Good appearance.
Easy to process and demold, not sticky to rolls.
Good stability up to 200ºC.
Slight replastification after prolonged storage.
Wild range of reloading or blending.
Bright colors easily obtained
Main applications:
Molding article required good balanced mechanical properties ,Molded articles,keypad,
sealing ring, O-Rings, swimming cap etc
Characteristics:
Type (according to GB/T 5576-1997)................................VMQ
Natural color...................................................................... translucent
Curing Condition:
After addition of 1.1% of 2,5-dimethyl-2-5-di(tert-butylperoxy) (at 45%) and
vulcanization for 5min at 175°C.
Mechanical properties:
Item |
Testing Method |
Unit |
Technical Data |
SR130U |
SR140U |
SR150U |
SR160U |
SR170U |
Appearance |
Visual Observation |
|
Translucent |
Translucent |
Translucent |
Translucent |
Translucent |
Density |
ASTM D792 |
g/cm3 |
1.08 |
1.13 |
1.17 |
1.19 |
1.21 |
Hardness |
ASTM D2240 |
Shore A |
29 |
41 |
51 |
59 |
70 |
Tensile Strength |
ASTM D412 |
Mpa |
8.0 |
6.9 |
8.3 |
8.8 |
8.1 |
Elongation |
ASTM D412 |
% |
712 |
534 |
420 |
356 |
248 |
100% Modulus |
ASTM D412 |
Mpa |
0.53 |
0.81 |
1.47 |
1.95 |
3.46 |
Tear Strength |
ASTM D624 Die B |
N/mm |
13 |
14 |
16 |
18 |
20 |
Rebound |
ASTM D395 Method B |
% |
73.2 |
73.3 |
65.9 |
59.6 |
56.6 |
Packaging:20 kg per cardboard boxes.
Storage and shelf life:
This series may be stored in its original unopened packaging at a temperature below 40°C for up to 12 months as
from the date of manufacture.