High-Purity Nano-Powder Hydrophobic Fumed Silica Hydrophobic Silicon Dioxide For Coating

High-Purity Nano-Powder Hydrophobic Fumed Silica Hydrophobic Silicon Dioxide For Coating

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≥100 Kilograms

US $4.6

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Quick Details

MF:: SiO2

EINECS No.:: 231-545-4

Place of Origin:: China

Appearance:: white powder, Nano-powder

Brand Name:: Mingyi

Model Number:: 4620

Certification:: ISO9001

Sample:: Freely Provided

MOQ:: 100kg

Package:: 10kg/bag

Company type:: Factory

Quick Details

CAS No.:: 14464-46-1

Purity:: 99.8

Other Names:: fumed silica

MF:: SiO2

EINECS No.:: 231-545-4

Place of Origin:: China

Appearance:: white powder, Nano-powder

Brand Name:: Mingyi

Model Number:: 4620

Certification:: ISO9001

Sample:: Freely Provided

MOQ:: 100kg

Package:: 10kg/bag

Company type:: Factory

Products Description

Product description
HB4620 is hydrophobic fumed silica which is produced by HL4200 after chemical post-treatment with HMDS (Hexamethyldisilazane).

Applications
HTV silicone rubber & LSR
Coatings & printing ink
Adhesives & Sealants
Powder Coatings

Properties
Reinforcing filler for elastomer
High hydrophobicity and stable thixotropy
Anti-settling, anti-sagging agent in coatings and printing ink
Free flow aid and anti-caking aid for powders
Rheological control for adhesives and sealants

Package
White kraft paper bag, 10KG/Bag

Specification

Specification	MY HB4620
Specific sunface area(BET), ㎡/g	170
pH value in 4% dispersion	5.5～8.0
Loss on drying(2 hours at 105℃), %	≤0.5
Loss on ignition(2 hours at 1000℃ based on material dried for 2 hours at 105℃), %	≤4.0
Sieve Residue(45μm), mg/kg	-
Silica Content(Based on ignited material), %	≥99.8
Tamped Density(Based on material dried at 105℃ for 2 hours), g/dm²	40～60
Carbon Content (Based on material dried at 105℃ for 2 hours), %	1.5～2.5