Hydrophobic Fumed Silica Powder HS Code 281122 For RTV Silicone Sealants

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Country/Region:china

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Hydrophobic Fumed Silica Powder HS Code 281122 For RTV Silicone Sealants

Model Number	HB-151
Certification	SGS/ROHS/ASTM/REACH
Place of Origin	China
Minimum Order Quantity	Negotiable
Price	Negotiable
Payment Terms	L/C, D/A, D/P, T/T
Supply Ability	1000 Ton Per Month
Delivery Time	7-10 work days
Packaging Details	10 kg/bag, multi-layer paper compound material bag.
Brand Name	SKYHIL
Classification	Silicon Dioxide
Material	Silicon Dioxide
CAS No.	7631-86-9
EINECS No.	231-545-4
Appearance	White and Colloidal Powder
Application	RTV silicone sealants
Counter Type	M-5,AE-200
HS Code	28112290000

Detailed Product Description

Hydrophobic Fumed Silica Powder HS Code: 281122 As White Powder Used For RTV Silicone Sealants

Characteristics

HB-151 is a hydrophobic fumed silica after treated with DDS(Dimethyl based on a hydrophilic fume silica with a specific surface area of 120 m2/g. It is a kind of high purity white colloidal powder.

Applications

1, RTV silicone sealants, especially electronic potting.

2, Adhesives and Sealants

3, Coatings, Inks.

4, Powder Coatings.

Properties

1, Thixotropy and reinforcement in RTV silicone sealants, the hydrophobic feature given RTV silicone sealants a long period Shelf-life.

2, Rheology Control in adhesives.

3, Improvement of anti-settling, anti-sagging and thixotropy control.

4, Improve the free flow of powder coatings and anti-caking.

Physicochemical Data

Properties	Unit	Typical Value
Specific Surface Area(BET)	M2/g	120±15
PH-Value in 4% Dispersion(1:1 mixture of water and ethanol)		3.7-4.5
Loss on drying(2h@105℃)	Wt%	≤0.7
Loss on ignition(2h@1000℃,based on material dried for 2h@105℃)	Wt%	≤2.5
Silica content(Based on ignited material)	Wt%	≥99.8
Tamped Density(Based on material dried for 2h@105℃)	g/L	40-60
Carbon Content(Based on material dried for 2h@105105℃)	Wt%	0.6-1.2

Product Tags: hydrophobic fumed silica amorphous silicon dioxide

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