X-34-4347-A/B, X-34-4352-A/B
Low-density LIMS (liquid silicone rubber injection molding system) is suitable for reducing the weight of rubber components. LIMS enables automation, flashless, runnerless and molding time reduction.
Injection | When heating | ||
---|---|---|---|
Normal | Clamping pressure: low | Evacuating | |
Finished product | Middle density |
Low density |
Low density |
Grade | Low density and High strength | Super low density | |||
---|---|---|---|---|---|
Parameter Product name | X-34-4347-A/B | X-34-4352-A/B | |||
Appearance |
Reddish brown | Reddish brown | |||
Viscosity 0.9s-1 Pa·s |
A: 223 / B: 226 | A: 248 / B: 265 | |||
Curing speed at 130°C (MDR) s |
T10 | 34 | 32 | ||
T90 | 65 | 55 | |||
Standard molding condition |
Primary cure | 140°C×35 s | 140°C×35 s | 140°C×30 s | 140°C×30 s |
Post cure | No need | 150°C×1 h | No need | 150°C×1 h | |
Hardness Durometer A |
38 | 40 | 34 | 38 | |
Density g/cm3 |
0.90 | 0.94 | 0.47 | 0.63 | |
Linear shrinkage % |
2.0 | 3.0 | -7.0* | 4.0 | |
Tensile strength MPa |
5.5 | 5.4 | 1.6 | 2.2 | |
Elongation at break % |
600 | 560 | 500 | 630 | |
Tear strength Crescent kN/m |
9 | 9 | 6 | 6 | |
Compression set 150°C × 22 h % |
20 | 15 | - | - |
* 7% swelling