| Chopped strand length: | |
|---|---|
| Alkalinity: | |
| Moisture content: | |
| The alkali content: | |
| Availability: | |
| Quantity: | |
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E-type chopped glass fiber is used in GRC (glass fiber–reinforced concrete) because it disperses evenly in both dry and wet mixes, making molding much easier. Plus, E glass has strong strands and good flow, so it’s easy to work with — products made with it are tough and have smooth, high-quality surfaces.
Item | Data |
Chopped strand length | 3mm-48mm |
Alkalinity | Alkali free |
Moisture content | <=0.1% |
The alkali content | <0.8 |
Organic matter content | 1.3 |
Varia | None |
| Advantages | Description |
|---|---|
| Water Content | Moderate water content |
| Temperature Resistance | High temperature resistance |
| Fluidity | Good fluidity |
| Finished Product Distribution | Uniform distribution of finished products |
| Humidification Speed | Fast humidification |
| Mechanical Strength of Finished Products | High mechanical strength of finished products |
| Price-Performance Ratio | Best price/performance ratio |
| Material Type | Natural inorganic materials |
| Flame Retardant Rating | Class A flame retardant |
| Moisture Resistance | Excellent moisture resistance |
| Mold Resistance and Chemical Stability | Excellent mold resistance and good chemical stability |
| Aging and Corrosion Resistance | Excellent Aging resistance, corrosion resistance |
Here are some practical tips for using chopped-strand E glass fiber in common concrete mixes. Dosages are shown in kg/m3 and fiber lengths in mm — tweak them within the ranges to hit your goals (shrinkage control, impact resistance/toughness, or residual strength).
◆ Slab on grade (floor slabs, industrial slab)
Fiber length: 6–12 mm Dosage: 0.5–2.0 kg/m3
Use-case:
0.5–1.0 kg/m3: control plastic/shrinkage cracking and reduce microcracks.
1.0–2.0 kg/m3: improved post-crack toughness, abrasion resistance for heavy traffic.
◆ Exterior pavements & overlays (driveways, thin overlays)
Fiber length: 12–25 mm Dosage: 1.0–3.0 kg/m3
◆ Precast elements (panels, blocks, non‑structural panels)
Fiber length: 12–25 mm Dosage: 1.0–4.0 kg/m3
Use-case:
1.0–2.0 kg/m3: reduce shrinkage cracking and aid handling.
2.0–4.0 kg/m3: partial replacement of light secondary reinforcement for improved post‑crack behavior—must be
validated by testing and design codes.
◆ Shotcrete (tunnel, repair)
Fiber length: 25–50 mm Dosage: 4.0–10.0 kg/m3
◆ Fiber-reinforced thin sections (stucco, mortar, GFRC)
Fiber length: 3–12 mm Dosage: 0.5–2.5 kg/m3
Use case: reduce cracking and improve tensile/flexural toughness in thin composites.
E Glass Fiber should be stocked in dry places. The best conditions are a temperature between 15 and 35 °C and a relative humidity between 30% and 70%. Please keep the product in its original packaging before use to prevent exposure to moisture.
Polypropylene monofilament fiber
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