Porous Expanded Polypropylene

Porous Expanded Polypropylene (P-EPP) is a unique open cell bead that incorporates air pockets within a hollow cylinder-shaped bead structure making it porous and suitable for many different applications.

P-EPP has many beneficial characteristics:

  • Does not support microbial growth
  • Highly durable
  • Resists multiple impacts without damage
  • Sound deadening and acoustical properties for noise reduction
  • Discharges no particles when abraded

Automotive engineers select P-EPP in key applications to reduce noise, vibration and harshness (NVH), with tests showing noise reduction levels of up to ten times that of alternative materials. P-EPP is used extensively in car interiors to reduce noise levels without increasing weight.

Density range

30 – 55 g/l

Trade Names

ARPRO®®,

EPP beads

Key Benefits

Energy Absorption

Excellent resilience and cushioning qualities, P-EPP recovers to its original shape after impact

Lightweight

Significant potential for component weight-saving leading to impressive fuel efficiencies in any mode of transport

Sound Deadening

Can dampen absorb or block sound. Porous P-EPP can provide enhanced acoustic insulation

100% Recyclable

Fully recyclable. Recycled material grades containing granulated end-of-life parts is available

Chemically Inert

Does not react with most chemicals including oil, grease and petroleum

Strength

Durable with high strength to weight ratio

Industry Application

Automotive

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