PRODUCTS
AND SERVICES

7129-BMS - Closed Cell Silicone Sponge Molded Elastomer - Compression Deflection, 2-6


DESCRIPTION

Bellofram Silicones 7129-BMS is one of three grades of extruded closed cell silicone sponge rubber intended for aircraft and other aerospace related applications. Materials meet a 12-second flammability requirement and are suitable for temperatures up to +350°F.

Contact us at siliconesRFQ@bellofram.com to request a free product sample or quotation.

FEATURES

  • Handles temperature extremes
  • Ozone resistant
  • Excellent gasket material
  • Low closure force
  • Very low compression set
  • Ultraviolet ray (UV) resistant

MATERIAL SPECIFICATIONS

  • BMS 1-60 GRADE A

TYPICAL PHYSICAL PROPERITIES

PROPERTY  TEST METHOD SPECIFICATION
Grade DesignationBMS 1-60Grade A
Compression Deflection BMS 1-60 2 to 6 PSI
Density MaxBMS 1-6037 lbs/ft3
Water Absorption BMS 1-60 15% Max
Compression Set (22 Hours @ +212°F/+100°C) BMS 1-60 35% Max
Elongation % BMS 1-60 100% Max
Flammability Max BMS 1-60

15.0 Seconds Extinguish Time

3.0 Seconds Drip Extinguish Time

4.0 Inches Maximum Burn Length

High Temperature Stability (70 Hours @ +350°F/+177°C)

BMS 1-60 No evidence of cracking, charring, surface tackiness, or other forms of degradation

Data noted above is based on laboratory tests and should be used as a reference only. Further information and additional specifications are available upon request. Tests, claims, representations, and descriptions regarding flammability are based on standard laboratory tests, and they may not be reliable for determining, evaluating, predicting, or describing the flammability or burning characteristics under actual fire conditions, whenever used alone or in combination with other products. Accordingly, each potential user should make an individual determination whether the flammability or burning characteristics of the product are suitable for the purpose intended by the user.