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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.

Contact AdhTapes

Feel free to contact the AdhTapes team via WhatsApp, WeChat, Email, or Phone Calls for any questions you may have,
our well-trained operation team is ready to give you the answers you need. 
Sales - Mr Jason
Sales - Mrs Lulu
Sales - Mr Tom
Sales - Mrs Sasa

    +86-755-2301-3143
    +86-158-7555-3143
    NO.57 Houting Second Industry Area Shajing Baoan Shenzhen China 518104

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