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Vinylester resin V88LA/LB – For fiber glass layers
V88LA / LB is the popular and standard Vinylester resin for composite layer with the mechanical properties and good corrosion resistance in acid, alkaline and salt environments, suitable for anti-corrosion resistance such as chemical baths, pipes and so on.
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Stock status: In stock
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Description
V88LA / LB is the popular and standard Vinylester resin for composite layer with the mechanical properties and good corrosion resistance in acid, alkaline and salt environments, suitable for anti-corrosion resistance such as chemical baths, pipes and so on.
Basic properties
| Character | Measurement | Test method |
| Appearance | Liquid, light yellow | Visual inspection |
| Solid content | 55±1% | |
| Gravity | 1.04±0.01 | |
| Viscosity, cps | 450±100cps | LVT / #3 / 60 rpm @ 250C |
| Gel time, min | 15’-25’ | 250C, 55% mekpo: 1.2%, 10% Cobalt Octoate 0.4% |
| Rate, kg/m2/fiberglass layer | 1.2-1.4 | |
| Shelf life, month | 9 (<250C) |
Mechanical properties
| Character | Measurement | Test method |
| Tensile Strength (psi) | 11,000-13,000 | ASTM D 638 |
| Tensile Modulus (psi) | 4.7-5.1×105 | ASTM D 638 |
| Flexural Strength (psi) | 18,000-22,000 | ASTM D 790 |
| Flexural Modulus (psi) | 4.8-5.4×105 | ASTM D 790 |
| Elongation (%) | 5.0-6.0 | ASTM D 638 |
| Heat Distortion Temperature (0C) | 108-112 | ASTM D 648 |
| Shrinkage (%) | 7.5~8 | ASTM D 2566 |
| Hardness | 30-38 | Barcol ASTM D 2583 |
| Post-hardening conditions: The test piece is cured at 105 ° C for 2 hours after 24 hours at room temperature. | ||
Usage
1. The gel time can be changed when adjusting the curing ratio.
2. The gel time properties of V88LA/LB are affected by weather, temperature, hardener content, accelerator content and additives. Before changing the rate, it recommend to test the gel time in a small amount to facilitate the process.
3. Wear protective clothing and gloves during working.
Strorage
- The recommended temperature for storage should be below 300C to ensure the stability of the resin.
- Store in a cool place and away from direct sunlight. If the storage is too long, open the cap and blow in air to extend its storage time.
- Avoid exposure to heat and flammable liquid sources.
Packing
V88LA: 18 Kg/square plastic pail
V88LB: 0.25 Kg/plastic bottle