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| Model No.︰ | - |
| Brand Name︰ | - |
| Country of Origin︰ | China |
| Minimum Order︰ | - |
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| Specifications︰ | *Refined Mineral Wollastonite
Features:
1) High purity near the theoretic component
2) Good needle-shape, low ignition loss
3) Low content of harmful constituent such as Fe2O3, S and P
Main chemical components (%):
SiO2>49
CaO>45
Fe2O3<0.2
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<1.5
Packing: 25kg/bag, 50kg/bag
*Wollastonite Needle Powder
Features:
1) 325 mesh to 1250 mesh
2) High length-diameter ratio, high whiteness
3) Widely used in plastic, rubber, paint and coating, ceramic, frictional materials, insulator, building materials, composite materials and other fields
Physical-chemical index (%):
1) NFW-XA: SiO2>49
CaO >46
Fe2O3<0.25
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<1.5
2) NFW-XB: SiO2>50
CaO >43
Fe2O3<0.2
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<3
3) NFW-XC: SiO2>51
CaO>40
Fe2O3<0.2
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<5
Packing: 25kg/bag, 50kg/bag
*Metallurgical Grade Wollastonite
Features:
1) 80 mesh to 325 mesh
2) Used in continuous casting flux, agglomerated flux, welding electrodes
Physical-chemical index (%):
1) NFW-YA: SiO2>49
CaO>45
Fe2O3<0.25
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<1.6
2) NFW-YB: SiO2>49
CaO>43
Fe2O3<0.2
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<2.5
3) NFW-YC: SiO2>51
CaO>40
Fe2O3<0.2
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<5
Packing: 25kg/bag, 50kg/bag
*Ceramic Grade Wollastonite
Features:
1) 200 mesh to 325 mesh
2) When sufficient wollastonite is added to ceramic material, the
baking temperature can be decreased, and the baking duration greatly
shortens to one rapid low temperature bake, thus saving fuel and reducing production costs
3) At the same time the mechanical properties are improved, cracks and streaks on the products are eliminated and quality raised
Physical-chemical index (%):
1) NFW-TA: SiO2>49
CaO>45
Fe2O3<0.25
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<1.6
2) NFW-TB: SiO2>50
CaO>43
Fe2O3<0.25
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001,
Loss<2.5
3) NFW-TC: SiO2>51
CaO<40
Fe2O3<0.25
Al2O3<0.8
MgO<0.8
S<0.001
P<0.001
Loss<5
Packing: 25kg/bag, 50kg/bag
Please feel free to contact us.
Alphan Deng
Email is ad737 at vip dot 163 dot com
Tel: 86-755-82960581
Fax: 86-755-82960571
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