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Extremely Hard Silicone Foam

Silicone foam SY-500 is an extremely hard silicone foam, with a density of 500kg/m3.

  • Color: Black | Grey | White | Red
  • Thickness(inch): 1/32 | 1/16 | 3/32 | 1/8 | 3/16 | 1/4 | 3/8 | 1/2| 3/4 | 1
  • Thickness(mm): 0.79 | 1.6 | 2.39 | 3.18 | 4.76 | 6.35 | 9.53 | 12.7 | 19.05 | 25.4
  • Width: 500mm | 600mm | 960mm
  • Length: Customize
  • Free samples: A4 Size
  • Optional: Die-cuts, Rolls, Laminated double-sided tapes.
Data Sheet
Thickness
Features
Applications
TDS Download

Extremely Hard Silicone Foam Data Sheet

TestItemUnitTeststandardResult
Densityg.cm-3ASTM D 10560.5±0.05
Compressive stress, 25%kPaASTM D 1056110 ± 15
Compression set%ASTM D 1056 @ 100≤ 5.0
Tensile strengthMPaGB/T 528-2009≥ 0.4
Elongation%GB/T 528-2009≥ 100
Water absorption%Internal test≤ 5.0
Environmental protection test/RoHS REACHqualified
Flame retardancy/UL94-2013V-0
Smoke density/BS 6853 Appendix DA0≤220
Smoke toxicity/BS 6853 Appendix BR≤5
Surface flame propagation velocity/BS 476-7second level
CHF value of flame extinctionkW/m2BS ISO 9239- 1≥8
Maximum smoke density DS MAX/EN ISO 5659-2≤ 150
Traditional toxicity index Citg/EN ISO 5659-2≤0.75
Combustion produces toxic gases/SMP 800-C-2009qualified
Low temperature bending/ASTM D 1056-55 qualified
Dielectric strengthkV/mmGB/T 1695-2005≥ 2.5
Volume resistivityΩ ·cmGB/T 1692-2008≥ 10^15
Thermal conductivityW/(m· K)ASTM C5180.06

Extremely Hard Silicone Foam Thickness

Thickness(inch)Thickness(mm)Tolerance(mm)
1/320.79±0.1
1/161.6±0.2
3/322.39±0.2
1/83.18±0.25
3/164.76±0.25
1/46.35±0.25
3/89.53±0.6
1/212.7±0.6
3/419.05±2.0
125.4±2.0
The material comply with GB / T18944 1-2003 allowable dimensional tolerances in high polymer porous elastic materials, sponges and porous rubber products.

Extremely Hard Silicone Foam Features

  • Excellent flame retardant.
  • Excellent aging resistance and weather resistance.
  • Excellent memory and low-stress relaxation reduce maintenance costs associated with gasket failures.
  • Resistance to ultraviolet light, ozone, and extreme temperatures(-60 ~ 200 ℃) enables consistent performance.
  • Excellent electric insulation.
  • Steady-going storage.

Extremely Hard Silicone Foam Applications

  • It is an ideal material for shock absorption, cushioning, sound insulation, protection, insulation, and fire prevention.
  • Lighting, HVAC equipment, electrical control cabinets, 5G base stations, etc.
  • Isolation within electronic devices and vehicles.
  • Application in new energy power battery PACK.
  • Environmental sealing, protection of outdoor equipment, dust-proof, moisture-proof, airtight or shading, such as lighting, HVAC equipment, and
  • electrical control cabinets.
  • Isolation within electronic devices and vehicles.
  • Buffer pads and gaskets.

Note: All the above data are just for reference, all data might change without notices or updates, please contact our sales team to confirm all details Via Whatsapp or Email.

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+86-158-7555-3143

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