PP Polypropylene

We are offering pp polypropylene. Skype: maryzhao818
mail: maryzhao818(at)yahoo(dot)cn, maryzhao818(at)hotmail(dot)com
properties
astm
test condition
unit
typical values
grade
ppgf20
ppgf30
ppgf40
density
d-792
-
g/cm3
1.05
1.15
1.20
moistureabsorption
d-570
23°c,24hrs
%
0.02
0.02
0.02
melt fiow rate
d-1238
230°c/2.16kg
g/10min
9
6
9
tensile strength
d-638
10mm/min
mpa
75
85
48
strain at break
d-638
10mm/min
%
10
9
8
flexural strength
d-790
2mm/min
mpa
100
120
80
flexural modulus
d-790
2mm/min
mpa
3600
5000
4500
izod impact strength(notched)
d-256
3.2mm,23°c
kj/ m2
7.5
8.0
4.5
3.2mm,-40°c
kj/ m2
-
-
-
rockwell hardness
d-785
r-scale
-
115
115
115
hdt
d-648
1.82mpa
°c
150
158
135
coefficient of linear thermal expansion
d-696
-
*10-5/°c
10
10
10
volume resistivity
d-257
-
ω·m
1017
1017
1017
resist electric arc track sex
d-495
-
sec
-
-
-
dielectric strength insulation
d-149
-
mv/m
41
41
42
mold shrinkage
d-955
1mm
%
0.4~0.6
0.3~0.5
0.5~0.7
23°c,60rh
dissipation factor
d-150
1mhz
-
-
-
-.