cpvc resin

No.

Item

Unit

Index

J****-

Z***0

1

**-mesh screening rate

%

≥*9

≥*9

2

volatile content

best quality

%

≤0.*0

≤0.*0

first quality

≤0.*5

≤0.*5

qualified quality

≤0.*0

≤0.*0

3

chlorine content

%

*3~*9

*8~*5

4

heat decomposition temperature

°C

≥**0

≥**0

5

heat stability

S

≥*0

≥*0

Index

PVC

CPVC

Density(g/cm3)

1.*8—1.*5

1.*5—1.*8

Vicat softening temperature

*2—*2

**0—**5

Tensile strength(MPa)

*9—*8

*4—*0

Bend strength(MPa)

**5

**0

Linear coefficient of thermalexpansion(K*1)

(6—7)×*0

(7.**8)×**-

Extension at break

**0

*0