Silica Powder Hydrophilic Fumed Silica Specific Surface Area 200

• CAS No.: 112945-52-5
• Formula: Sio2
• EINECS: 238-878-4
• Classification: Dioxide Silica
• Appearance: Powder
• Grade Standard: Industrial Grade
• Model NO.: Hydrophilic Fumed silica 200
• Quality: First-Class
• Usage: Coatings & Paintings Silicone Rubber
• Chemical Name: Fumed Silica
• Other Name: Hydrophilic Fumed Silica
• HS: 2811229000
• Transport Package: 20kg/Bag
• Origin: China
• HS Code: 112945525
• Production Capacity: 3000mt/Month

Product Description

Technical Parameter:
 

Properties	Unit	Typical Value	Testing Method
Silica Content(Based on ignited material)	%	≥99.8	GB/T 20020
PH value in 4% dispersion	-	3.9~4.5	GB/T 20020
Specific Surface Area(BET)	m2/g	200±20	GB/T 20020
Loss on drying(2 hours at 105ºC)	%	≤2.0	GB/T 20020
Loss on ignition (2 hours at 1000ºC) (based on material dried for 2 hours at 105ºC)	%	≤2.0	GB/T 20020
Sieve Residue(45μm)	%	≤0.04	GB/T 20020
Tamped Density (Based on material dried at 105ºC for 2 hours)	g/L	40~60	GB/T 20020

Characteristics
HM-200 is a hydrophilic fumed silica with a specific surface area of 200m2/g. 

Properties
Reinforcing filler in elastomers
Rheology and thixotropy control in liquid systems
Anti-settling, thickening and anti-sagging agent
Free flow aid and anti-caking aid for powders

Applications 
Coatings & Paintings
UPR, HTV&RTV Silicon Rubber
Adhesives and Sealants   
Printing Ink
Fertilizer  
Cosmetics