Unsaturated Polyester Resin
DS-885N
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-885N is a phthalate-type SMC/BMC unsaturated polyester resin, characterized by thickening stability, high reactivity, high gloss, high mechanical strength, and low shrinkage. It is widely used in the fields of automotive pressing, rail transportation, electrical components, construction facilities, and industrial and civilian equipment where high mechanical strength and electrical performance are required for molded products.
| 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 | 17-21 | GB2895 |
| Viscosity at 25℃ | mPa.S | 1300-1700 | GB7193 |
| Gel Time | min | 4-8 | GB7193 |
| Solid Content | % | 64-67 | 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 | 60 | GB2567 |
| Tensile Modulus | MPa | 3000 | GB2567 |
| Elongation at break | % | 2.5 | GB2567 |
| bending strength | MPa | 100 | GB2567 |
| bending modulus | MPa | 3500 | 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
(Note: The packaging for Tianhe Dianshi brand DS-885N is a net weight of 220KG metal drum. The storage period at a temperature of 20℃ is six months. Higher temperatures will shorten the storage period accordingly. It should be stored in a cool, ventilated place away from 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 completely applicable to a specific use and reserves the right to modify the information.)
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