
The most cost-effective and widely used material. Good chemical and abrasion resistance. Many general manufacturing, automotive, telecommunication, industrial and electronic uses.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
PT0125 | 1/8 | 3/321/4 | 1,000 |
PT0250 | 1/4 | 1/81/2 | 1,000 |
PT0313 | 5/16 | 1/45/16 | 1,000 |
PT0375 | 3/8 | 1/45/8 | 500 |
PT0500 | 1/2 | 1/43/4 | 500 |
PT0750 | 3/4 | 1/21 1/4 | 500 |
PT1000 | 1 | 3/41 1/2 | 250 |
PT1250 | 1 1/4 | 3/41 3/4 | 250 |
PT1500 | 1 1/2 | 12 1/2 | 250 |
PT1750 | 1 3/4 | 1 1/42 1/2 | 200 |
PT2000 | 2 | 1 1/23 | 100 |
PT2500 | 2 1/2 | 1 3/43/12 | 100 |
Flame Retardant Polyester - OVERVIEW +
Flame Retardant Expandable Sleeving (Type FR) FR/FR
Self-extinguishing, with good chemical and abrasion resistance. Aviation, automotive, electrical and space applications.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
FR0125 | 1/8 | 3/32 – 1/4 | 1,000 |
FR0250 | 1/4 | 1/8 – 1/2 | 1,000 |
FR0375 | 3/8 | 1/4 – 5/8 | 500 |
FR0500 | 1/2 | 1/4 – 3/4 | 500 |
FR0750 | 3/4 | 1/2 – 1 1/4 | 500 |
FR1250 | 1 1/4 | 3/4 – 1 3/4 | 250 |
FR1500 | 1 1/2 | 1 1/4 – 2 1/2 | 250 |
FR1750 | 1 3/4 | 1 1/2 – 2 1/2 | 250 |
FR2000 | 2 | 1 1/2 – 3 | 100 |
FR2500 | 2 1/2 | 2 – 3 1/2 | 100 |
Flame Retardant Tight Weave Polyester - OVERVIEW +
Flame Retardant Tight Weave Expandable Sleeving (Type FRTW) FR/TW
The same qualities of polyester tight weave with the added increase in density and coverage. Recommend use where self-extinguishing snag-resistance coverage and protection are critical.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
FRTW0125 | 1/8 | 1/8 – 13/64 | 1,000 |
FRTW0250 | 1/4 | 1/4 – 3/8 | 1,000 |
FRTW0313 | 5/16 | 1/4 – 1/2 | 500 |
FRTW0500 | 1/2 | 1/2 – 5/8 | 500 |
FRTW0562 | 9/16 | 1/2 – 3/4 | 500 |
FRTW0750 | 3/4 | 3/4 – 1 | 500 |
FRTW1000 | 1 | 3/4 – 1 1/4 | 250 |
FRTW1250 | 1 1/4 | 1 1/4 – 1 5/8 | 250 |
FRTW1500 | 1 1/2 | 1 1/2 – 1 7/8 | 250 |
FRTW1750 | 1 3/4 | 1 3/4 – 2 3/8 | 250 |
Halar - OVERVIEW +
Halar® Expandable Sleeving (Type H) HR/HR
Excellent chemical and abrasion resistance, withstands use with harsh chemicals, higher temperatures and more difficult mechanical environments. Aviation, automotive, space and telecommunications applications.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
HR0125 | 1/8 | 3/32 – 1/4 | 1,000 |
HR0250 | 1/4 | 1/8 – 1/2 | 1,000 |
HR0500 | 1/2 | 1/4 – 3/4 | 500 |
HR0750 | 3/4 | 1/2 – 1 1/4 | 500 |
HR1250 | 1 1/4 | 3/4 – 1 3/4 | 250 |
HR1750 | 1 3/4 | 1 1/4 – 2 1/2 | 200 |
Halar C8844 - OVERVIEW +
Halar® Expandable Sleeving (Type H) HR/HR
Excellent chemical and abrasion resistance, withstands harsh chemicals, higher temperatures and challenging mechanical environments. Manufactured specifically without a tracer in Black to the Lockheed Specification.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
HR0250BKNT | 1/4 | 1/8 – 3/8 | 1,000 |
HR0500BKNT | 1/2 | 1/4 – 3/4 | 500 |
HR0625BKNT | 5/8 | 1/2 – 7/8 | 500 |
HR0750BKNT | 3/4 | 1/2 – 1 1/4 | 500 |
HR0875BKNT | 7/8 | 5/8 – 1 1/2 | 250 |
PEEK HTP-250 - OVERVIEW +
PEEK® HTP-250 Expandable Sleeving (Type PK) PEEK/HTP-250
Lightweight replacement for PFA sleeving. Self-extinguishing and low out-gassing, which makes it a perfect choice for critical aviation, space and industrial applications.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
PK0125 | 1/8 | 1/8 – 1/4 | 1,000 |
PK0250 | 1/4 | 1/4 – 1/2 | 1,000 |
PK0375 | 3/8 | 3/8 – 5/8 | 500 |
PK0500 | 1/2 | 1/2 – 7/8 | 500 |
PK0750 | 3/4 | 1/2 – 7/8 | 500 |
PK1000 | 1 | 3/4 – 1 1/4 | 250 |
PK1250 | 1 1/4 | 3/4 – 1 1/2 | 250 |
PK1750 | 1 3/4 | 1 1/2 – 2 1/2 | 250 |
PK2000 | 2 | 1 1/2 – 2 1/2 | 100 |
PK2500 | 2 1/2 | 23 | 100 |
PPS - OVERVIEW +
PPS Expandable Sleeving (Type PPS)
Exceptional chemical and temperature resistance. Ideal for uses in automotive, industrial, aviation and space, to protect hoses, wire bundles and cable assemblies.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
PPS0125 | 1/8 | 1/8 – 3/16 | 1,000 |
PPS0250 | 1/4 | 3/16 – 1/2 | 1,000 |
PPS0375 | 3/8 | 1/4 – 5/8 | 500 |
PPS500 | 1/2 | 3/8 – 3/4 | 500 |
PPS0750 | 3/4 | 5/8 – 7/8 | 500 |
PPS1250 | 1 1/4 | 1 – 1 1/2 | 250 |
PPS1750 | 1 3/4 | 1 1/4 – 2 | 250 |
PFA Fluoro-Flex 500 - OVERVIEW +
PFA Fluoro-Flex 500 Expandable Sleeving (Type TF)
Excellent abrasion and fluid resistance. Ideal for uses in aeronautical, space, electronic, marine, automotive and industrial applications.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
TF0125 | 1/8 | 1/8 – 13/64 | 1,000 |
TF0250 | 1/4 | 1/4 – 5/16 | 1,000 |
TF0375 | 3/8 | 3/8 – 5/8 | 500 |
TF0500 | 1/2 | 1/2 – 3/4 | 500 |
TF0750 | 3/4 | 3/4 – 1 | 500 |
TF1000 | 1 | 1 – 1 1/4 | 250 |
TF1250 | 1 1/4 | 1 1/4 – 1 1/2 | 250 |
TF1750 | 1 3/4 | 250 | |
TF2000 | 2 | 250 |
Nomex - OVERVIEW +
Nomex® Expandable Sleeving
High-strength, solvent and abrasion resistance. Works well at elevated temperatures. Ideal for aerospace and aviation applications.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
NS0125 | 1/8 | 500 | |
NS0250 | 1/4 | 500 | |
NS0350** | 11/32 | 500 | |
NS0375 | 3/8 | 500 | |
NS0500 | 1/2 | 250 | |
NS0625 | 5/8 | 250 | |
NS0650** | 11/16 | 250 | |
NS0750 | 3/4 | 250 | |
NS1000 | 1 | 100 | |
NS1250 | 1 1/4 | 100 | |
NS1500 | 1 1/2 | 100 |
Nextel Ceramic - OVERVIEW +
Nextel® Ceramic Expandable Sleeving
Excellent temperature, abrasion and fluid resistance. Ideal for aerospace, automotive, aviation and
electrical applications.
WFI Part Number | Nominal (inches) | Size Range (inches) | PutUp (feet) |
C0125 | 1/8 | 200 | |
C0250 | 1/4 | 200 | |
C0375 | 3/8 | 200 | |
C0500 | 1/2 | 100 | |
C625 | 5/8 | 100 | |
C0750 | 3/4 | 100 |