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pmma sheet pmma sheet pmma sheet
Our production in line with national standards GB/T7134--1996.and in line with international standards ISO7823 / 1:1987 "Plastic - PMMA sheet" standards.Physical property of PMMA cast sheet is as follow:
1. specific gravity 1.19---1.20 (---)
2. prockwell hardness m100 (kg/cm2)
3. shear strength 630 (kg/cm2)
4. rupture 1050 (kg/cm2)
5. tensile strength 760 (kg/cm2)
6. impactstrength 0.35 (cal/groC)
7. thermal seformation temp 100 (oC)
8. thermal forming temp 140--180 (oC)
9. light transmuittance 93%
10. refractive index 1.49
11. water absorption 0.3%
12. dielectric strength 20 (kv/mm)
pmma sheet