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Plastazote – LD33

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

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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By |2018-10-28T14:16:15+00:00October 16th, 2018|Comments Off on Plastazote – LD33

About the Author:

PROTECTIVE FOAM PACKAGING (Riayk Ltd) is a specialist manufacturer and supplier of a wide range of cut sheet, rolls, Foam die cut inserts, die cut parts or foam packaging end caps

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22 EDGEMOOR MEADOW
CANNOCK
WS123XY

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