|Place of Origin:||China|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||10 kg/bag, multi-layer paper compound material bag.|
|Delivery Time:||7-10 work days|
|Payment Terms:||L/C, D/A, D/P, T/T|
|Supply Ability:||1000 Ton Per Month|
|Classification:||Silicon Dioxide||Material:||Silicon Dioxide|
|CAS No.::||7631-86-9||EINECS No.::||231-545-4|
|Appearance:||White And Colloidal Powder||Application:||HTV Silicone Rubber|
|Counter Type:||R972||HS Code:||28112290000|
hydrophobic fumed silica,
amorphous silicon dioxide
Hydrophobic Fumed Silica Powder Used For Coatings and Inks As Stable Thixotropy, Anti-settling, Anti-sagging
HB-620 is a hydrophobic fumed silica after treated with DDS(Dimethyl based on a hydrophilic fume silica with a specific surface area of 170 m2/g. It is a kind of high purity white colloidal powder.
1, HTV Silicone Rubber
2, Adhesive and Sealants
3, Coatings, Inks.
4, Powder Coatings
1, Reinforcement of HTV Silicone Rubber, Anti-Caking.
2, Hydrophobic surface chemistry and stable thixotropy, anti-settling, anti-sagging.
3, Good Performance of hydrophobic feature and rheology in Adhensives and Sealants.
4, Improve the free flow, homogeneity and probility stability of Carbon Powder.
|Specific Surface Area(BET)||M2/g||
|PH-Value in 4% Dispersion(1:1 mixture of water and ethanol)||5.5-8.0|
|Loss on drying(2h@105℃)||Wt%||
|Loss on ignition(2h@1000℃,based on material dried for 2h@105℃)||Wt%||
|Silica content(Based on ignited material)||Wt%||
|Tamped Density(Based on material dried for 2h@105℃)||g/L||40-60|
|Carbon Content(Based on material dried for 2h@105105℃)||Wt%||1.5-2.5|
Contact Person: Mr. Don