Hydrophobic Fumed Silica Iota Hb4612

• CAS No.: 7631-86-9
• EINECS: 000-00-0
• Classification: Silicon Dioxide
• Grade Standard: Industrial Grade
• Kind: Acidic Oxide
• Quality: Eligible
• Model NO.: IOTA HB4612
• Certification: SGS
• Transport Package: 10kg/Bag, 200kg/Bag
• Trademark: IOTA
• Origin: China
• HS Code: 39100000
• Production Capacity: 300ton/Month

Product Description

Hydrophobic Fumed Silica IOTA HB4612
HB4612 is hydrophobic fumed silica which produced by HL4150 after chemical post-treatment with HMDS (Hexamethyldisilazane).

Specification	IOTA HB4612
Specific sunface area(BET), m2/g	115
pH value in 4% dispersion	5.5~7.5
Loss on drying(2 hours at 105ºC), %	≤0.7
Loss on ignition(2 hours at 1000ºC based on material dried for 2 hours at 105ºC), %	≤2.0
Sieve Residue(45μm), mg/kg	-
Silica Content(Based on ignited material), %	≥99.8
Tamped Density(Based on material dried at 105ºC for 2 hours), g/dm²	40~60
Carbon Content (Based on material dried at 105ºC for 2 hours), %	0.7~1.3

Applications 
RTV silicone sealants,especially electronic potting and Liquid glue
Adhesives and Sealants
Coatings & Printing ink                    
Powder Coatings
 

Properties
Thixotropy and reinforcement in RTV silicone sealants, the hydrophobic
feature gives RTV silicone sealants a long shelf-life
Rheological control of RTV silicone rubber
Anti-settling,anti-sagging and thixotropy agent
Free flow aid and anti-caking aid for powders

 

Package
White kraft paper bag, 10KG/Bag