Hydrophobic Fumed Silica Iota Hb4151

• CAS No.: 7631-86-9
• EINECS: 000-00-0
• Classification: Silicon Dioxide
• Grade Standard: Industrial Grade
• Kind: Acidic Oxide
• Quality: Eligible
• Model NO.: IOTA HB4151
• Certification: SGS
• Preparation Method: Hydrophobic Fumed Silica
• Transport Package: 10kg/Drum, 200kg/Drum
• Specification: white bag
• Trademark: IOTA
• Origin: China
• HS Code: 39100000
• Production Capacity: 300ton/Month

Product Description

Hydrophobic Fumed Silica IOTA HB4151
HB4151 is hydrophobic fumed silica which is produced by HL4150 after chemical post-treatment with DDS(Dimethyldichlorosilane).

Specification	IOTA HB4151
Specific sunface area(BET), m2/g	115±15
pH value in 4% dispersion	3.7~4.5
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), %	≤2.5
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), %	0.6~1.2

 

                         Applications 
                         RTV silicone rubber,especially RTV-T
                         Adhesives & Sealants
                         Coatings & Printing ink 
                         Powder Coating

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

Package
White kraft paper bag, 10KG/Bag