Product Title:Borosilicate Glass(PYREX Glass)

Borosilicate Glass(PYREX Glass)

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

Silicon content >80%
Strain and Temperature 520℃
Annealing temperature 560℃
Softening temperature 820℃
Index of refraction 1.47
Transmittance ≧90%
Elastic modulus E 67KNmm-2
Tensile strength 40-120Nmm-2
Processing temperature(104dpas) 1220℃
Coefficient of thermal expansion(20-300℃) 3.3×10-6/K-1
Poisson's ratio μ 0.2
Density(20℃) 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℃

Borosilicate glass (PYREX internationally known glass) spectra:

Borosilicate Glass's Spectra

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