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wear resistant materials

Technical Parameters

Product classification

Model

The average particle size

Purity

Specific surface area

Bulk density

Crystal form

colour

nanoscale

DK-SiC-001

40nm

99.9

39.8m2 /g

0.11g/cm 3

cube

Gray green

Submicron

DK-SiC-002

500nm

99.9

3.20m2 /g

1.52g/cm 3

cube

Light white

Main features: Nano-silicon carbide and ultra-fine silicon carbide powder are prepared by special process methods, with high purity, small particle size distribution and high specific surface area. Nano-SiC has stable chemical properties, high thermal conductivity (165W/MK) and thermal expansion coefficient. Small, high hardness, Mohs hardness of 9.5, microhardness of 2840~3320kg/mm2 is the first material wear-resistant additive, its hardness is between corundum and diamond, mechanical strength is higher than corundum; nano-silicon carbide has excellent Thermal conductivity, or a semiconductor, can resist oxidation at high temperature; nano-silicon carbide wear-resistant, high temperature resistance, corrosion resistance, acid and alkali resistant solvents, widely used in paints and paints to increase wear resistance.

Application field

1. Modified high-strength nylon material: Nano-SiC powder has good compatibility, good dispersibility and good matrix adhesion in polymer composites. The tensile strength of modified high-strength nylon alloy is more than 150% higher than that of ordinary PA6. The wear resistance is improved by more than 3 times. Mainly used for armored track vehicle polymer parts, automotive steering parts, textile machinery, mining machinery linings, train parts and other sintering at lower temperatures to achieve densification;

2. Modified special engineering plastics Polyetheretherketone (PEEK) wear resistance: Nano-silicon carbide after surface treatment of our company can greatly improve and improve the wear resistance of PEEK when the addition amount is about 5% (improve the original 30% or more);

3. Application of nanometer silicon carbide in rubber tires: adding about 2% of nano silicon carbide can be modified without changing the original rubber formula, and its wear resistance can be improved by 20% without reducing its original performance and quality. -40%. In addition, 40 nanometer silicon carbide is used in rubber rubber rollers, printer fixing films and other rubber products such as wear resistance, heat dissipation and temperature resistance;

4. metal surface nano-SiC composite coating: using nano-scale particles second mixed particles, nickel as matrix metal, forming high density on the metal surface, very good adhesion electrodeposited composite coating, the metal surface is super-hard (wear-resistant ) and anti-wear (self-lubricating) high temperature resistance. The micro-hardness of the composite coating is greatly improved, the wear resistance is improved by 2-3 times, the service life is increased by 3-5 times, the bonding force between the plating layer and the substrate is increased by 40%, the covering ability is strong, the plating layer is uniform, smooth and fine;

5. other applications: high-performance structural ceramics (such as rocket nozzles, nuclear industry, etc.), absorbing materials, anti-wear grease, high-performance brake pads, high hardness wear-resistant powder coating, composite ceramic reinforcement and toughening; aerospace industry Structural coatings, functional coatings, protective coatings, absorbing materials, stealth materials, etc.; protective armor for tanks and armored vehicles; can be used as ceramic knives, cutting tools, measuring tools, molds; structural ceramics, functional ceramics for special purposes, Engineering ceramics; igniters; electric heating elements for the electrical industry, far-infrared generators.

 
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