Unsaturated Polyester Resin
DS-883N
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-883N is a general-purpose ortho-phthalic SMC/BMC unsaturated polyester resin, characterized by thickening stability, high gloss, and high mechanical strength. It is widely used in fields requiring high gloss for molded products such as automotive pressing, rail transportation, electrical components, building 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 | 18-22 | GB2895 |
| Viscosity at 25℃ | mPa.S | 1000-1400 | GB7193 |
| Gel Time | min | 6-10 | 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 50g of resin mixed with 0.5ml of cobalt octoate solution and 0.5ml of MEKP solution. | |||
| Resin Casting Body Performance Indicators (for reference only) | |||
| Item | Unit | Indicator | Testing Standard |
| Barcol Hardness | Barcol | 40 | GB3854 |
| Tensile Strength | MPa | 65 | GB2567 |
| Tensile Modulus | MPa | 3000 | GB2567 |
| Break Elongation Rate | % | 3.0 | GB2567 |
| Bending Strength | MPa | 95 | GB2567 |
| Bending Modulus | MPa | 3000 | GB2567 |
| Impact Toughness | KJ/m² | 10 | GB2567 |
| Heat Distortion Temperature | (℃) | 130 | 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-883N 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 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 product performances are fully applicable to any specific use and reserves the right to modify the information.*
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