Advantages
- Easy to handel
- No Pollution created by carbon black addition
- Shorter mixing times
- No bale cuttter needed
Dose usage
Y phr of Karlet N3XB to be used at every 100 phr-based compound
Karlet Types
No. |
Name of Product |
X |
Y |
1 |
Karlet N370B |
70 |
189.5 |
2 |
Karlet N360B |
60 |
164.5 |
3 |
Karlet N350B |
50 |
122.5 |
4 |
Karlet N340B |
40 |
112.5 |
Example of Compound Formulation
A. Formulation
1. Karlet N360B 164.5 phr 2. Zinc Oxide 4.0 phr 3. Stearic Acid 3.0 phr 4. Accelarator 0.6 phr 5. Sulfur 1.7 phr
B. Curing Characteristic (150°C)
- M HR3 kg. cm 85.5
- M L3 kg. cm 18.1
- M 903 kg. cm 78.8
- Optimum cure, minute 10.8
- Scorch time, minute 3.0
- CRI, poiont/ minute 12.9
C. Mooney Viscosity, ML (1+4) 100°C : 51.0
D. Physical Properties
- Hardness, Shore A 61.0
- Tensile Strength, MPa 26.0
- Modulus 100%, MPa 2.2
- Elongation at Break, % 600.0
No. |
Paramater |
N370B |
N360B |
N350B |
N340B |
1. |
Curing Chracteristic (150°C) | ||||
| > M HR3 kg.cm | 89.2 |
85.5 |
77.0 |
74.0 |
|
| > M L3 kg.cm | 28.5 |
18.1 |
16.2 |
16.0 |
|
| > M 903 kg.cm | 83.1 |
78.8 |
70.9 |
68.2 |
|
| > Optimum cure, minute | 10.0 |
10.8 |
11.2 |
11.6 |
|
| > Scorch time, minute | 2.8 |
3.0 |
3.4 |
3.8 |
|
| > CRI, point/minute | 13.2 |
12.9 |
12.2 |
11.8 |
|
2. |
Mooney viscosity, ML (1+4) 100°C | 55.2 |
51.0 |
48.4 |
46.8 |
3. |
Physical Properties | ||||
| > Hardness, Shore A | 70.0 |
61.0 |
50.0 |
42.0 |
|
| > Tensile Strength, N/mm² | 24.2 |
26.0 |
25.0 |
22.0 |
|
| > Modulus 100%, N/mm² | 3.0 |
2.2 |
2.0 |
1.8 |
|
| > Elongation at Break, % | 560.0 |
600.0 |
550.0 |
500.0 |