Unsaturated Polyester Resin
DS-822N
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-822N is a general-purpose ortho-type BMC specific unsaturated polyester resin, characterized by high mechanical strength and good impact toughness. It is widely used in the fields of electrical components, construction facilities, and industrial and civilian equipment for general requirements of 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 | % | 67-70 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ in an air bath with the addition of 0.75ml of cobalt octoate solution and 0.75ml 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 | 65 | GB2567 |
| Tensile Modulus | MPa | 2500 | GB2567 |
| Elongation at break | % | 3.5 | GB2567 |
| bending strength | MPa | 90 | GB2567 |
| bending modulus | MPa | 3000 | GB2567 |
| impact toughness | KJ/m² | 10 | GB2567 |
| heat distortion temperature | ℃ | 110 | GB1634.2 |
| (Note: 1) Casting body sample preparation method: follow GB/T8237-2005; (2) Post-treatment 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-822N 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. 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 performance characteristics of the product are fully applicable to any specific use and reserves the right to modify the information.)
Key words: