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Hydrophobic Fumed Silica HB-612

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Name: Hydrophobic Fumed Silica HB612
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-612 612

Characteristic

FM-H-B612 is hydrophobic fumed silica which produced by hydrophilic fumed silica with specific surface

Area of 150m²/g after chemical post-treatment with HMDS (Hexamethyldisilazane)

Applications	Properties
● RTV silicone rubber	● Rheological control of RTV silicone rubber
● Adhesives & sealants	● Anti-settling,anti-sagging and thixotropy agent
● Coatings & Printing Ink	● Free flow aid and anti-caking aid for powders
● Powder Coating	● Thixotropy agent & reinforce filler for RTV silicone sealants, the hydrophobic feature enables RTV silicone sealants a long guarantee time

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

Test Item	Unit	Typical Value
Specific Surface Area(BET)	m²/g	140±20
Carbon Content(Based on material dried at 105℃ for 2 hours)	%	0.7～1.3
pH value in 4% dispersion	--	5.0～8.0
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℃)	%	≤ 2.0
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:

Thixotropy agent Hydrophobic Fumed Silica

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