Silicone Foam

COHRlastic® F-12 and F-20 Rubber provide excellent flame retardance ( UL 94 V-O) with low toxicity and smoke generation in a conformable expanded cellular material. Both the F-12 and F-20 offer excellent compression Set Resistance and excellent resistance to ultravioet light, ozone and extreme temperature ranges for for long-term aging properties. Also, resistant to fungus, moisture, ozone, UV, and weather making it perfect for outdoor gasketing material for outdoor applications.

F-12

Features/ Benefits:

  • UL 94 V-0 Rated
  • Withstands 2100°F Flame for 10 minutes
  • Low levels of toxicity and smoke generation
  • Excellent Compression for Set Resistance
  • Lightweight
  • Can be cast onto various substrates, including heat shielding materials, tear resistant materials, and Vapor barriers

Applications:

  • Automotive & Mass Transit-offers a high degree of design flexibility
  • Aircraft & Aerospace- very low density allows for for weight savings which increases fuel efficiency .
  • Firewall insulation, thermal barriers, noise insulation, and gasketing for commercial and private marine vehicles
  • Can be cast onto aluminum or fibreglass fabrics as a radiant heat shield or insulation blanket

Download Specification Sheet

F-12 Silicone Foam

F-12 Physical Properties

Physical PropertyTest MethodValue
Continuous Length (Yards)up to 36"(914)(Wide)
Tensile Strength (PSI)ASTM D41225
Elongation at Break (%)ASTM D41260
Density (lb.ft³)ASTM D357412
Temperature Range (°F)-60 to +400
(°C)(-51 to +204 )
Vertical Burn (seconds)UL94V-0 and  FAR 25.853B<3
Compression Set (%)ASTM D10565
Thermal Conductivity (BTU-in./hr.- ft² - F)(K Factor)ASTM C1770.42
Compression Deflection (PSI)ASTM D10563.0
Colors - StandardGray
Colors - OptionalWhite, Black, Brown
Surface DescriptionVisualTextured One Side
Thickness/ Tolerance (inch)(mm)(1.59 ±0.40)1/16±1/64
( 3.18±0.79)1/8±1/32
(4.76±0.79)3/16±1/32
(6.35+1.19,-0.79)1/4+3/64-1/32
( 9.53±1.19)3/8±3/64
(12.7±1.19)1/2±3/64
(19.05±1.91)3/4±0.0075
(25.40±2.54)1±0.1

F-20

Features/ Benefits:

  • UL 94 V-0 is flame retardant in thickness >/= 1/16″
  • Meets key industry standards: FAR25.853, Bomardier SMP 800-C, NFPA 1310
  • Meets requirements of FDA extractables 21.CFR177.2600 for food contact
  • Recognized to UL 50E Gasket and Seals for Electrical Enclosures
  • Closed cell foam meets AMS 3195
  • Non-toxic, low smoke generation and low flame spread
  • Smooth on both sides for excellent sealing against air, dust, light, and moisture
  • Non-corrosive for use with metals and in hostile enviroments

Applications:

  • Product of choice in aircraft, aerospace, mass transit, military and electronic applications with extremely stringent smoke, flame and toxicity requirements.
  • Offers excellent resistance to enviromental conditions, making it an excellent choice for both indoor and sealing gasketing applications.

Download Specification Sheet

F-20 Silicone Foam

F-20 Physical Properties

Physical PropertyTest MethodValue
Continuous Length (Yards)up to 36"(914)(Wide)
Tensile Strength (PSI)(kPa)ASTM D41230(207)
Elongation at Break (%)ASTM D41245
Density (lb.ft ³)(kg/m³)ASTM D357420(320)
Compression Set (%)ASTM D1056<5
Compression Deflection (PSI)(kPa)ASTM D105610(70)
ColorsGray, black
Surface DescriptionVisualTextured One Side
Thickness/ Tolerance (inch)(mm)1.6±0.40.0625±0.016
3.2±0.80.125±0.031
4.8±0.80.188±0.032
6.4±0.80.250±0.031
9.5±1.20.375±0.047
12.7±1.30.500±0.050
  Flammability
 Flame Resistance (UL)UL 94 V-0Pass 
Flame Resistance (FAR)FAR 25.853 (12s & 60s)Pass
Flame SpreadmIndex (L1)ASTM E162<15
 Smoke Density (D2)ASTM E6621.5 minutes<20
4.0 minutes<50
 Toxic Gas Emissions RatingSMP-800CPass
 Flame PropagationASTM  C1166 Pass
  Environmental
Stain ResistanceASTM D925-06e2, Method APass
Ozone Effect RatingASTM D1171-99 (2007), Method ANo Cracking
UV Resistance (visual)SAE J1960No Degradation
Water Absorption (%)ASTM D471/ D1056<1
Temperature Range (°C)(°F)--51 to 204(-60 to +400)
FDA Extractables21 CFR 177.2600 (food contact)Pass
Gasket and Seals for Electronic EnclosuresUL 50 EPass
Electrical and Thermal
Dielectric Strength - volts/ mil (VPM)ASTM  D14980
Dielectric ConstantASTM D1503.5
Dissipative FactorASTM D1500.03
Dry Arc Resistance (seconds)ASTM D495127
Volume Resistivity (ohms-cm)ASTM D2573.39 x 10 14
 Thermal Conductivity (W/m°K)ASTM C5180.074
 Thermal Insulation (R-Value)(ft.² x h x °F/ Btu x in)ASTM C5181.94
 Low Temperature Embrittlement (°C)(°F)DMA-100 (-148)

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