• Item Name: RenGel® SW 404 Resin / Ren® HY 2404 Hardener / Ren® HY 5159 Hardener
• Manufacturer: Huntsman Advanced Materials
• Technologies: Filled epoxy gelcoat system with high abrasion resistance
• Color: Resin – blue paste, HY 2404 – pale yellow liquid, HY 5159 – clear to pale yellow liquid
• Cure Type: Heat curing (14 h at 60°C with HY 2404 / 14 h to 80°C with HY 5159)
• Package Size: Resin – 2 × 10 kg, HY 2404 – 6 × 1 kg or 6 × 50 g, HY 5159 – 6 × 800 g or 6 × 500 g
• Shelf Life: Contact to Techniq VN for details.
RenGel® SW 404 combined with Ren® HY 2404 or HY 5159 is a filled epoxy gelcoat system designed to deliver high mechanical strength, very hard surfaces, and outstanding abrasion resistance. It provides strong chemical resistance and produces durable, smooth, and protective layers for tooling and moulding applications.
This system is used in foundry patterns, copy-milling models, foaming and concrete-casting moulds, tools, and tooling aids. It ensures long service life of moulds by resisting wear, chemical attack, and mechanical stress.
The epoxy gelcoat system offers stable processing with different hardener options (HY 2404 or HY 5159), allowing tailored pot life and curing. After cure, it exhibits high hardness, strong abrasion resistance, and reliable thermal performance. With Shore D hardness up to 90 and low abrasion loss, it is well-suited for heavy-duty moulding applications requiring durable surfaces.
| Property | RenGel® SW 404 (Unmixed) | Ren® HY 2404 (Unmixed) | Ren® HY 5159 (Unmixed) | Mixed / Cured System |
|---|---|---|---|---|
| Appearance | Blue paste | Pale yellow clear liquid | Pale yellow clear liquid | Blue coating |
| Density (g/cm³) | 1.85 – 1.95 | 1.0 – 1.05 | 0.98 | 1.8 |
| Viscosity at 25°C (mPa·s) | 70,000 – 110,000 | 3400 – 5000 | 120 – 175 | — |
| Mix Ratio (by weight) | 100 | 10 | 8 | — |
| Pot Life at 25°C (min) | — | 15 | 50 | — |
| Demoulding Time (h) | — | 12 | 12 | — |
| Cure Cycle | — | 14 h at 60°C | 14 h gradually to 80°C | — |
| Hardness (Shore D) | — | — | — | 85 – 90 |
| Density of cured system (g/cm³) | — | — | — | 1.8 |
| Deflection Temperature (°C) | — | — | — | 80 (HY 2404) / 100 (HY 5159) |
| Abrasion Resistance (Taber, mm³/100U) | — | — | — | 4 – 6 |
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