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Flame-Retardant Reinforced Soft Composite Silica Powder for Engineering Plastics

This advanced multifunctional composite additive is specially developed for high-performance engineering plastics. Utilizing nano-coating technology and specialized flame-retardant formulations, it delivers exceptional flame resistance while significantly enhancing mechanical strength and heat resistance of plastic products, making it an ideal alternative to traditional flame retardants.

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Product Description

Product Overview

This advanced multifunctional composite additive is specially developed for high-performance engineering plastics. Utilizing nano-coating technology and specialized flame-retardant formulations, it delivers exceptional flame resistance while significantly enhancing mechanical strength and heat resistance of plastic products, making it an ideal alternative to traditional flame retardants.

Key Features

Superior Flame Retardancy
Enhanced Mechanical Properties: 40% increase in flexural strength, 30% improvement in impact resistance
Excellent Heat Resistance: HDT increased by 20-30ºC
Eco-Friendly: Halogen-free and phosphorus-free formula, compliant with RoHS/REACH
Processing-Friendly: Excellent compatibility with PP, PA, PC and other engineering plastics

Product Advantages

Dual functionality: flame retardancy + reinforcement
Maintains original color and transparency of plastics
Minimizes negative impact on mechanical properties
Improves dimensional stability and surface finish

Typical Applications

Electronics: Connectors, switches, sockets
Automotive: Interior parts, battery housings, wire harness protection
Construction: Fireproof panels, flame-retardant pipes
Appliances: TV/washing machine casings
New Energy: Battery module supports, charging pile components

1, content: Silica content 60%±%

2,grain fineness distribution: D50(0.5μm-50μm) customization

Service Support
✓ Free samples available
✓ Technical application guidance
✓ Custom development services
✓ Stable supply guarantee

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