Supply Ability : 600000PCS/ Week
Min.Order : PCS
Quantity:
-
+
Total Cost :
Product Details
Packing Information
Pcs/Carton: N/A
Packing Size/Carton:N/A
Packing Vol/Carton: N/A
N.W./Carton: N/A
G.W./Carton: N/A
QTY in 40HQ: N/A
QTY in 40GP: N/A
QTY in 20GP: N/A
Specification
Quartz apparatus
SIO2 :
99.9 %
Density :
2.2(g/cm3)
Degree of hardness moh' scale :
6.6
Melting point:
1732°C
Working temperature :
1100°C
Max temperature can reach in a short time :
1450°C
Acid tolerance:
30 times than Ceramics
Visible light transmittance :
above 93%
UV spectral region transmittance:
80%
Resistance value :
10000 times than ordinary glass
Annealing point:
1120°C
Strain point:
Youngs modulus(pa)
7.3x1010
Coeficient of expansion 25-300°C°C-1(x10-8)
0.56
Thermal Conductivity(W/m°C,20°C)
1.4
Specific Heat(J/kg,20°C)
670
Degree of Hardness
5.5-5.6 Moh’s Scale
Dielectric Constant
3.7
Electrical Resistivity(350°C,omh-cm)
7x107
Insulating Strength(20°C,KV/cm)
250~400