mother of peark perspex  physical properties

Specific gravity

1.19-2.0

hardness

M-100

Water absorption (24hours )

0.30%

Damage coefficient

700kg/ cm2

modulus of elasticity

2800kg/ cm2

Luminous transmittance (parallel )

92%

total luminous transmittance

93%

Heat distortion temperature

1000C

coefficient of linear expansion

6*10-5cm/cm0C

Contunious using temperature

80%

Molding temperature range

140-1800C

Electric insulation resistance

20 kv/mm

   mother of peark perspex chemical resistance

Sulfuric acid (concentration)

no more than 60%

Hydrochloric acid

no more than 30%

Nitric acid

no more than 20%

Acetic acid

dissolved

hydrogen fluoride

resistance

caustic soda

no more than 50%

Aqua amonia

no more than 28%

Chlorine water

Color changes

Iodine

Easy to color