Description
This orthophthalic-based resin is designed and produced with excellent mechanical and physical properties and very good hardness.
GP-45 resin is designed to produce high-hardness molded parts that, after complete curing, have excellent mechanical properties and very good resistance to chemical agents.
usage
Fiberglass
Making mastic
Stone glue
Physical properties of liquid resin
| Properties | Results |
|---|---|
| Color | Colorless |
| Viscosity | 1200 – 900 cps |
| Percent solids | 68 ± 2 % |
| Acid number | 26 ± 2 |
| Gel time | 5 – 3 min |
| Time to reach final temperature | 13 – 9 min |
| Final temperature | 5 ± 140 °C |
| Appearance | Transparent |
| Specific gravity (density) | 1.80 – 1.10 gr/cm3 |
| Storage period | 6 months |
- All experiments were performed at 25°C.
- Viscosity was measured at 25°C, 60 rpm, and spindle number 3.
- To harden the resin, 0.1 grams of cobalt and methyl ketone peroxide type A60 are required in an amount of 1.5 grams of resin at a temperature of 25 degrees Celsius.
Mechanical properties of hardened resin
| ST | Property |
|---|---|
| 50 ± 5 | Tensile strength |
| 2.2 – 2.5 | Tensile modulus |
| 2 – 4 | Tensile elongation |
| 100 – 120 | Flexural strength |
| 4.2 – 4.4 | Flexural modulus |
| 3 – 4.5 | Volume shrinkage |
| 60 ± 5 | HDT* |
| 40 ± 5 | Barcol Hardness |
- Disclaimer: This information is continuously measured and is not considered part of the product's technical specifications. It is provided solely to better describe the product.
- To perform the HDT test, a cured part must be left at room temperature for 24 hours and then placed at 105 degrees for 2 hours.
Packaging
Unsaturated polyester resin is packaged in unlined metal drums of 200 kg net weight.
Warehousing
Store the product in a cool place at a temperature below 25°C, away from moisture and direct sunlight. If the above conditions are met, the product’s shelf life is a maximum of 6 months from the time of production.
Safety and environmental protection
Common storage conditions should be observed when using unsaturated polyester resins. If needed, product safety information is available in the Safety Data Sheet.
Disclaimer
This sheet contains general recommendations about “Qatreh Isfahan” products and, due to the inherent differences in materials and environmental conditions, does not provide any guarantee of compatibility or conditions of use, and the company is disclaimed any legal liability. Users should always refer to the Ghatreh.co website for the latest and most valid information.
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