S-2 Glass Fiber is a high-performance silicate glass fiber produced by AGY that offers superior strength and stiffness compared to conventional E-glass, making it the reinforcement phase in advanced composite systems. It is widely deployed in aerospace structures (primary and secondary aircraft components), military applications, high-performance sporting goods, and industrial composites where weight reduction and durability under demanding thermal and mechanical conditions are critical. Engineers select S-2 Glass over standard glass fibers when projects require improved load-bearing capacity, better fatigue resistance, and enhanced environmental durability without the cost premium of carbon fiber.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 5.700 | - | — | ||
Ultimate Tensile Strength(σUTS) | 709.2 | ksi | — | ||
Young's Modulus(E) | 12,603.8 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Coefficient of Thermal Expansion(α (CTE)) | 1.611 | µin/in·°F | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.08996 | lb/in³ | — |