SAI779 Good Processing Silica in Silicone Rubber

Sales SAI779 Good Processing Silica in Silicone Rubber

Silicone Rubber grade SAI779, with low iron raw materials and highly transparent. Silicone Rubber Grade SAI779 is high reinforced ultra fine Silica with strict purifying technology specialized use for high temperature vulcanized silicone rubber.

  • Properties : Transparency, good reinforcing
  • Surface BET (m²/g) : 130-160
  • Chemical Formula : SiO2.nH2
  • CAS No. : 7631-86-9
  • EINECS No : 238-878-4

Product Detail  

SAI779 Good Processing Silica in Silicone Rubber

Low iron content with high transparent

Medium Partical Size: 10-14um and BET specific surface area 1120-160 m²/g


Product Name

SiO2, Precipitated Silica, White Carbon, Silicon Dioxide, Conventional Silica Powder, Amorphous Precipitated Silica, Micro pearl precipitated silica


Chemical Properties

White powder form, with low iron raw materials with high transparent. SAI779 is high reinforced ultra fine Silica with strict purifying technology specialized use for high temperature vulcanized silicone rubber.


Specifications

Items

Specification

Appearance

White Powder

BET specific surface area m²/g

130-160

Salt As Na2SO4% Max

0.7

SiO2 % Min

98

Heating Loss at 105°C 2h% Max

4.0-8.0

Ignition Loss at 1000°C 2h% Max

7.0

pH Value (5% aqueous suspension)

6.0-7.0

DBP absorption Value cm³/g

2.0-2.7

Total Fe mg/kg Max 200

Medium Size (D50)µm

10-14


Application

SAI779 is used widely for high temperature vulcanized silicone rubber. 

SAI779 has high transparent, good anti yellowing effect, high hardness effect, and better reinforcement effect.

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