Kevlar / Aramid Yarn Braided Sleeves

Kevlar / Aramid Sleeves – High-Strength, High-Temperature Protective Sleeving

Kevlar / Aramid Sleeves are high-performance protective sleeves manufactured from DuPont™ Kevlar® aramid yarn, designed for applications requiring exceptional strength, heat resistance, abrasion protection, and dimensional stability. These sleeves are available in braided or twisted constructions, offering excellent flexibility and adaptability to straight or curved components.

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Kevlar / Aramid Sleeves – High-Strength, High-Temperature Protective Sleeving

Kevlar aramid fiber is known for its extremely high tensile strength (5–6 times stronger than steel by weight), high modulus, low elongation, and outstanding thermal stability. The sleeves maintain performance across a wide temperature range and exhibit zero shrinkage at elevated temperatures, making them ideal for continuous high-temperature industrial use. They do not melt or decompose easily and provide long service life even in harsh environments.

Kevlar sleeves expand or contract in diameter based on axial movement, allowing easy installation over cables, hoses, pipes, and rollers. They are widely used for mechanical protection, thermal shielding, anti-cut protection, wear resistance, and high-temperature insulation, especially in demanding industries such as glass manufacturing, aerospace, electrical protection, and industrial processing.

Product Details

Product Name

Kevlar / Aramid Protective Sleeve

Insulation Class

High-Temperature (Inorganic Insulation)

Working Temperature

–30 °C to +500 °C

Material

Kevlar (Aramid) Yarn

Insulation Type

Uncoated Heat Treated Fiberglass Sleeve

Size Range

Available in multiple inner diameters

Color Options

Natural

Typical Applications

Cable & hose protection, rollers, pipelines, expansion joints

End Use Industries

Glass industry, electrical protection, aerospace, industrial equipment

Technical Data – Kevlar / Aramid Sleeves

Item	Technical Parameters	Reference / Remark
Base Material	Kevlar / Aramid Yarn	High-performance aramid fiber
Construction	Braided or twisted sleeve (16 / 32 strand, single or double braid)	Expandable structure
Breaking Strength	1.2 kN – 500 kN	Depending on size & construction
Elongation at Break	≈ 3%	Low elongation
Working Temperature	−30°C to +500°C	Continuous use range
Short-Term Heat Resistance	Up to 560°C (no melting or decomposition)	Thermal stability
Shrinkage at 150°C	0%	Dimensional stability
Diameter Range	6 mm – 80 mm (custom sizes available)	Expandable sleeving
Available Shapes	Round, flat, square, sleeve form	Application dependent
Standard Colours	Yellow (natural), white, black, mixed	Custom on request
Chemical Resistance	Resistant to oils, solvents, acids & alkalis	Excellent corrosion resistance
Mechanical Properties	High strength, high modulus, wear resistance, puncture resistance, cut resistance	Superior to steel by weight
Flame Retardancy	Inherently flame retardant	No melting or dripping
Flexibility & Expansion	Sleeve expands in diameter when compressed and contracts when pulled	Easy installation on straight or curved pipes
Typical Applications	Protection of electrical wires, cables, hoses, pipelines, expansion joints, furnace rollers, sliding rollers, industrial high-temperature protection	Electrical & industrial use