Buy Wollastonite(XYNFW-A for Metallurgical Mold Powder,Etc)

Date Posted :

2009-06-12

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2,Chemical Property of Wollastonite
Name
SiO2
CaO
Al2O3��
Fe2O3��
TiO2��
MgO��
S��
P��
Loss
PH

NFW-A
49-51
44-46
0.8
0.25
0.003
1.2
0.007
0.02
0.5-1
9

NFW-B
48-52
43-45
0.8
0.3
0.003
1.2
0.007
0.02
2-5
9

NFW-C
48-53
38-43
0.8
0.35
0.003
1.2
0.007
0.02
5-10
9

3,Physical Property of Wollastonite
Item
Name
Granularity (mesh)   Length-diameter ratio (L/D)    Sedimentation value (ml/200m)

Oil absorption value (g/100g)         Whiteness (%)  Refractive index (%)
Density (g/cm3)         expansion coefficient (mm / mm C)        Melting Point (C)

Hardness (Mohs竊�
wollastonit        80- 1250  8-25        40-75        20-26        76- 90        1.63        2.95        6.5*10-6

1450        4.5-5

Related Keywords: wollastonite , Metallurgical

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