Unsaturated Polyester Resin
DS-679PT
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-679PT is a pre-promoted, pre-thixotropic unsaturated polyester resin with low viscosity, moderate reactivity, and fast post-curing speed. It has good wettability for fillers, making it particularly suitable for bonding acrylic sheets, composite boards, and fiberglass, and is suitable for injection processes.
| Liquid Resin Technical Specifications | |||
| Item | Unit | Specification | Testing Standard |
| Appearance | Viscous Liquid | Visual | |
| Color (Pt-Co) | GB7193 | ||
| Acid Value | mgKOH/g | 11-17 | GB2895 |
| Viscosity (25℃) | mPa.S | 80-150 | GB7193 |
| Gel Time | min | 10-20 | GB7193 |
| Solid Content | % | 47-52 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ in an air bath with 50g of resin and adding 0.5ml of MEKP solution. | |||
| Resin Casting Body Performance Indicators (for reference only) | |||
| Item | Unit | Specification | Testing Standard |
| Barcol Hardness | Barcol | 32 | GB3854 |
| Tensile Strength | MPa | 47 | GB2567 |
| Flexural Strength | MPa | 65 | GB2567 |
| heat distortion temperature | ℃ | 60 | GB1634.2 |
| Note: Experimental environment temperature is 23±2℃, relative humidity is 50±5%. | |||
Packaging and Storage
Tianhe Dianshi brand DS-679PT is packaged in barrels with a net weight of either 210KG or 1 ton. The storage period at 20℃ is six months. Higher temperatures will shorten the storage period accordingly. It should be stored in a cool, ventilated place, avoiding direct sunlight and keeping away from heat sources. This product is flammable and should be kept away from open flames.
Note: This data is determined according to national standards (GB). Due to various factors affecting the processing process, it does not exclude the necessity for users to conduct their own experimental research. Legally, it does not guarantee that certain performance characteristics of the product are fully applicable to any specific use and reserves the right to modify the information.
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