99.8% White Fumed Silica Powder Hydrophobic SIO2 Anti Sagging And Thixotropy Control

Basic Information
Place of Origin: China
Brand Name: Herrman
Certification: ISO9001
Model Number: HM
Minimum Order Quantity: 100KGS
Packaging Details: 10KG/Bag
Delivery Time: 7-15Days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 10000kg/month
Detail Information
Name: 99.8% White Carbon Black Hydrophobic SIO2 Other Name: Fumed Silica
Appearance: Powder Origin: China
Color: White Sample: Free
High Light:

paint raw materials


surface active agents

Product Description

99.8% White Carbon Black Hydrophobic SIO2



Physical & Chemical Data


Properties Unit Standard Value Testing Method

pH in 4% dispersion


  3.7~4.5 GB/T 20020

Loss on drying

(2 hour at 105℃)

% ≤0.7 GB/T 20020

Loss on ignition

(2 hour at 1000° based on material dried for 2 hours at 105℃)

% ≤2.5 GB/T 20020

Silica content

( based on ignited material)

% ≥99.8 GB/T 20020

Tamped density

(based on material

dried for 2 hours at 105℃)

g/dm² 40-60 GB/T 20020

Carbon content(based on material

dried for 2 hours at 105℃)

% 0.6~1.2 GB/T 20020


· 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



Silicone rubber

Adhesives and Sealants



Contact Details
emily fan

WhatsApp : +8613505605700