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Borosilicate Glass(PYREX Glass)

Borosilicate glass (PYREX Glass International called) physical and chemical properties:

Silicon content >80%
Strain and Temperature 520¡æ
Annealing temperature 560¡æ
Softening temperature 820¡æ
Index of refraction 1.47
Transmittance ¨R90£¥
Elastic modulus E 67KNmm-2
Tensile strength 40-120Nmm-2
Processing temperature£¨104dpas£© 1220¡æ
Coefficient of thermal expansion£¨20-300¡æ£© 3.3×10-6/K-1
Poisson's ratio ¦Ì 0.2
Density£¨20¡æ£© 2.23g/cm3
Specific heat 0.9Jg-1K-1
Thermal conductivity 1.2Wm-1K-1
Water resistance£¨ISO 719£© 1 Level
Acid resistance£¨ISO 195£© 1 Level
Alkali resistance£¨ISO 695£© 2 Level
CML resistant glass rod glass rod Φ6×30mm 300¡æ

Borosilicate glass (PYREX internationally known glass) spectra:

Borosilicate Glass's Spectra

 

 

 

 

 

 

 
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