China (Mainland)
Precipitated Silica (SiO2) CAS NO.7631-86-9
- Min.Order: 10 Kilogram
- Payment Terms: L/C,T/T,
- Product Details
Keywords
- Precipitated Silica
- Hydrophobic Silica
- Ft Rubber Active Agent
Quick Details
- ProName: Precipitated Silica (SiO2)
- CasNo: 7631-86-9
- Molecular Formula: SiO2
- Appearance: Power
- DeliveryTime: 15days
- PackAge: 25kg/Bag, 1 Mt Per Pallet, 20 Mt Per C...
- Port: qingdao port
- ProductionCapacity: 5000 Metric Ton/Year
- Purity: 99.9
- Storage: cool and dry
- Transportation: boat
- LimitNum: 10 Kilogram
- Grade: Industrial Grade
- Type: Chemical Auxiliary Agent
- Other Name: White Carbon Black
- Place of Origin: Hebei China
- Brand: Jinwang
Superiority
Hydrophobic silica is commonly after reprocessing of products, under some appropriate conditions will generally hydrophilic silica and silane coupling agent treatment response, and obtained a kind of surface has polysiloxane grafting of solid powder silica, the hydrophobic contact Angle can reach 70 to 150, has the good hydrophobic property.
Details
|
No. |
PHYSICO-CHEMICAL PROPERTIES |
Data |
TEST METHOD |
UNIT |
|
1 |
SiO2 Contents |
≥ 93 |
HG/T 3062 |
% |
|
2 |
Appearance |
White, Fine Odourless, Powder |
Visual |
/ |
|
3 |
45μm Sieve |
≤0.5 |
HG/T 3064 |
% |
|
4 |
Loss on Drying (105°C, 2h) |
4.0-7.0 |
HG/T 3065 |
% |
|
5 |
Loss on Ignition (1000°C, 2h) |
3.0-6.0 |
HG/T 3066 |
% |
|
6 |
PH Value |
6.5-7.1 |
HG/T 3067 |
/ |
|
7 |
Nitrogen adsorption specific surface area |
140-190 |
GB/T 10722 |
m²/g |
|
8 |
Copper Contents |
≤10 |
HG/T 3068 |
mg/kg |
|
9 |
Manganese Contents |
≤40 |
HG/T 3069 |
mg/kg |
|
10 |
Iron Contents |
≤400 |
HG/T 3070 |
mg/kg |
|
11 |
DBP Oil Absorption Value |
2.55-2.8 |
HG/T 3072 |
cm³/g |
|
12 |
Stress at 500% Elongation |
≥13.0 |
HG/T 2404 |
MPa |
|
13 |
Tensile Strength |
≥19.0 |
HG/T 2404 |
MPa |
|
14 |
Elongation at Break |
≥675 |
HG/T 2404 |
% |
|
Item |
Test Standard |
|
Specific surface area（㎡/g） |
200±20 |
|
Determination of PH value of an aqueous suspension（4%） |
3.6-4.5 |
|
Loss on drying 105deg.C（m/m%） |
≤1.5 |
|
Loss on ignition(dry product)1,000deg.C （m/m%） |
≤2.5 |
|
Sieve residue（m/m%） |
≤0.05 |
|
Apparent density( g/L) |
25-60 |
|
Sio2 content (m/m% ) |
≥99.8 |
|
Carbon content (m/m%) |
≤0.2 |