Tube Stock, Square, Isopthalic Polyester Fire-Retardant Resin (ISOFR), Dark Gray, 4 In Outside Square, 3 1/2 In Inside Square, Wall Thickness 0.250 In, Length 5 Ft, Outside Square Tolerance +/-0.040 In, Wall Thickness Tolerance +/-0.038 In, Length Tolerance +/-0.1875 In, Min Temp Rating -100 Deg F, Max Temp 150 F, Tensile Strength 30, 000 PSI
Dynaform Structural Shapes
- Fire-retardant resin material is easily fabricated, compared to metal products. For constructing structural support systems, including platforms, walkways, and equipment support.
- Temp. range: -100 to 150 F
- Round and Square Tubes ISOFR
- Tensile strength: 30,000 psi Dark gray color