-
-
Main Business
-
-
-
Unsaturated Polyester Resin
DS-321P
DS-Tianhe Resin Series
Tianhe Dianshi brand DS-321P resin is a pre-promoted unsaturated polyester resin. This resin has good wettability with glass fiber, low curing shrinkage, and high mechanical strength, making it suitable for producing fiberglass products through hand lay-up, spraying, continuous dipping, and other molding processes.
| Liquid Resin Technical Specifications | |||
| Item | Unit | Indicator | Testing Standard |
| Appearance | Transparent viscous liquid | ||
| Acid Value | mgKOH/g | 17-23 | GB2895 |
| Viscosity | mPa.S | 180-300 | GB7193 |
| Gel Time | min | 30-54 | GB7193 |
| Solid Content | % | 57-63 | GB7193 |
| 80℃ Stability | h | ≥24 | GB7193 |
| Note: Gel time is measured at a temperature of 25℃ with a bath of 50g resin mixed with 0.75ml 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 | % | 3.0 | GB2567 |
| Bending Strength | MPa | 100 | GB2567 |
| Bending Elastic Modulus | MPa | 3100 | GB2567 |
| Impact Toughness | KJ/m² | 7.0 | GB2567 |
| Heat Distortion Temperature | ℃ | 70 | GB1634.2 |
| Note: Experimental environment temperature is 23±2℃ with relative humidity of 50±5%. | |||
Packaging and Storage
The packaging of Tianhe Dianshi brand DS-321P 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, the necessity for users to conduct their own experimental research cannot be excluded. Legally, there is no guarantee that certain performance characteristics of the product are fully applicable to any specific use, and the right to modify the information is reserved.
Key words:
Shanghai Xintianhe Resin Co., Ltd.
Address: Room 502, Building 23, Science and Technology Oasis, 1999 Yishan Road, Minhang District, Shanghai
National unified hotline: 400-820-9698
Telephone: 86-21-57485068 / +86 13917508287 (Sales Department)
E-mail: service@chinaresins.com
Concerned about the public.
day and resin
