MED PACKs are shape moulded expanded polystyrene (EPS) shipping and storage containers made specifically for the medical supply industry. Variable densities and sizes are available to meet strict medical guidelines for transporting and shipments. Our lightweight EPS solution is a cost effective while providing excellent thermal insulating performance.

  • Extremely cost-effective and lightweight excellent thermal insulation
  • Structurally strong with compressive strength and moisture resistance
  • Your choice of foam density
  • Foam shippers, foam liners, and foam coolers available
  • Fit any product with custom shapes

Material Properties of Medical Packaging

Material Property Test Method Units Property Values
Thermal Resistance
Minimum RSI per 25mm (R per inch)
ASTM
C518
m20C/W
(ft2•h•0F/BTU)
0.65
(3.75)
Compressive Resistance
Minimum @ 10% Deformation
ASTM
D1621
kPa
(psi)
70
(10)
Flexural Strength
Minimum
ASTM
C203
kPa
(psi)
170
(25)
Water Vapour Permeance
Maximum
ASTM
E96
ng/(Pa.s.m2)
(Perms)
300
(5.0)
Water Absorption
Maximum
ASTM
D2842
% By Volume 6.0
Oxygen Index
Minimum
D2863 volume % 24
Density
Minimum
C303 pcf 0.90
Thermal Resistance for Some Common Thicknesses
Millimeters RSI Inches R-Value
19 0.49 3/4" 2.81
25 0.65 1" 3.75
38 0.98 1 1/2" 5.63
50 1.30 2" 7.50
75 1.95 3" 11.25
Other Standard & Custom thicknesses available upon request.
Standard sizes range from; 2x4,2x8,4x4,4x8. Customer sizes upon request.

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