Unsaturated Polyester Resin
DS-830N
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-830N is a general-purpose coarse benzene-type SMC/BMC unsaturated polyester resin, characterized by low cost, stable thickening, high viscosity, high mechanical strength, and good toughness. It is widely used in the pressing of construction facilities and in fields such as industrial and civilian equipment for ordinary performance requirements, including manhole covers, water tanks, and laundry basins, among other thicker molded products.
| Liquid Resin Technical Specifications | |||
| Item | Unit | Specification | 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 | 3800-4100 | GB7193 |
| Gel Time | min | 4-6 | GB7193 |
| Solid Content | % | 70-74 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ with an air bath, adding 1.5ml of cobalt octoate solution and 1.5ml of MEKP solution to 50g of resin. | |||
| Resin Casting Body Performance Indicators (for reference only) | |||
| Item | Unit | Specification | Testing Standard |
| Barcol Hardness | Barcol | 38 | GB3854 |
| Tensile Strength | MPa | 60 | GB2567 |
| Tensile Modulus | MPa | 2000 | GB2567 |
| Elongation at break | % | 3.5 | GB2567 |
| bending strength | MPa | 90 | GB2567 |
| bending modulus | MPa | 2500 | GB2567 |
| impact toughness | KJ/m² | 12 | GB2567 |
| heat distortion temperature | ℃ | 110 | 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-830N 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 suitable for a specific use and reserves the right to modify the information.)
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