INTERNATIONAL SHIPPING
Approvals and Conformities
Product Attributes
Country of Origin
United States
Size
1/8" x 36" x 10 Yard
Shipping Weight
81 pounds
ECCN
EAR99
Color Family
Gray
Manufacturer P/N
SNS 520AFGR 1/8
Schedule B Code
4008.11.0000
Pack Quantity
54
Size
1/8" x 36" x 10 Yard
Color
Gray
Would you be interested in a lovely foam rubber? We sell it by the yard. No, this is not for your discriminating fashion sense. COHRlastic F-20 medium density closed cell silicone foam rubber is meant for flame-retardant and environmentally stable insulation, gasketing and damping applications. You'll find it has exceptional compression set resistance and is frequently used in aerospace and military applications that have strict flame, smoke and toxicity specifications. It is resistant to environmental factors such as extreme temperatures, moisture, fungus and ultraviolet light, making it ideal for both indoor and outdoor use. SkyGeek.com has been supplying the skies with a wide selection of premium quality aircraft specialty supplies since 2003. Let our ace customer support team answer your questions and help you find exactly what you need!
Features
- Flame retardant UL 94 V-0 in thickness = 1/16" (1.59 mm)
- Meets key industry standards: FAR 25.853, Bombardier SMP 800-C, NFPA 130
- Recognized to UL 50E Gasket and Seals for Electrical Enclosures
- Non-toxic, low smoke generation and low flame spread
- Smooth on both sides for excellent sealing against air, dust, light and moisture
- Excellent compression set resistance
- Excellent resistance to ultraviolet light, ozone and extreme temperature ranges
- Meets requirements of FDA extractables 21.CFR177.2600 for food contact
- Closed cell foam meets AMS 3195
- Non-corrosive for use with metals and in hostile environments
- Available as pressure-sensitive adhesive tapes
- Strip-N-Stick version available as 520AF for both black and gray colors
- Provided in roll stock for ease of conversion
| Property | Unit of Measure | Value | Test Method |
| PHYSICAL | |||
| Colors | – | Gray, black | – |
| Tensile Strength | psi (kPa) | 30 (207) | ASTM D412 |
| Elongation at Break | % | 45 | ASTM D412 |
| Density | lb./ft.3 (kg/m3) | 20 (320) | ASTM 3574 |
| Compression Deflection | psi (kPa) | 10 (70) | ASTM D1056 |
| Compression Set (50% for 22 hrs. at 212°F) | % | <5 | ASTM D1056 “D" |
| Surface Description | – | Smooth both sides | – |
| Continuous Length | yards | Up to 36" (914 mm) wide | – |
| Thickness/Tolerance | inch (mm) | 0.0625 ± 0.016 (1.6 ± 0.4) 0.125 ± 0.031 (3.2 ± 0.8) 0.188 ± 0.032 (4.8 ± 0.8) 0.250 ± 0.031 (6.4 ± 0.8) 0.375 ± 0.047 (9.5 ± 1.2) 0.500 ± 0.050 (12.7 ± 1.3) | – |
| FLAMMABILITY | |||
| Flame Resistance (UL) | – | Pass | UL 94 V-0 |
| Flame Resistance (FAR) | – | Pass | FAR 25.853 (12s & 60s) |
| Flame Spread Index | L1 | <15 | ASTM E162 |
| Smoke Density | D2 | 1.5 minutes <20 4.0 minutes <50 | ASTM E662 |
| Toxic Gas Emissions Rating | – | Pass | SMP-800C |
| Flame Propagation | – | Pass | ASTM C1166 |
| ENVIRONMENTAL | |||
| Stain Resistance | – | Pass | ASTM D925-06e2, Method A |
| Ozone Effect Rating | – | No cracking | ASTM D1171-99 (2007), Method A |
| UV Resistance | visual | No degradation | SAE J1960 |
| Water Absorption | % | < 1 | ASTM D471/D1056 |
| Temperature Range | °C (°F) | -51 to 204 (-60 to 400) | – |
| FDA Extractables | – | Pass | 21 CFR 177.2600 (food contact) |
| Gasket and Seals for Electronic Enclosures | – | Pass | UL 50E |
| ELECTRICAL AND THERMAL | |||
| Dielectric Strength | volts/mil (VPM) | 80 | ASTM D149 |
| Dielectric Constant | – | 3.5 | ASTM D150 |
| Dissipative Factor | – | 0.03 | ASTM D150 |
| Dry Arc Resistance | seconds | 127 | ASTM D495 |
| Volume Resistivity | ohms-cm | 3.39 x 1014 | ASTM D257 |
| Thermal Conductivity | W/m°K | 0.074 | ASTM C518 |
| Thermal Insulation (R-Value) | ft.2•h•°F/Btu•in | 1.94 | ASTM C518 |
| Low Temperature Embrittlement | °C (°F) | -100 (-148) | DMA |