Hard Silicone Foam

Silicone foam SY-420 is a hard silicone foam, with a density of 420kg/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

Download

Hard Silicone Foam Data Sheet

Test Item	Unit	Test standard	Result
Density	g.cm-3	ASTM D 1056	0.42±0.03
Compressive stress, 25%	kPa	ASTM D 1056	110 ± 15
Compression set	%	ASTM D 1056 @ 100℃	≤ 5.0
Tensile strength	MPa	GB/T 528-2009	≥ 0.4
Elongation	%	GB/T 528-2009	≥ 100
Water absorption	%	Internal test	≤ 5.0
Environmental protection test	/	RoHS 、REACH	qualified
Flame retardancy	/	UL94-2013	V-0
Smoke density	/	BS 6853 Appendix D	A0≤220
Smoke toxicity	/	BS 6853 Appendix B	R≤5
Surface flame propagation velocity	/	BS 476-7	second level
CHF value of flame extinction	kW/m2	BS 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-2009	qualified
Low temperature bending	/	ASTM D 1056	-55 ℃ qualified
Dielectric strength	kV/mm	GB/T 1695-2005	≥ 2.5
Volume resistivity	Ω ·cm	GB/T 1692-2008	≥ 10^15
Thermal conductivity	W/(m· K)	ASTM C518	0.06

Hard Silicone Foam Thickness

Thickness(inch)	Thickness(mm)	Tolerance(mm)
1/32	0.79	±0.1
1/16	1.6	±0.2
3/32	2.39	±0.2
1/8	3.18	±0.25
3/16	4.76	±0.25
1/4	6.35	±0.25
3/8	9.53	±0.6
1/2	12.7	±0.6
3/4	19.05	±2.0
1	25.4	±2.0
The material comply with GB / T18944 1-2003 allowable dimensional tolerances in high polymer porous elastic materials, sponges and porous rubber products.

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.

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.

Hard Silicone Foam SY-420 Data Sheet

1 file(s) 589.81 KB

Download

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.