Plastazote - LD33

Plastazote – LD33

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

Product Description

Application : LD33 is an effective replacement for neoprene and natural rubbers, PVC foam, polyurethane foam etc.LD33 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

33

Recommended operating temperature range Internal to manufacturer Max °C

+105

Min °C

-70

Compression stress – strain characteristics EN ISO 3386/1 1997
BS 443 Pt1 : 5a 1988
25% Compression DIN 53572 1986 kPA

40

40% Compression kPA

75

50% Compression kPA

115

60% Compression kPA

175

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

27

48 hrs 20% compression 23°C, ½ hr recovery

7

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

690

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

455

Elongation at break %

135

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

30

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

0.13

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

0.040

Horizontal burning characteristics ISO 3582 1978
BS 4735 1974
Thickness 5mm mm/sec

1.5

Thickness 13mm mm/sec

1.1

  FMVSS.302  

Pass at 7mm thickness and above

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

54

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