rubber variety
(ASTM ) |
IR
|
SBR
|
BR
|
CR
|
NBR
|
chemical structure |
Isoprene Rubber,Cis 1,4-Polyisoprene "Synthetic Natural Rubber" |
Styrene Butadiene Rubber |
Polybutadiene Rubber |
Poly-2-chlorobutadiene-1,3 chloroprene Rubber，Neoprene |
Butadiene Acrylnitrile Rubber,Nitrile Rubber |
main characteristics |
high flexibility, good comprehensive physical mechanic performance |
better wear-resistant and anti-aging function than NR, lower prices |
same wear-resistant with NR and better flexible and lower temperature resistant than NR |
good climate resistant, ozone proof, hot resistance and chemical resistant |
good oil-resistant, wear-resistant and anti-aging |
quality of NR |
proportion |
0.93 |
0.94 |
0.93 |
1.23 |
0.96~1.02 |
meni adhesive
meni adhesive
ML 1+4 100 ℃ |
45 ~150 |
30~ 7 0 |
35~55 |
45~120 |
30~100 |
rubber physical performance |
hardness range
( SHORE A ) |
2 0~100 |
4 0~100 |
30~100 |
45~120 |
30~130 |
anti-tensity (MPa) |
7~27 |
7~24 |
7~20 |
7~27 |
7~27 |
elongation rate (%) |
100~ 700 |
100~ 700 |
100~ 700 |
100~ 600 |
100~700 |
re-elasticity |
excellent + |
good |
excellent + |
excellent |
good |
tearing force |
excellent |
middle ~ good |
good |
good |
good |
wear-resistant |
excellent |
excellent |
excellent |
excellent |
excellent |
compress & distortion |
good |
good |
middle |
good |
good |
temperature range(℃) |
-75~90 |
-60~100 |
-100~100 |
-50~120 |
-50~120 |
climate resistant |
middle |
middle |
middle |
excellent |
bad |
ozone proof |
bad |
middle |
bad |
good ~ excellent |
middle |
electric performance |
excellent |
middle |
good |
good |
bad ~ middle |
gas penetrating resistant |
middle |
middle |
middle |
good |
excellent |
| oil-resistant and acid& alkali resistant |
oil-resistant |
bad |
bad |
bad |
good |
excellent |
fire-resistant |
bad |
bad |
bad |
middle |
good |
alcohol |
excellent |
excellent |
excellent |
excellent |
excellent |
MEK |
good |
good |
good |
good |
middle |
water |
excellent |
good ~ excellent |
bad |
good |
excellent |
high concentration inorganic acid |
middle |
bad |
bad |
middle |
middle |
low concentration inorganic acid |
good |
good |
good |
excellent |
good |
| high concentration alkali |
good |
good |
good |
excellent |
good |
| low concentration alkali |
good |
good |
good |
excellent |
good |
| application |
tyre, rubber shoes, rubber pipe, adhesive tape, air spring |
tyre, rubber shoes, rubberized fabrics, sports products, mattress, accumulator shell, adhesive tape |
car & air plane tyre, rubber shoes, shock absorber rubber, adhesive tape, rubber pipe |
wire sleeve, conveying line shock absorber rubber, window & door wedge, rubber adhesives, rubberized fabrics |
oil seal, washer, oil-resistant rubber pipe, printing rubber roller, textile leather roller |
