Description
The 3 oz. Fiberglass fabric, Style 120, is a highly drapable four harness (4HS) satin weave fabric woven from E-glass fibers. The tightly woven fabric is woven with fiberglass bundles repeatedly woven to float over three bundles, then under one.
Often used in aerospace and structural applications because of it offers excellent strength and surfacing characteristics. It is also an excellent all-purpose fiberglass fabric and will conform easily to contoured surfaces and compound curves.
It has been sized with an epoxy and polyester compatible finish to enhance wet-out and is compatible with polyester, vinyl-ester and epoxy resins.
Technical
Physical Properties
- Style: 120
- Weave: 4 Harness Satin Weave
- Weight: 3.16 oz/yd²
- Thickness: .004″
- Fabric Count (Warp x Fill): 86 x 85
- Warp Fiber: E-Glass
- Fill Fiber: E-Glass
- Warp Fiber Strength: 160 lbf/in
- Fill Fiber Strength: 160 lbf/in
Technical Fiber Properties
- Fiber: ECD 450 1/2
- Fiber Diameter: 0.23 mils
- Density: .095 lb/in³
- Tensile Strength: 500 ksi
- Tensile Modulus: 10.5 msi
- Strain to Failure: 4%
- Specific Tensile Strength: 5.28 106 in
- Specific Tensile Modulus: 1.11 108 in
- Coefficient of Thermal Expansion: 3 x 10-6/°F
- Decomposition Temperature: 1346°F
Please note: All data to be used as a guide only; not a specification.
Documents

Compatibility
- Epoxy Resin
- Polyester Resin
- Vinyl-ester Resin
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