Michigan Foam Products Logo
Michigan Foam Products LLC
1820 Chicago Drive  
Grand Rapids, MI 49519
Phone: (616) 452-9611
Fax: (616) 452-0533
Michigan Foam Products Logo
 
EPS Properties
Property Type XI Type I Type VIII Type II Type IX
Nominal Density, lb/ft 3 (kg/m 3 ) 0.75 (12) 1.00 (16) 1.25 (20) 1.50 (24) 2.00 (32)
Density1, min., lb/ft 3 (kg/m 3 ) 0.70 (12) 0.90 (15) 1.15 (18) 1.35 (22) 1.80 (29)
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)
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)
Compressive strength1 @10% def., min., psi (kPa) 5.0
(35)
10.0
(69)
13.0
(90)
15.0
(104)
25.0
(173)
Flexural strength1,
min., psi (kPa)
10.0
(69)
25.0
(173)
30.0
(208)
40.0
(276)
50.0
(345)
Water Vapor Permeance1
of 1.0 in. thickness,
max., perm
5.0 5.0 3.5 3.5 2.0
Water Absorption1
by total immersion,
max., volume %
4.0 4.0 3.0 3.0 2.0
Oxygen Index1
min., volume %
24.0 24.0 24.0 24.0 24.0
Flame Spread2 20 20 20 20 20
Smoke Developed2 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. In addition to the above materials, MFP also produces foam with a 3.0# density.
  2. The maximum size foam block that Michigan Foam products produces is 36" x 48" x 192".  
  3. The maximum length contour part we can produce is 102".  
  4. For specific sizes please contact our Customer Service Department.
  5. All material must be cured 72 hours minimum before processing to your requirements.