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Factory Chemical Silica Sio2 White Carbon Black for Rubbber
Factory Chemical Silica Sio2 White Carbon Black for Rubbber
Factory Chemical Silica Sio2 White Carbon Black for Rubbber
Factory Chemical Silica Sio2 White Carbon Black for Rubbber
Factory Chemical Silica Sio2 White Carbon Black for Rubbber
Factory Chemical Silica Sio2 White Carbon Black for Rubbber

Factory Chemical Silica Sio2 White Carbon Black for Rubbber

Min.Order: 1
Product origin: Shijiazhuang, Hebei, China
Infringement complaint: complaintComplaint
US$ 800 ~ 1300

Description

White carbon black is the general name of white powdery X-ray amorphous silicic acid and silicate products, mainly referring to precipitated silica, fumed silica and ultrafine silica gel, and also including powdery synthetic aluminum silicate and calcium silicate. White carbon black is a porous material, and its composition can be represented by SiO2 · nH2O, where nH2O exists in the form of surface hydroxyl groups. Soluble in ca ustic soda , insoluble in water, solvents and acids . It is high-temperature resistant, nonflammable, tasteless, odorless and has good electrical insulation.
The product has special physical and chemical properties so that it becomes the reinforcing additive with best transparency in the blends formula that takes rubber as matrix. It has stronger reinforcing performance than ordinary precipitated silica in the rubber industry, especially in the silicone rubber industry, it can greatly improve the properties of aging resistance, rebound resilience and compressive deformation resistance.
 
Product Series
 
industrial Grade
Type
 
H-325D
H-325K
H-325
H-180
Form
 
Powder
Micro-pearl
Powder
Super-fine powder
Silica(dry basis)
%
≥99
Drying Loss
%
≤6.0
Ignition Loss (dry basis)
%
≤5.0
Soluble salts (As Na2SO4)
%
≤3.0
≤3.0
≤3.0
2.5≤3.0
pH(10% aqueous solution)
 
6.0~7.5
DBP
cm3/g
2.5~2.8
2.0~3.0
2.6~2.8
2.5~3.5
Fe
(mg/kg)
≤100
≤300
≤300
≤300
Average particle size/D50
um
40-60
10-30
40-60
5~15
BET
m2/g
160~180
160~180
160~180
180~200
Heavy Metal (in form of Pb)
mg/kg
≤0.003
As
%
≤0.0003
pb
%
≤0.001


White carbon black can be used for additives, catalyst carriers, petrochemicals, decolorizing agents, matting agents, rubber reinforcing agents, plastic fillers, ink thickeners, metal soft polishing agents, insulating fillers, advanced daily cosmetic fillers and spraying materials, pharmaceuticals , environmental protection and other fields.
Packaging:
1.20kgs net Kraft paper bag or PP woven bag.
2.20kg or 15kg/ sealed woven bag, orbig bag package according to your request

 

 

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