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Foam Rubbers
Closed cells are what distinguish cell rubber from other spongy rubber varieties. This characteristic makes it completely water and gas tight, elastic, suitable as sealer and anti-fungal. Cell rubber is used as sealing material, in vibration isolation, acoustic insulation and temperature insulation. Cell rubber can be supplied in various qualities:
NR (Natural Rubber): very elastic, cold-fast, good physical characteristics, not suitable for petrol, oil, grease and not ozone-fast.
SBR (Styrene Butadiene Rubber): Water-resistant, resistant to bases and inorganic acids.
NBR (Nitrile Butadiene Rubber): Resistant to oil, petrol, diesel and butane.
CR (Chloroprene): chemical resistant, well resistant to ozone, weather and ageing; resistant to minerals, silicone oil, alcohol and glycols.
EPDM (Ethylene Propylene Rubber): resistant to hot water and steam; acid-resistant; very well resistant against ozone, weather and ageing.
(Mixtures of these materials are also available.)
Cell rubber is produced on blocks and cut to the desired thicknesses, usually without a skin. Some qualities can be supplied with a skin on one or both sides. This does not influence the characteristics of the material. Cell rubber can be supplied in various ranges. These materials are usually supplied with a self-adhesive layer. Many shapes in nearly every size can be die cut or cut from plates. By being glued together, coiled material can also be delivered, although these materials can also be delivered with a self-adhesive layer.

Bonded Foam
The raw materials for this foam quality are remainders of polyether and polyester foam. After grinding the foam into small pieces, it is bonded to a solid end product with a relatively high specific weight (from 60 to 320 kg/m3). This foam is used in the packaging industry, for acoustic insulation, as subfloor or as sport mat or filling.

Felt can be processed in the same way as foam products, i.e. they can be made self-adhesive, die cut, cut, etc. Felt is used as an acoustic material, for capping, for insulation and to protect products. The basis is the thickness and specific weight and the production method. There are very many types of felt, for instance 100% natural (cotton, wool) and 100% synthetic (polyester, viscose).

Material Properties