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CH-S495U High Temperature Resistant Silicone Rubber
Premium FVMQ Silicone Elastomer for Extreme Temperature Sealing Applications
Manufacturer: Xi'an Chris New Materials Co., Ltd.
Material Type: FVMQ (Fluorosilicone Rubber)
Product Overview
CH-S495U is a high-performance fluorosilicone rubber (FVMQ) material based on a silicone-oxygen molecular backbone structure. It is specifically engineered for demanding sealing applications requiring exceptional heat resistance, low-temperature flexibility, and long-term durability.
The material can operate continuously in environments ranging from -60°C to 250°C, while maintaining excellent mechanical strength and elasticity. It can also withstand short-term exposure to temperatures up to 280°C without significant degradation.
Due to its superior thermal stability and compression set resistance, CH-S495U is widely used in aerospace, petrochemical, compressor, automotive, and electronic industries.
Key Features
Excellent High-Temperature Resistance
Designed for continuous operation at temperatures up to 250°C and short-term exposure up to 280°C.
Outstanding Low-Temperature Performance
Maintains flexibility and sealing performance at temperatures as low as -60°C.
Low Compression Set
Excellent resistance to permanent deformation under prolonged compression and elevated temperatures.
Long-Term Thermal Stability
Retains mechanical properties and elasticity during long-term exposure to harsh thermal environments.
Reliable Sealing Performance
Provides stable sealing performance in dynamic and static sealing applications.
Technical Specifications
Property |
Standard |
Measured Value |
Material Type |
FVMQ |
FVMQ |
Color |
— |
Black |
Hardness (Shore A) |
ASTM D2240 / ISO 7619-1 / GB/T 531.1 |
65 |
Tensile Strength (MPa) |
ASTM D412 / ISO 37 / GB/T 528 |
7.8 |
Elongation at Break (%) |
ASTM D412 / ISO 37 / GB/T 528 |
290 |
Compression Set (%), 48h @ 204°C |
ASTM D395 / ISO 815 / GB/T 7759.1 |
30 |
Minimum Operating Temperature (°C) |
— |
-60 |
Maximum Operating Temperature (°C) |
— |
250 |
Performance Characteristics
Characteristic |
Performance |
High Temperature Resistance |
Excellent |
Low Temperature Resistance |
Excellent |
Compression Set Resistance |
Excellent |
Thermal Aging Resistance |
Excellent |
Mechanical Stability |
Good |
Long-Term Durability |
Excellent |
Operating Temperature Range
· Continuous Service Temperature: -60°C to +250°C
· Short-Term Peak Temperature: Up to 280°C
This broad operating range makes CH-S495U suitable for both extreme cold and high-temperature industrial environments.
Typical Applications
Aerospace Industry
Used for high-temperature seals, O-rings, and gaskets in aircraft and aerospace systems.
Petrochemical Industry
Suitable for sealing applications exposed to elevated temperatures and aggressive industrial environments.
Compressor Industry
Provides reliable sealing performance in high-temperature compressor systems.
Automotive Industry
Used in engine compartments, turbocharger systems, fuel systems, and high-temperature sealing components.
Electronics Industry
Ideal for electrical insulation and sealing applications requiring thermal stability.
Typical Products Manufactured from CH-S495U
· O-Rings
· Gaskets
· Custom Molded Rubber Parts
· Compressor Seals
· Aerospace Sealing Components
· High-Temperature Rubber Gaskets
· Automotive Sealing Systems
· Electronic Equipment Seals
Advantages of CH-S495U FVMQ Material
Compared with Standard Silicone Rubber
· Higher temperature resistance
· Better compression set performance
· Improved long-term durability
· Enhanced sealing reliability
Compared with Conventional Elastomers
· Wider operating temperature range
· Superior thermal aging resistance
· Better flexibility at low temperatures
· Longer service life in harsh environments
FAQ
What is CH-S495U?
CH-S495U is a high-temperature resistant fluorosilicone rubber (FVMQ) material designed for demanding sealing applications requiring excellent thermal stability and durability.
What temperature range can CH-S495U withstand?
The material can operate continuously from -60°C to 250°C and withstand short-term temperatures up to 280°C.
What is the hardness of CH-S495U?
The standard hardness is 65 Shore A.
What industries commonly use CH-S495U?
CH-S495U is widely used in aerospace, petrochemical processing, compressor manufacturing, automotive systems, and electronics industries.
Does CH-S495U have good compression set resistance?
Yes. The material exhibits excellent compression set performance, with a compression set value of only 30% after 48 hours at 204°C.
Can CH-S495U be used for custom molded seals?
Yes. It is suitable for manufacturing custom O-rings, gaskets, molded components, and other specialized sealing products.
Why Choose Xi'an Chris New Materials Co., Ltd.?
· Specialized in high-performance sealing materials
· Advanced silicone and fluorosilicone compound development
· Custom formulation capabilities
· Aerospace and industrial-grade quality standards
· OEM and customized sealing solutions
· Technical engineering support
· Global supply capability
Request Technical Consultation
Need assistance selecting the right sealing material for high-temperature applications?
Our engineering team can provide:
· Material selection support
· Custom compound development
· Seal design recommendations
· Prototype manufacturing
· OEM production services
Contact Xi'an Chris New Materials Co., Ltd.
Send Inquiry to This Supplier
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