Name: High-Temperature Resistant Synthetic Leather | WINIW
Brand: WINIW
SKU: 267036279

Description

Technical Parameters

What is High-Temperature Resistant Synthetic Leather?

WINIW manufactures specialized high-temperature resistant synthetic leather engineered to prevent polymer softening, dimensional shrinkage, and thermal-oxidative peeling under prolonged exposure to intense heat. While standard synthetic leathers quickly degrade, release toxic volatile organic compounds (VOCs), and become sticky when temperatures exceed 70°C, our heat-resistant substrates are chemically stabilized to maintain complete mechanical and visual integrity under continuous service temperatures of up to 120°C, with transient peak durability reaching 150°C.

Importantly, industrial buyers must distinguish between fire retardancy (preventing flame ignition) and heat resistance (resisting chemical and mechanical degradation from ambient heat). Our heat-resistant roll goods are custom-engineered for automotive dashboards, safety footwear for high-heat environments, and protective industrial machinery covers directly from our China factory.

Technical Specifications & Heat Resistance Testing Standards

To pass strict automotive audits and heavy-industrial safety compliance, our high-temperature resistant synthetic substrates are subjected to accelerated hot-air oven aging (ISO 188) and dimensional stability tests in our certified on-site laboratory:

Thermal & Mechanical Evaluation Metric	Verified Technical Typical Value	Conventional PU / PVC Leather	Calibrated Testing Standard	Sourcing Compliance Status
Continuous Service Temperature	Up to 120°C (240 hours continuous)	Fails above 70°C (Softens/cracks)	ISO 188 Hot-Air Aging	Passed (Class A Heat Rating)
Transient Peak Temperature	Up to 150°C (Short-term thermal load)	Melts instantly (Coating flows)	Factory Thermal Stress Test	Passed (Heavy Duty Industrial)
Dimensional Heat Shrinkage	≤ 1.5% Dimensional Shift (At 100°C)	> 5.0% Shrinkage (Base deforms)	ASTM D1204 / ISO 17130	Certified (High Calibration)
Surface Discoloration Resistance	Gray Scale ≥ Grade 4 (After heat)	Grade 1-2 (Severe yellowing)	ISO 105-B02 (Tested at 90°C)	Passed (Anti-Yellowing UV)
Tensile Strength Retention	≥ 85% Strength Retained (Post-aging)	< 30% Retained (Fiber brittle)	ISO 1421 (After ISO 188 aging)	Passed
Windshield Fogging Behavior	≥ 90% Condensation Reflection	< 50% Reflection (Heavy oily fog)	DIN 75201 Method B (At 100°C)	Certified (Automotive Grade)

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High temperature resistant leather type

WINIW's high temperature resistant leather mainly includes various types to meet the needs of different customers.

PU leather

PVC leather

Silicone leather

Material Structure Selection: High-Heat Polymer Chemistries

Resisting heat-induced structural collapse requires selecting the correct molecular backbones and thermal stabilizers during compounding:

1. Liquid Silicone Rubber LSR Coated Leather
(The Gold Standard)

Silicone leather features an inorganic silicon-oxygen (Si-O) backbone. Possishing a significantly higher bond energy than carbon-carbon chains, this unique molecular structure remains completely stable at continuous temperatures up to 150°C without chemical degradation or outgassing. It maintains a supple hand-feel, resists UV-induced yellowing natively, and is ideal for luxury electric vehicle (EV) seating and high-altitude aviation cabin components.

2. Polycarbonate-Grade Polyurethane Matrices
(Aliphatic Stability)

Standard PU utilizes polyester or polyether polyurethanes that oxidize quickly under thermal loads. WINIW compounds premium heat-resistant PU using aliphatic polycarbonate resins cross-linked with hindered amine light stabilizers (HALS). This advanced formulation prevents thermal-oxidative cleavage, preserving high flex life and avoiding surface tackiness in temperatures up to 110°C, making it highly suitable for safety shoe uppers and premium steering wheels.

3. High-Molecular-Weight PVC Vinyl
(Cost-Effective Thermal Barriers)

Cheap PVC utilizes monomeric plasticizers that volatilize at high temperatures, leaving the material brittle and highly prone to cracking. WINIW PVC is engineered with high-molecular-weight polymeric plasticizers and solid thermal stabilizers. This vinyl matrix prevents chemical migration up to 90°C, ensuring excellent dimensional stability and surface durability for heavy-duty machinery covers and commercial truck seating.

Common applications of heat-resistant synthetic leather

Aerospace

Used to manufacture aircraft seats, interior parts and other components that can withstand extreme environments such as high temperature and high pressure.

Automobile manufacturing

Used in automobile seats, interior decoration and other parts, which can maintain stable shape and performance in high temperature environment, and improve driving comfort and safety.

Electronic instruments

Used to manufacture the casing and internal components of electronic instruments, which can withstand complex environments such as high temperature and electromagnetic interference.

Industrial Manufacturing

Used to manufacture covers and interior parts of various industrial equipment and machines, capable of withstanding harsh conditions such as high temperature and friction.

Application-Specific Heat-Resistance Solutions

We custom-calibrate the thickness, base fibers, and thermal coating additives of our substrates to satisfy three core industrial sectors:

Automotive Instrument Panels & Dashboards: Low-odor, low-VOC aliphatic PU and silicone substrates engineered to survive direct solar heat trapped under modern windshields (where temperatures frequently reach 90°C–105°C). Fully VDA 278 and DIN 75201 compliant to eliminate oily cabin fogging.
High-Heat Safety Shoes & Metallurgy (EN ISO 20345): Heavy-duty 2.0mm microfiber leather uppers designed to protect industrial workers in iron foundries, glass factories, and welding stations. Resists high radiant heat and localized hot sparks without shrinking or melting onto the wearer's foot.
Industrial Pipe & Valve Thermal Covers: Flame-retardant, high-temperature resistant PVC and silicone-coated fabrics designed as structural outer wraps for hot thermal pipelines, protecting sensitive factory equipment from high-temperature exhaust environments.

Engineering behind Thermal Dimension Stabilization

For automated B2B cutting and assembly lines, dimensional shrinkage under heat is a critical production defect. If a material shrinks even 2% during heat-setting or high-temperature lamination, it deforms the finished glove, shoe, or headliner. WINIW eliminates this risk through:

Heat-Set Pre-Shrunk Base Matrix: Prior to coating, our three-dimensional sea-island microfiber base is run through high-tension thermal calendering rollers at 130°C to release all manufacturing fiber tension.
Inorganic Heat-Stable Pigments: Traditional organic dyes fade and shift hue when exposed to hot air. We color our compounds using specialized metal-oxide inorganic pigments that maintain perfect color tone consistency without yellowing or fading.
Caliper Uniformity Control: Under strict automated optical scanners, we maintain overall thickness tolerance within +/-0.05mm, ensuring completely uniform heat transfer and preventing localized overheating during your factory's lamination processes.

Sourcing Policy: MOQ, Lead Time, and Packaging

Minimum Order Quantity (MOQ): Our standard custom manufacturing MOQ for heat-resistant microfiber substrates is 300 linear meters per color and thickness. For standard PU or PVC formulations, the MOQ is 1,000 linear meters per color and thickness. For standard program stocks in black or white, we can dispatch trials starting from 100 linear meters to support your prototyping.
Color Matching Consistency: Lot-to-lot color shading (ΔE) is a critical quality concern for automated assembly lines. Our laboratory utilizes automated gravimetric pigment dispensers and Datacolor spectrophotometers to maintain the overall color difference strictly under ΔE≤0.82 under standard D65 illuminants.
Packaging and Transport: All bulk rolls are packed in dual-layer PE moisture-barrier roll wrapping with heavy-duty woven outer PP bags and labeled with unique traceable batch-code roll IDs linked to our laboratory thermal aging records.

Buyer Sourcing FAQs

Q: Why does a standard "fire-retardant" leather still crack and fail under high temperatures?

A: This is a common B2B misunderstanding. A fire-retardant (FR) material is designed to prevent open flames from propagating (self-extinguishing under FMVSS 302 or BS 5852). However, FR chemistry does not protect the polyurethane polymer chains from slowly oxidizing, yellowing, and losing mechanical strength when subjected to continuous non-flaming heat (e.g., 90°C inside a closed car cabin). Heat-resistance requires distinct thermal-oxidative stabilizers and aliphatic polyols that prevent thermal degradation over thousands of continuous hours.

Q: Can silicone leather be laminated using standard high-frequency (HF) welding?

A: Silicone leather possesses an exceptionally high thermal resistance and a distinct molecular structure compared to polar polymers like PVC. Because of this, it cannot be melted or laminated using standard high-frequency (HF) welding machines designed for PVC. Silicone leather must be sewn, bonded using specialized silicone-compatible adhesives, or thermal-fused at significantly higher temperature ranges. Please consult our technical engineers for matched lamination guides.

Contact Our Engineering Materials Team

Plant Footprint: 100,000 m² total manufacturing area
Annual Output: 2,000,000 meters of high-grade synthetic roll goods
On-Site Lab: Certified thickness gauges, tensile testers, and Bally flex chambers
Direct Inquiry Email: MKT@MicrofiberLeather.com
B2B WhatsApp: +8618150976625
Corporate Address: 3rd Floor, Huixia Building B, Meiling Street, Jinjiang, Quanzhou, Fujian 362200 China