Hydrophobic Fumed Silica Iota Hb4630 CAS No. 7631-86-9

• CAS No.: 7631-86-9
• EINECS: 000-00-0
• Classification: Silicon Dioxide
• Grade Standard: Industrial Grade
• Kind: Acidic Oxide
• Quality: Eligible
• Model NO.: IOTA HB4630
• Certification: SGS
• Transport Package: 10kg/Bag, 200kg/Bag
• Specification: white bag
• Trademark: IOTA
• Origin: China
• HS Code: 39100000
• Production Capacity: 500ton/Month

Product Description

Hydrophobic Fumed Silica IOTA HB4630
HB4630 is hydrophobic fumed silica which is produced by HL4380 after chemical post-treatment with HMDS (Hexamethyldisilazane).

Specification	IOTA  HB4630
Specific sunface area(BET), m2/g	280
pH value in 4% dispersion	5.5~8.0
Loss on drying(2 hours at 105ºC), %	≤0.5
Loss on ignition(2 hours at 1000ºC based on material dried for 2 hours at 105ºC), %	≤4.0
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), %	2.5~4.0

                 Applications 
                 Elastomers, HTV silicone rubber and LSR
                 Coatings & printings ink 
                 Defoamer                           
                 Carbon Powder for Printer
 

 

Properties
High reinforcement and transparency in HTV and LSR
High hydrophobicity and stable thixotropy 
Anti-settling and anti-sagging agent in coatings and printing ink  
High anti-foam property   
Free flow aid and anti-caking aid for powders

Package
White kraft paper bag, 10KG/Bag