Unsaturated Polyester Resin
DS-808N
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-808N is a precision paraffin-type SMC/BMC unsaturated polyester resin, characterized by thickening stability, good gloss, good toughness, good corrosion resistance, high mechanical strength, and good electrical performance. It is widely used in the fields of pressing electrical components, building facilities, and industrial and civilian equipment where high-quality molded products are required.
| 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 | 1200-1600 | GB7193 |
| Gel Time | min | 8-12 | 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 |
| Elongation at break | % | 3.5 | GB2567 |
| bending strength | MPa | 95 | GB2567 |
| bending modulus | MPa | 3000 | GB2567 |
| impact toughness | KJ/m² | 12 | 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%. |
|||
Packaging and Storage
(Note: The packaging for Tianhe Dianshi brand DS-808N 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 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 any specific use and reserves the right to modify the information.)
Key words: