Silicon Dioxide Sio2 Fumed Silica Gas Phase Silica

• Formula: Sio2
• Color: White
• Appearance: Powder
• Model NO.: Sio2
• Standard: GB/T20020-2013
• Specific Surface Area: 200/300
• pH Value: 3.7-4.5
• Transport Package: 10kg/Bag
• Specification: 99.9%
• Trademark: SH
• Origin: China
• HS Code: 28112290

Product Description

Fumed silica is widely used in fine chemical fields such as silicone rubber, coatings, unsaturated resins, etc.

 

 Implementation of standards:GB/T20020-2013

ITEMS	SPECIFICATIONS	RESULTS
IDENTIFICATION	ACCORD WITH STANDARD	PASS
PH VALUE	3.7-4.5	4.0
Drying Loss%	Max2.5	2.1
The apparent dengsity  g/l	Max40-60	46
SPECIFIC SURFACE AREA M²/G	200±20	210
MOISTURE(105ºC)%  max	0.6-1.2	1.1
PURITY OF SIO² %	≥99.8	99.9
COLOR COMPARED WITH THE STANDARD SAMPLE	STANDARD SAMPLE	STANDARD SAMPLE

 

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