Unsaturated Polyester Resin
DS-803N
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-803N is a meta-xylene/new pentanediol type SMC/BMC unsaturated polyester resin, characterized by thickening stability, high gloss, high mechanical strength, excellent electrical properties, water resistance, and corrosion resistance. It is suitable for high-performance molded products in the fields of electrical components, construction facilities, and industrial and civilian equipment.
| Liquid Resin Technical Indicators | |||
| Item | Unit | Indicator | Testing Standard |
| Appearance | Light yellow transparent liquid | Visual | |
| Color (Pt-Co) | 40-60 | GB7193 | |
| Acid Value | mgKOH/g | 12-16 | GB2895 |
| Viscosity at 25℃ | mPa.S | 1300-1700 | GB7193 |
| Gel Time | min | 3-7 | GB7193 |
| Solid Content | % | 62-65 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ in an air bath with the addition of 1ml of cobalt octoate solution and 1ml of MEKP solution to 50g of resin. | |||
| Resin Casting Body Performance Indicators (for reference only) | |||
| Item | Unit | Indicator | Testing Standard |
| Barcol Hardness | Barcol | 40 | GB3854 |
| Tensile Strength | MPa | 55 | GB2567 |
| tensile modulus | MPa | 2000 | GB2567 |
| Elongation at break | % | 2.5 | GB2567 |
| bending strength | MPa | 100 | GB2567 |
| bending modulus | MPa | 3000 | GB2567 |
| impact toughness | KJ/m² | 8 | GB2567 |
| heat distortion temperature | ℃ | 120 | GB1634.2 |
| (Note: 1) Casting body sample preparation method: follow GB/T8237-2005; (2) Post-processing method for casting body: Room temperature/24 hours +40℃/1 hour +90℃/3 hours; (3) Experimental environment temperature: 23±2℃, relative humidity: 50±5%. |
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Packaging and Storage
The packaging of Tianhe Dianshi brand DS-803N is a net weight of 220KG metal drum, with a storage period of six months at a temperature of 20℃. 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 completely applicable to any specific use and reserves the right to modify the information.
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