Function 1. Observe stress distribution in transparent plastic, glass products andoptical crystals 2. Measure retardation caused by internal stress in glass and optical crystals Detecting object 1. transparent glass products with complex construction. such as : penicillin ...
Properties: Hydrolytic resistance Acid resistance Alkali resistance Ecologically harmless Use in microwave apparatus Softening temperature 3.8 * 10-6mm 2 /No 820 ℃ Refractive index 1.47 Light transmittance (2mm) 92 % Elastic Modulus 76KNmm - 2 Tensile strength 40- 120Nmm - ...