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Hydrophobic Fumed Silica HB-152

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Hydrophobic Fumed Silica HB-152

Name: Hydrophobic Fumed Silica HB152
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-152 152

Characteristic

FM-H-B152 is hydrophobic fumed silica which is produced by hydrophilic fumed silica with specific surface area of 200m²/g after chemical post-treatment with DDS (Dimethyldichlorosilane)

Applications	Properties
● RTV silicone rubber, especially RTV-T	● Higher hydrophobicity,thixotropy,thickening, transparency and reinforcement
● Adhesives & sealants	● Anti-settling,anti-sagging agent
● Coating & printing ink	● Rheology control in adhesives
● Powder coating	● Free flow aid and anti-caking aid for powders
	● Thixotropy and reinforcement in RTV silicone sealants,the hydrophobic feature gives RTV silicone sealants a long shelf-life

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

Test Item	Unit	Typical Value
Specific Surface Area(BET)	m²/g	170±30
Carbon Content(Based on material dried at 105℃ for 2 hours)	%	0.8～1.6
pH value in 4% dispersion	--	≥ 3.7
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℃)	%	≤ 2.5
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:

thickening fumed silica powder

SiO2 fumed silica powder

SiO2 silicafume

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