Unsaturated Polyester Resin
DS-128N
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-128N is a phthalate-type unsaturated polyester resin. This resin has a light color, good process adaptability, excellent compatibility with fiberglass, fast impregnation speed, few bubbles, and does not easily show fiber whitening after curing. It has good transparency, high strength, and excellent aging resistance, making it particularly suitable for manufacturing high-demand transparent lighting fiberglass tiles and transparent products.
| Liquid Resin Technical Indicators | |||
| Item | Unit | Indicator | Testing Standard |
| Appearance | Transparent viscous liquid | Visual | |
| Color (Pt-Co) | 25-30 | GB7193 | |
| Acid Value | mgKOH/g | 20-26 | GB2895 |
| Viscosity at 25℃ | mPa.S | 100-300 | GB7193 |
| Gel Time | min | 5-9 | GB7193 |
| Solid Content | % | 57-63 | 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 Elastic Modulus | MPa | 3000 | GB2567 |
| Break Elongation Rate | % | 2.0 | GB2567 |
| Bending Strength | MPa | 100 | GB2567 |
| Bending Elastic Modulus | MPa | 3000 | GB2567 |
| Impact Toughness | KJ/m² | 7.0 | GB2567 |
| Heat Distortion Temperature | (℃) | 80 | GB1634.2 |
| *Note: Experimental environment temperature is at (23±2)℃ with relative humidity of (50±5%) | |||
*Packaging and Storage*
*The packaging of Tianhe Dianshi brand DS-128N 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, 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 product performances are fully applicable to any specific use and reserves the right to modify the information.*
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