Self-extinguishing foam for safety-critical applications
ROHACELL® 71 S
At 75 kg/m³, ROHACELL® 71 S sits between 51 S and 110 S in the ROHACELL® S range.
ROHACELL® S is closed-cell rigid foam based on polymethacrylimide (PMI) chemistry that is completely free of CFC’s. This rigid foam is self- extinguishing and particularly suitable for applications in rail vehicles and watercraft, as well as use in the aerospace industry.
Mechanical properties
- Density
- 75 kg/m³
- 4.68 lbs/ft³
- Compressive Strength
- 1.5 MPa
- 218 psi
- Tensile Strength
- 1.9 MPa
- 276 psi
- Shear Strength
- 1.2 MPa
- 174 psi
- Elastic Modulus
- 90 MPa
- 13,053 psi
- Shear Modulus
- 34 MPa
- 4,931 psi
- Strain at Break
- 3.5 %
Compare ROHACELL® S grades
Properties
Density
52kg/m³
3.25lbs/ft³
75kg/m³
4.68lbs/ft³
110kg/m³
6.87lbs/ft³
Compressive Strength
0.7MPa
102psi
1.5MPa
218psi
2.8MPa
406psi
Tensile Strength
1.1MPa
160psi
1.9MPa
276psi
3.2MPa
464psi
Shear Strength
0.6MPa
87psi
1.2MPa
174psi
3.2MPa
464psi
Elastic Modulus
50MPa
7,252psi
90MPa
13,053psi
150MPa
21,756psi
Shear Modulus
20MPa
2,901psi
34MPa
4,931psi
55MPa
7,977psi
Strain at Break
3.5%
3.5%
4.5%