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Sillica for Sillicone Sealant/Rubber X-Y779

Introduce:

X-Y779 uses low iron material, strict impurity process and production. Its super-fine powder silica used for high temperature sulfuration silicon rubber. Chemical name: Precipitation Hydration Silica; Molecular formula: SiO2.nH2O. NaOH and HF can dissol

Type:X-Y779

Parameters

Sillica for Sillicone Sealant/Rubber X-Y779
Product Description:
X-Y779 uses low iron material, strict impurity process and production. Its super-fine powder silica used for high temperature sulfuration silicon rubber.
Chemical name: Precipitation Hydration Silica; Molecular formula: SiO2.nH2O.
NaOH and HF can dissolve it. Other kinds of acid, water and solvents cannot dissolve the product. It has a good performance with resistance to higher temperature, tasteless, odourless, no combustion and good isolation.
Technical Specifications:
Specification X-Y779
SiO2  (dry basis) % 98
Whiteness,% 98
PH value 6.0-7.0
Heating loss (105ºC  ) %   4.0-8.0
Ignition loss (1000 ºC )% 7
BET surface area  m2/g  145±15
DBP absorption value cm3/g   2.0-2.7
D50,um 12±2
Salt as Na2SO4,% 0.7
package 10Kgs/Bag
Appearance Whiht Powder
Applications
ainly used in high temperature vulcanization silicone sealant or silicone rubber for good reinforcing effect. With high transparent, low rate become to yellow, and superior performance for processing.                           
We provide the following services:
◆Quick Delivery---we will arrange the shipment as soon as possible with in 15 days after your order is placed.
◆ Free sample---If you can pay the courier freight, we are pleased to send free samples to you.
◆Customization---we are able to offer products according to your requirement.

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