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High-Temperature Resistant Soft Composite Silica Powder Industrial Filler

Specially engineered for extreme thermal environments, our high-temperature resistant soft composite silica powder is an advanced industrial filler that combines exceptional heat resistance with remarkable flexibility. Manufactured through proprietary surface modification and composite technology, this innovative material maintains stable performance under prolonged high-temperature exposure while retaining its elastic properties, making it ideal for demanding industrial applications.

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Product Description

Product Overview

Specially engineered for extreme thermal environments, our high-temperature resistant soft composite silica powder is an advanced industrial filler that combines exceptional heat resistance with remarkable flexibility. Manufactured through proprietary surface modification and composite technology, this innovative material maintains stable performance under prolonged high-temperature exposure while retaining its elastic properties, making it ideal for demanding industrial applications.

Key Features

Extreme Heat Resistance

Withstands continuous service temperatures up to 300°C
Maintains structural integrity during thermal cycling

Retained Flexibility

Compression set <8% after 200h at 250°C
Elastic recovery rate >90% at elevated temperatures

Enhanced Protection

Improves thermal shock resistance of composites
Reduces thermal stress cracking in polymer matrices

Superior Compatibility

Excellent dispersion in silicone, fluoropolymers, and high-temperature resins
Chemically inert in most industrial environments

Certified Performance

UL 94 V-0 flame rating
RoHS & REACH compliant

Why Choose Our Product?

Proven Performance in extreme conditions
Custom Formulations available
Global Technical Support
Consistent Quality with ISO 9001 certification

Industrial Applications

High-Temperature Gaskets & Seals

Engine components
Industrial furnace seals

Electrical Insulation

High-voltage cable compounds
Motor and transformer insulation

Aerospace Components

Thermal protection systems
Engine compartment materials

Industrial Coatings

Exhaust system coatings
Chemical process equipment

Energy Storage Systems

Battery thermal barriers
Fuel cell components

Why Choose Our Product?

Proven Performance in extreme conditions
Custom Formulations available
Global Technical Support
Consistent Quality with ISO 9001 certification

Available Services:

Free sample testing (500g minimum)
Application-specific technical consultation
Custom particle size and surface treatment options

Project	Unit	Typical values
Appearance	/	White powder
Density	kg/m3	2.59×103
Mohs hardness	/	five
Dielectric constant	/	5.0（1MHz）
Dielectric loss	/	0.003（1MHz）
Linear expansion coefficient	1/K	3.8×10-6

Soft composite silicon micro powder can be classified into specifications and matched according to customer requirements based on the following characteristics:

Project	Related indicators	Explain
Chemical Composition	SiO2 content, etc	Having a stable chemical composition to ensure consistent performance
Ion Impurity	Na+, Cl -, etc	Can be as low as 5ppm or below
Particle Size Distribution	D50	D50=0.5-10 µ m optional
Particle Size Distribution	Particle size distribution	Adjustments can be made based on typical distributions as required, including multimodal distributions, narrow distributions, etc
Surface Characteristics	Hydrophobicity, oil absorption value, etc	Different functional treatment agents can be selected according to customer requirements