Iota Hl4150 Fumed Hydrophilic Silica Chemicals CAS No. 7631-86-9

• CAS No.: 7631-86-9
• Appearance: Powder
• Usage: Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Surfactants, Adhesives and Sealants
• Model NO.: IOTA HL4150
• Color: White
• Specific Sunface Area(Bet), M2/G: 135-165
• pH Value in 4% Dispersion: 3.9-4.5
• Loss on Drying(2 Hours at 105 C), %: 1.5
• Sieve Residue(45μm), Mg/Kg: 250
• Transport Package: White Kraft Paper Bag
• Specification: 10KG/Bag
• Trademark: IOTA
• Origin: China
• HS Code: 3910000000
• Production Capacity: 500mt/Month

Product Description

Product description

HL4150 is hydrophilic fumed silica with a specific surface area around 150m2 /g, mainly is applied in HTV and RTV Silicone rubber, adhesives and sealants, coatings and paintings

 

Specification	IOTA HL4150
Specific sunface area(BET), m2/g	150±15
pH value in 4% dispersion	3.9~4.5
Loss on drying(2 hours at 105ºC), %	≤1.5
Loss on ignition(2 hours at 1000ºC based on material dried for 2 hours at 105ºC), %	≤2.0
Sieve Residue(45μm), mg/kg	≤250
Silica Content(Based on ignited material), %	≥99.8
Tamped Density(Based on material dried at 105ºC for 2 hours), g/dm²	40~60

 

Applications 

HTV and RTV Silicone rubber

Adhesives and Sealants

Coatings and Paintings

 

Properties

Reinforcing filler in elastomers

Rheology control and thixotropic agent

Anti-settling,anti-sagging and thickening agent

Free flow aid and anti-caking aid for powders

 

Package

White kraft paper bag, 10KG/Bag