Rubber Sponge

Rubber Sponge is a kind of microporous, low-density, compressible polymer elastomer material made of silicone rubber raw rubber, vulcanizing agent, foaming agent, etc., after being mixed evenly and vulcanized at high temperature.

Color: Grey | Black | White | Red
Width: 500mm | 960mm
Density(g/cm3): 0.18 | 0.2 | 0.25 | 0.35 | 0.42 | 0.5
Length: Customize
Thickness(mm): 0.8 | 1.6 | 2.4 | 3.2 | 4.8 | 6.4 | 9.5 | 12.7
Samples: A4 Size

Data Sheet

Features

Applications

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Rubber Sponge Data Sheet

Test Item	Unit	Test standard	SY-180	SY-200	SY-250	SY-350	SY-420	SY-500
Density	g.cm-3	ASTM D 1056	0. 18±0.03	0.2±0.03	0.25±0.03	0.35±0.01	0.42±0.03	0.5±0.05
Compressive stress, 25%	kPa	ASTM D 1056	10 ± 3	20 ± 3	30 ± 10	60 ± 10	110 ± 15	145 ± 15
Compression set	%	ASTM D 1056100℃@50%	≤ 3.0			≤ 5.0
Tensile strength	MPa	GB/T 528-2009	≥ 0.3				≥ 0.4
Elongation	%	GB/T 528-2009	≥ 90				≥ 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	≥ 2.0			≥ 3	≥ 3.5	≥ 4
Volume resistivity	Ω ·cm	GB/T 1692-2005	≥ 1.0*10^15
Thermal conductivity	W/(m· K)	ASTM C518	0.04	0.06

Rubber Sponge Features

Meet the most stringent fire retardant requirements
Long-term temperature resistance :(-60℃~200℃)
Good resilience, good long-term sealing
Long life:10-30 years

Rubber Sponge Applications

Sealing, heat insulation, seismic, sound insulation, fire prevention, insulation, anti-static, anti-aging, anti-wear
Used for aviation, automobile, high-speed railway digital products
The automotive industry, lamp seals, air conditioning, dashboard, engine insulation, and cushion.
In the construction industry, sealing and leakproof, fire prevention and shock release, pipe insulation
Rail transit, shockproof insulation, sound insulation, and fire prevention
The shipbuilding industry, sealing, fire prevention
Electronic industry, sealing, fire prevention, heat insulation, insulation
Aerospace, sealing, shock absorption, thermal insulation
Automotive industry: light baffle, door mirror, car taillight, door, trunk seals, engine shock absorption materials.