Hydrophobic Fumed Silica Iota Hb4135 CAS No. 7631-86-9

• CAS No.: 7631-86-9
• EINECS: 000-00-0
• Classification: Silicon Dioxide
• Model NO.: IOTA HB4135
• Grade Standard: Industrial Grade
• Kind: Acidic Oxide
• Quality: Eligible
• 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 HB4135
HB4135 is hydrophobic fumed silica which is produced by HL4380 after chemical post-treatment with HMDS (Hexamethyldisilazane).

Specification	IOTA HB4135
Specific sunface area(BET), m2/g	210
pH value in 4% dispersion	7.0~8.5
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), %	≤8.0
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), %	3.5~6.5

 

                                Applications 
                                Silicone rubber
                                Adhesives and Sealants
                                Defoamer           
                                Toner  

                                Package
                                White kraft paper bag, 10KG/Bag

 

Properties
Low thickening effect and excellent processability enable high loading in polymers
Excellent reinforcing properties in silicone rubber especially at high filler loading levels(RTV-1,RTV-2,LSR)
Good transparency performance
Free-flow aid for powders