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Characteristic of plastics

A typical characteristic of the plastics component used for the pressure gauge is shown in the next table. The load more than the property value must not join when using it.

Plastic material name Polycarbonate board Hard vinyl chloride board ABS Resin POM PVC PTFE
Characteristic Example of used parts Lamina lucida Lamina lucida Case
Ring
Above diaphragm
Flange
Under diaphragm
Flange
Diaphragm
Unit
Strength of pull and putting kgf/c㎡ 560~670 570 440 620~700 350~600 100~280
Compressive strength kgf/c㎡ 770 700 700 1300 550~900 120
Bending strength kgf/c㎡ 770~910 940 700 840~980 700~1100 110
Impact or more kgfcm/cm 50~70 5~8 12~27 5~17 1.7~8.6 16.3
Hardness Rockwell M60~70 R120 R110 M75~95 Shoah
70~90
Shoah
D50~55
Thermal deformation temperature
18.5kgf/c㎡
130~140 76 89   50~75 55

4.6kgf/c
125 260
Continuous use temperature 60 260
Combustibility   Self-digestibility Self-digestibility It burns. It burns. Self-digestibility It doesn't burn.
Weather resistance  
Acidulous  
Strong acid  
Alkalescence  
Strong alkaline  
Organic solvent-proof  
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