NBR Wave Foam for Sound Absorber

• Customization: Available
• Denstiy: 50-90kg/M3
• Hardness Shore C: 10-20
• Model NO.: NBR foam
• Tensile: >3MPa
• Elongation: >120%
• Tearing Strength: 260n/M
• Compression Strength: >30+/-10kpa
• Dimensional Change: <3.2%
• Thermal Conductivity: <0.038W/M.K
• Absorbent: <0.04kg/Cm2
• Buring Speed: 50mm/Min
• Kind: Color Plastic Sheet
• Contraction Percentage: 2.0%~5.0%
• Tensile Strength: 3.46MPa
• Material: NBR, EPDM, Cr, EVA
• Transport Package: Plastic Bag in Cartons
• Specification: ROHS. SGS
• Trademark: Topsun
• Origin: Changzhou. China
• HS Code: 3921199000
• Production Capacity: 5000000PCS/Month

Product Description

NBR/PVC Foam in sheet or in roll for Sound absorber:

1, Closed Cell NBR/PVC Foam for the Automotive always with the density 70-90kgs/m3, with the one side or both sides skin, or one side skin, another side with the adhensive
2, Closed Cell NBR/PVC Foam for the Construction always with the density45-55kgs/m3, and with the both sides skin
3, Open Cell NBR/PVC Foam for the Automotive always with the density 60-70kgs/m3, both sides skin ,and thickess from 20mm to 32mm, and the open cell nbr/pvc with the slowly rebond,, the good using for the Automotive...
4, With the SGS, ROHS Ceritifcations

5, And the large applications : for the Automotive, Construction and Builing, Electrioncs, Packing...

 

Testing Items	Unite	Standard (GB/T 17794-2008)	Testing Result
Apperance		Smooth surface, no bubbles and cracks	Smooth surface, no bubbles and cracks	Pass
Density	kg/m3	≤95	69	Pass
Water Absorption(vacuum)	%	≤10	9	Pass
Compression rebound rate (compression ratio 50%, 72h)	%	≥70	91	Pass
Dimensional Stability (105ºC,7d)	%	≤10.0	7.2	Pass
Thermal conductivity              (Average Temperature 40ºC)	W/ (m • K)		0.041	Pass
Oxygen Index	%	≥26	28.1	Pass
Tensile Strength	MPa	--	0.014	--
Tensile Break Rate	%	--	14.64	--
Tear Strength	N/cm	--	7.8	--
Temperature resistance,Low tempreture(-40ºC±1ºC,5h)		Soft, no Cracking		Pass
Temperature resistance, High tempreture(105ºC±3ºC,7d)		≤10.0	7 .14
COMPRESSION  DEFLECTION	Kpa	≤5.0	2.9

 

Topsun, the Professional supplier for the Foams for the large used for Construction/Bluiding, Marine, Automotive, Insulation, Packing, Shoes and Footwear, Sport/GYM Production....

 

Any other details, pls connect with us freely, Warmly Welcome and Servcie for you in 24HRS...

topsunfoam.en.made-in-china.com