Expanded Polystyrene General Information

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Types of Expanded Polystyrene

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Expanded Polystyrene R-VALUE

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EPS GRADES


PACKAGING/INSULATION

Uses: Standard packaging applications – Insulation – Miscellaneous

Regrind percentage: 40 - 60 %

Density: .75 - 1.0 # /cu ft

 

FLOTATION

Uses: Boat seat flotation, boat dock flotation, higher grade insulation

Regrind percentage: 10 - 25 %

Density:  .8 - 1.0 # /cubic foot

Floats:  60 lbs / cu ft

Weight:  Approx 55 lbs/cu ft

 

1# VIRGIN

Uses: Freezer panels, laminated panels, computer cut parts, specialized packaging

Regrind percentage: 0 %

Density: .8 - 1.0 # /cubic foot

 

1.25# VIRGIN

Uses: Higher grade boat dock flotation

Regrind percentage: 0 %

Density: 1.1 - 1.25 # /cubic foot

 

1.5# VIRGIN

Uses: Heavy duty packaging

Regrind percentage: 0 %

Density: 1.4 - 1.6 # /cubic foot

 

2# VIRGIN

Uses: Heavy weight packaging, construction panels

Regrind percentage: 0 %

Density: 1.75 – 2.1 # /cubic foot