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  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: zhenhua
  • Model Number: cunstomization
  • material: borosilicate glass

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high borosilicate glass
1. kinds of borosilicate glasses
2. provide good quality

product performance
of high borosilicate glass
mechanical propertyρ2.23±0.02g/cm3
Mohs hardness>7
thermodynamic propertythermal expansivity(0-300°C)(3.3±0.1)×10-6K -1
softening point 820±10°C
strain point 516±10°C
specific heat(20-100°C)0.82KJ×kg×K)-1
thermal conductivity1.2W×(m×K)-1
Thermal shock resistance 180K
Identical temperature difference 100K
Max. Operating Temperature short time(<10h) 500°C, long time(>10h)450°C
chemical property Water resistance ISO719/DIN12111 HGB1
acid fastnessISO1776/DIN12116  1
resistance to alkaliISO695/DIN52322  A2
optical propertyrefractive index Nd:1.47384
transmittance >91%
eletric property resistivitylgρ250°C 8.0Ω×cm
dielectric loss tanσ(megacycle120°C)  38×10-4
dielectric constantε4.7
maximum dimensions rule 750mmm×1200mm
thickness Float process 1.5——25mm other process 0.5——150mm
attension: thickness rule include:1.5mm,2mm,2.5mm,3mm,3.3mm,4mm,5mm,6mm,8mm,10mm,12mm,13mm,20mm,22mm,25mm
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China (Mainland) | Manufacturer
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