O-Phenyl Resin for Hand Layup/Injection Processes
Palatal? P 65TV-959 has excellent wetting and low shrinkage properties
Characteristic performance
- Good mechanical properties
- Excellent wetting and handling properties
- Low shrinkage properties
Product Properties
Palatal? P 65TV-959 is a pre-promoted, thixotropic o-phenylene unsaturated polyester resin with low viscosity and high reactivity. The resin has excellent handling properties as well as good mechanical and water resistance.
typical application
Palatal? P 65TV-959 is suitable for hand-laying and spraying processes, etc.; low resin viscosity, fast wetting speed for glass fibers; Palatal? P 65TV-959 has good water resistance and low shrinkage properties, mainly used in the marine industry, recreational facilities, sanitary ware industry and so on.
Product Indicators
| performances | numerical value | unit (of measure) | Test Methods |
|---|---|---|---|
| exterior condition | muddy | - | TM 2265 |
| Viscosity @23℃ | 180-220 | mPa.s | TM 2013 |
| Solids content, infrared drying | 56-62 | % | TM 2033 |
| acid value | 10-18 | mgKOH/g | TM 2401 |
| Gel time (25°C to 35°C) | 20-38 | minutes | TM 2625 |
TM2625: 2.0 g of curing agent Butanox? M50 was added to 100 g of resin at 25°C, respectively.
Typical Properties of Liquid Resins
| performances | numerical value | unit (of measure) | Test Methods |
|---|---|---|---|
| flash point | 33 | °C | TM 2800 |
| Storage period, no initiator added, protected from light, 25°C | 3 | moon | - |
Typical Properties of Pure Resin Casting Body
| performances | numerical value | unit (of measure) | Test Methods |
|---|---|---|---|
| tensile strength | 65 | MPa | ISO 527-2 |
| tensile modulus | 3.2 | GPa | ISO 527-2 |
| Tensile elongation at break | 5.0 | % | ISO 527-2 |
| bending strength | 120 | MPa | ISO 178 |
| bending modulus | 3.2 | GPa | ISO 178 |
| Heat Distortion Temperature (HDT) | 60 | °C | ISO 75-2 |
| Unnotched impact strength | 12 | kJ/m2 | ISO 179 |
The curing system is: add 2.0 g of curing agent Butanox M50 to 100 g of resin. Cure at room temperature for 24 hours and at 80 °C for 24 hours.
Process Operation Guide
- The resin needs to be stored at a suitable temperature and humidity for a constant period of time before use, and the operating temperature should normally be above 15°C when using the MEKP/Co curing system;
- Palatal? P 65TV-959 resin contains accelerator, should be used with curing agent MEKP, should ensure that the curing agent in the expiration date.
- The temperature of the workshop should be maintained between 18℃ and 32℃, and the humidity of the workshop should be maintained between 40% and 90%. Constant shop conditions will result in constant gel time and help the manufacturer produce high quality products.
- The final cured state of the product prior to use can be post-cured for a few hours at high temperatures (e.g. 80°C) to achieve optimum physical and chemical properties.
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