Plasti-Fab has several stock corners to choose from. Our corners offer a lightweight package protection solution for cushioned corner protection. These foam corners are lightweight, so as not to add to the overall weight of the package and are easy to use. If you are in need of a non-stock size, we can handle that easily with a short lead time. With an in-house packaging designer, we can design and meet your corner packaging needs.

EPS Corners are strong and versatile while providing cushioning, protection and remaining environmentally safe.

  • Short lead time
  • Specific to your goods
  • Available in a wide range of types and densities
  • Excellent protection and cushioning
  • EPS contains NO CFC's, HFC's or HCFC's
  • Lightweight-reducing shipping costs
  • EPS is not weakened by water
  • Recyclable

Material Properties of Protective Corners Product Packaging Insulation

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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