Custom Made Solid Silicone Molded Products Quality Choice
Bili Rubber & Plastic offers solid silicone construction, available in 30 to 80 shore “A” durometer, and in material choices from economical commercial grade to high-performance low-temperature, flex and tear resistant specification grades. These products can be tinted to most colors. Our in-house mixing of custom formulations allow us to produce materials to the ASTM, SAE, MIL-STD, and other military and industrial specifications.
Wanting to get started right away? No problem! Just refer to the helpful charts below to match one of our 30 to 80 durometer SHORE “A” compounds with a profile of your design to find a quick solution to even your most complex sealing needs.
| MATERIAL PROPERTIES OF BELLOFRAM HIGH TEAR AND FLEX RESISTANT SOLID SILICONES MOLDED PRODUCTS | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SOLID SILICONE MOLDED PRODUCTS TO SPEC TO SPEC A-A-59588 CL3B, GR30, GR50 |
ASTM D395 | Heat Age, 70 Hours @ +200°C (ASTM D573) | ASTM D2137 | ASTM D471 |
ASTM D813 |
ASTM D2632 |
||||||
| COMPOUND MODEL |
DUROMETER, SHORE “A” |
TENSILE STRENGTH min MPa (psi) |
ELONGATION % min. |
TEAR RESISTANCE, kN/m (ppi) |
COMPRESSION SET, 70 Hours @ +100°C |
HARDNESS CHANGE | TENSILE CHANGE | ELONGATION CHANGE | BRITTLE POINT, min. °C (°F) |
WATER IMMERSION, VOLUME CHANGE % |
DeMATTIA FLEX, (1/2 inch max crack growth) |
IMPACT RESILIENCE, min % |
| 8305 | 30 ± 5 | 6.9 (1000) |
500 | 26.25 (150) |
25 | ± 5 | -20% | -35% | -70 (-94) | +5 | 500,000 cycles | 40 |
| 8505 | 50 ± 5 | 8.28 (1200) | 500 | 26.25 (150) |
20 | ± 10 | -25% | -30% | -70 (-94) | +5 | 140,000 cycles | 45 |
| MATERIAL PROPERTIES OF BELLOFRAM SOLID SILICONE MOLDED PRODUCTS | ||||||
|
COMPOUND MODEL |
ASTM D2000-08 DESIGNATION |
DUROMTER SHORE “A” |
TENSILE MPa (psi) |
HEAT AGE, 70 Hours @ +225 °C |
OIL IMMERSION IRM 903 70 hrs @+150 °C |
COMPRESSION SET, 22 Hours @ +175°C |
| 8304 | ASTM D2000 M1GE305 | 30 ± 5 | 5 ( 725 ) | Change in Tensile Strength, ±30% Change in Elongation, -50% Change in Durometer, ±15 pts |
Volume change, +80% | 50% max. |
| 8404 | ASTM D2000 M1GE405 | 40 ± 5 | 50% max. | |||
| 8504 | ASTM D2000 M1GE505 | 50 ± 5 | 70% max. | |||
| 8604 | ASTM D2000 M1GE605 | 60 ± 5 | 70% max. | |||
| 8704 | ASTM D2000 M1GE705 | 70 ± 5 | 50% max. | |||
| 8804 | ASTM D2000 M1GE805 | 80 ± 5 | 50% max. | |||





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