Typical Fiberglass Properties | |
| Flexural strength, psi | 16,000 to 32,000 |
| Flexural modulus, psi | 0.8 to 1.4 x106 |
| Tensile strength, psi | 9,000 to 18,000 |
| Tensile modulus, psi | 0.8 to 1.4 x106 |
| Elongation | 1.0% to 2.5% |
| Compressive strength, psi | 15,000 to 25,000 |
| Impact strength izod, lb./in. of notch | 4 to 12 |
| Specific gravity | 1.0 to 1.8 |
| Density, lbs./ft.3 | 80 to 110 |
| Continuous heat resistance | 150 to 350 |
| Thermal Coefficient of Expansion, in/in/Fx 10- | 12 to 20 |
| Barcol hardness | 40 to 60 |
Properties of a typical 1/8" glass mat laminate using specific fire retardant resin | |
| Flexural strength, psi @ 77 degrees F | 28,000 |
| Flexural modulus, psi @ 77 degrees F | 1.07 x 106 |
| Tensile strength, psi @ 77 degrees F | 16,800 |
| Elongation | 2.2% |
| Barcol hardness | 45 to 50 |
| Glass content | 31% |
| Specific gravity | 1.62 |
| ASTM E-84 (tunnel test) | <25 |
| UL Subject 94 | V-O |
