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Hydrophobic Fumed Silica HB-139

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Hydrophobic Fumed Silica HB-139

Name: Hydrophobic Fumed Silica HB139
Brand: SINOENERGY GROUP
Price: 1 USD

Place of Origin : China

MOQ : 1KG

Delivery Time : 3-5 work days

Payment Terms : L/C,T/T

Supply Ability : 20-25kg per bags

Brand Name : SINOENERGY GROUP

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Fumed Silica

HB- Hydrophobic Fumed Silica HB-139 139

Characteristic

FM-H-B139 is hydrophobic fumed silica which is produced by hydrophilic fumed silica with specific surface area of 200m²/g after chemical post-treatment with PDMS (Polydimethylsiloxane).

Applications	Properties
● silicone rubber	● Good thickening and thixotropic property
● Coating & printing ink	● Good anti-sagging properties and excellent stability in epoxy resin
● Adhesives & sealants	● Excellent reinforcing properties in silicone rubber especially at high filler loading levels and no crepe hardening on aging
● Greased & cable gel
● Unsaturated resin	● Well suited for transparent systems
● Powders coating	● High hydrophobicity,free flow aid for powder coatings

Physical and Chemical Data (Standard: GB/T 20020)

Test Item	Unit	Typical Value
Specific Surface Area(BET)	m²/g	110±30
Carbon Content(Based on material dried at 105℃ for 2 hours)	%	4.0～7.0
pH value in 4% dispersion	--	4.0～7.0
Loss on drying( 2 hours at 105℃)	%	≤ 0.7
Loss on ignition (2 hours at 1000℃, based on material dried for 2 hours at 105℃)	%	≤ 10.0
Tamped Density (Based on material dried at 105℃ for 2 hours)	g/L	40～60
Silica Content (Based on ignited material)	%	≥ 99.8

Product Tags:

Hydrophobic fumed silica thickener

fumed silica thickener powder

Hydrophobic silica thickener

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