Selected

Technical Data

Technical Data

EPS Properties

Property Type XI Type I Type VIII Type II Type IX Type III
Nominal Density, lb/ft 3 (kg/m 3 ) 0.75 (12) 1.00 (16) 1.25 (20) 1.50 (24) 2.00 (32) 3.00
(48)
Density1, min., lb/ft 3 (kg/m 3 ) 0.70 (12) 0.90 (15) 1.15 (18) 1.35 (22) 1.80 (29) 2.70
(43)
Design Thermal Resistance
per 1.0 in. thickness
ºF•ft2•h/Btu (ºK•m2/W)
75º
40º
3.22 (0.57)
3.43 (0.60)
3.85 (0.68)
4.17 (0.73)
3.92 (0.69)
4.25 (0.75)
4.17 (0.73)
4.55 (0.80)
4.35 (0.77)
4.76 (0.84)
4.70
(.83)
Thermal Resistance1,min.,
per 1.0 in. thickness
ºF•ft2•h/Btu (ºK•m2/W)
75º
40º
3.10 (0.55)
3.30 (0.58)
3.60 (0.63)
4.00 (0.70)
3.80 (0.67)
4.20 (0.74)
4.00 (0.70)
4.40 (0.77)
4.20 (0.74)
4.60 (0.81)
4.30
(.77)
Compressive strength1 @10% def., min., psi (kPa) 5.0
(35)
10.0
(69)
13.0
(90)
15.0
(104)
25.0
(173)
50.0
(347)
Flexural strength1,
min., psi (kPa)
10.0
(69)
25.0
(173)
30.0
(208)
40.0
(276)
50.0
(345)
90.0
(625)
Water Vapor Permeance1
of 1.0 in. thickness,
max., perm
5.0 5.0 3.5 3.5 2.0 2.0
Water Absorption1
by total immersion,
max., volume %
4.0 4.0 3.0 3.0 2.0 1.0
Oxygen Index1
min., volume %
24.0 24.0 24.0 24.0 24.0 24.0
Flame Spread2 20 20 20 20 20 20
Smoke Developed2 150-
300
150-
300
150-
300
150-
300
150-
300
150-
300
1 See ASTM C-578 Standard Specification for complete information
2 See UL Certificate
available from Michigan Foam Products
  1. The maximum size foam block that Michigan Foam products produces is 36" x 48" x 192".
  2. The maximum length contour part we can produce is 120".
  3. For specific sizes please contact our Customer Service Department.
  4. Some material must be cured 72 hours minimum before processing to your requirements.

AFPR
Member-Alliance of Foam Packaging Recyclers