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Refined Rubber Powder
It is made of used rubber, applicable for making tires, rubber tube, belt, board, ground pavement, roofage, waterproof roll-roofing, railway sleeper and raw & accessory material for rubber powder modified pitch, according to various messes in the process of raw material selection and techniques control.
The Chemical and Physical Property Index of Refined Rubber Powder:
Q/SHKJ002-2004
Item\Index\
Species, Grade |
Tire Rubber Powder |
Overshoes Rubber Powder |
M iscellaneous Rubber Powder |
Excellent |
First grade |
Qualified |
Excellent |
First grade |
Excellent |
First grade |
Water content, %≤ |
0.80 |
1.00 |
1.20 |
1.00 |
1.20 |
1.00 |
1.20 |
Ash content ,%≤ |
10.00 |
12.00 |
15.00 |
38.00 |
42.00 |
38.00 |
42.00 |
Extraction of acetone, %≤ |
12.00 |
13.00 |
13.00 |
13.00 |
15.00 |
15.00 |
18.00 |
Stretch strength, Mpa≥ |
12.0 |
11.0 |
10.0 |
10.0 |
8.0 |
10.0 |
8.0 |
8.0 |
15.0 |
13.0 |
11.0 |
13.0 |
11.0 |
12.0 |
10.0 |
10.0 |
15.0 |
14.0 |
13.0 |
15.0 |
13.0 |
14.0 |
12.0 |
12.0 |
Elongation rate, %≥ |
480 |
440 |
380 |
420 |
380 |
380 |
350 |
350 |
500 |
460 |
400 |
460 |
420 |
440 |
400 |
400 |
500 |
480 |
420 |
480 |
450 |
460 |
430 |
430 |
Rate of sifting out, %≥ |
90 |
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