Plastazote - LD24

Plastazote – LD24

A closed cell, cross-linked polyethylene foam which is produced as a pure chemically inert foam without blowing agent residues.

Product Description

Application : LD24 is an effective replacement for neoprene and natural rubbers, PVC foam, polyurethane foam etc.This foam can be used in a wide application area including defence, electronics, leisure, packaging, sealing, gasketing, cushion packaging, vibration and insulation pads, case inserts, buoyancy aids, body protection, leisure/sports padding etc.
Property Test Method  Units

Typical
Value

Density
Skin/Skin (s/s)
EN ISO 845 1995
BS 4443 Pt1 : 2 1988
DIN 53420 1978
kg/m³

24

Recommended operating temperature range Internal to manufacturer Max °C

+95

    Min °C

-70

Compression stress – strain characteristics EN ISO 3386/1 1997
BS 443 Pt1 : 5a 1988
 

25% Compression DIN 53572 1986 kPA

35

40% Compression   kPA

65

50% Compression   kPA

100

60% Compression   kPA

150

Compression set
s/s thickness
72 hrs 50% compression 23°C, ½ hr recovery
EN ISO 1856 1996
BS 4443 Pt1 : 6b 1988
DIN 53572 1986
% set

32

Tear strength EN ISO 1856 1996
BS 4443 Pt6 : 15 1991
N/m

410

Tensile strength ISO 1798 1983
BS 4443 Pt1 : 3a 1988
DIN 53571 1986
kPA

340

Elongation at break   %

105

Water vapour transmission Temperature = 38°C Relative humidity gradient” ISO 1663 1981
BS 4370 Pt2 : 8 1993
DIN 53429 1971
µg/m²/sec

43

Permeability
Sample = 25mm thick
  ng/Pa/s/m

0.19

Water absorption DIN 53428 1986    
1 Day   % vol

0.1

7 Days   % vol

0.3

14 Days   % vol

0.4

28 Days   % vol

0.5

Thermal conductivity Tested at mean temp of 10°C ISO 8302 1991
BS 874 Pt2 : 2.1 1986
W/m.K

0.037

Horizontal burning characteristics ISO 3582 1978
BS 4735 1974
 

Thickness 5mm   mm/sec

2.1

Thickness 13mm   mm/sec

1.4

 

 

FMVSS.302  

Pass at 12mm thickness and above

Shore hardness 00 scale (min 10mm c/c thickness) ISO 868 1985
BS 2782: Pt3
Method 365B : 1992
 

43

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