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Bellofram Silicone Solid Molded Products

Molded products from Bellofram Silicones offer solid silicone construction, available in 30 to 80 shore “A” durometer. Material choices range from economical commercial grade to high-performance low-temperature, and flex- and tear-resistant grades. They can be tinted to most colors.

Our in-house mixing of custom formulations allow us to produce solid silicone molded products to confirm to ASTM, SAE, MIL-STD, and other military and industrial specifications. A fully approved NSF 51 version produced with FDA ingredients is also available, in applications where FDA compliance is required. For rush jobs, we can match one of our compounds with a profile of your design to find a quick solution to even your most complex sealing needs.


MATERIAL PROPERTIES OF BELLOFRAM SILICONES HIGH TEAR AND FLEX RESISTANT SOLID SILICONE 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


Solid silicone molded products
MATERIAL PROPERTIES OF BELLOFRAM SILICONES SOLID SILICONE MOLDED PRODUCTS
COMPOUND MODEL ASTM D2000-08 DESIGNATION DUROMETER SHORE "A" TENSILE (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 1350 Change in Tensile Strength, ±30% Change in Elongation, -50% Change in Durometer, ±15 pts Volume change, +64% 14%
8404 ASTM D2000 M1GE405 40 ± 5 1235 Volume change, +62% 16%
8504 ASTM D2000 M1GE505 50 ± 5 1100 Volume change, +49% 18%
8604 ASTM D2000 M1GE605 60 ± 5 725 Volume change, +47% 26%
8704 ASTM D2000 M1GE705 70 ± 5 900 Volume change, +38% 28%
8804 ASTM D2000 M1GE805 80 ± 5 1000 Volume change, +30% 23%


MATERIAL PROPERTIES OF BELLOFRAM SFLAME RETARDANT SOLID SILICONE MOLDED PRODUCTS
COMPOUND MODEL ASTM D2000-08 DESIGNATION DUROMETER SHORE "A" TENSILE (PSI) HEAT AGE, 70 Hours @ +225 °C OIL IMMERSION IRM 903 70 hrs @ +150°C COMPRESSION SET, 22 hrs @+175°C MEETS BURN REQUIREMENTS OF UL 94 V-0
8309 ASTM D2000 M1GE305 30 ± 5 1350 Change in Tensile Strength, ±30% Change in Elongation, -50% Change in Durometer, ±15 pts Volume change, +64% 14% PASS
8409 ASTM D2000 M1GE405 40 ± 5 1235 Volume change, +62% 16% PASS
8509 ASTM D2000 M1GE505 50 ± 5 1100 Volume change, +49% 18% PASS
8609 ASTM D2000 M1GE605 60 ± 5 725 Volume change, +47% 26% PASS
8709 ASTM D2000 M1GE705 70 ± 5 900 Volume change, +38% 28% PASS
8809 ASTM D2000 M1GE805 80 ± 5 1000 Volume change, +30% 23% PASS


MATERIAL PROPERTIES OF BELLOFRAM NSF/ANSI 51 COMPLIANT SOLID SILICONE MOLDED PRODUCTS
COMPOUND MODEL ASTM D2000-08 DESIGNATION DUROMETER SHORE "A" TENSILE (PSI) HEAT AGE, 70 Hours @ +225 °C OIL IMMERSION IRM 903 70 hrs @ +150 °C COMPRESSION SET, 22 Hrs @+175°C NSF/ANSI 51 CERTIFIED
8304-NSF ASTM D2000 M1GE305 30 ± 5 1350 Change in Tensile Strength, ±30% Change in Elongation, -50% Change in Durometer, ±15 pts Volume change, +64% 14% YES
 8404-NSF  ASTM D2000 M1GE405 40 ± 5 1235 Volume change, +62% 16% YES
ASTM D2000 M1GE505 50 ± 5 1100 Volume change, +49% 18% YES
8604-NSF ASTM D2000 M1GE605 60 ± 5 725 Volume change, +47% 26% YES
8704-NSF ASTM D2000 M1GE705 70 ± 5 900 Volume change, +38% 28% YES
8804-NSF ASTM D2000 M1GE805 80 ± 5 1000 Volume change, +30% 23% YES
Solid Silicone Molded 
8304-NSF
Solid Silicone Molded 
8304
Solid Silicone Molded 
8305
Solid Silicone Molded 
8309
Solid Silicone Molded 
8404-NSF
Solid Silicone Molded 
8404
Solid Silicone Molded 
8409
Solid Silicone Molded 
8504-NSF
Solid Silicone Molded 
8504
Solid Silicone Molded 
8505
Solid Silicone Molded 
8509
Solid Silicone Molded 
8604-NSF
Solid Silicone Molded 
8604
Solid Silicone Molded 
8609
Solid Silicone Molded 
8704-NSF
Solid Silicone Molded 
8704
Solid Silicone Molded 
8709
Solid Silicone Molded 
8804-NSF
Solid Silicone Molded 
8804
Solid Silicone Molded 
8809