Alveolen
Alveolen - physically crosslinked, closed cell polyolefin foams, produced in continuous sheets, horizontally foamed with two process skins.
Density range*: 25 - 250 kg/m³
Thickness range*: 3 - 12 mm
Width range*: 1300 - 2500 mm
*depending on type/grade
Main characteristics of Alveolen
- thickness range between 3 and 12 mm (single layer). Multi layer up to 40 mm
- excellent physical properties
- can be supplied with flame retardant characteristics (in accordance with German DIN 4102 - B1and B2, Automotive FMVSS 302)
- choice of softness according to type and grade
- regular, closed-cell structure
- excellent thermoplastic properties, in particular thermo and pressforming characteristics
- wide working temperature range
- excellent thermal insulation characteristics
- very good impact sound insulation properties
- low water absorption values
- very low water vapour permeability
- good weatherability
- inertness to most chemicals
- no odour
- ecologically and chemically neutral
- safe disposal by recycling, dumping or incineration
Types
Alveolen types are defined by specific characteristics and are based on different formulations:
- NA standard type
- NA CO electrically conductive
- NA FMV flame retardant according to FMVSS 302
- NA FR flame retardant according to DIN 4102 - B2
- NA FR HF halogen free, flame retardant
- NA FRB improved flame retardant (DIN 4102 - B1 on special request)
- NE soft and elastic
- NEE excellent soft and elastic
- NEP, PE foam fulfilling Ford leakage specification
- NES extremely soft and elastic
- NLB improved heatpress formability
- NP (A) FRV, PP foam, fulfilling VW’s PV 3357 specification
- NP DM G soft and good dimensional stability
- NP G, PP foam, high dimensional stability and vacuumformability
- NP FR G good dimensional stability, vacuumformability and FMVSS 302
- NPA FR G high dimensional stability, vacuumformability and FMVSS 302
- NSR II highly super soft and elastic
- NT increased hardness and temperature stability
- NT FR flame retardant according DIN 4102 - B2 and FMVSS 302
- N_ SAN* anti-microbial (Sanitized")
* on request any Alveolen type is available in SAN formulation