quartz apparatus

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Specification

Model : sufu quartz	Payment Terms : T/T, Western Union, MoneyGram, Other	delivery Time : 7days	Product Advantages : Prompt Delivery, New Product, Competitive Prices, In a Variety of Design, Small Order Acceptable, OEM Accepted, Other
Material : Default

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Product Introduction

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:	1100°C
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

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