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DP-1122-5
Huake
DP-1122-5 Unsaturated Polyester Resin
Principal Properties & Application：
DP-1122-5 is an orthophthalic unsaturated polyester resin with high reactivity, moderate viscosity, and good thickening stability. Its products exhibit good toughness and excellent overall mechanical properties. It is used for the production of SMC products such as septic tanks and electric meter boxes.
Specifications of liquid resin（25℃) :
Item | Unit | Standard Requirements | Test Method |
Appearance | -- | Pale yellow transparent liquid | GB/T 8237.6.1 |
Viscosity | 25℃ , mPa.s | 1200-1400 | GB/T 7193.4.1 |
SPI-GT | min | 6-9 | HK-D-DB001 |
SPI-CT | min | 7-10 | HK-D-DB001 |
SPI-PET | ℃ | 220-260 | HK-D-DB001 |
Acid Value | mgKOH/g | 14-22 | GB/T 2895 |
Solid Content | % | 64-69 | GB/T 7193.4.3 |
Color Number (Harzen) | -- | ≤140 | HK-D-DB036 |
Note: SPI: AKZO CH-50: 2%.
Physical properties of Casting(for reference only)：
Item | Unit | Test Value | Test Method |
Tensile strength | MPa | 55 | GB/T 2568 |
Tensile modulus | MPa | 2900 | GB/T 2568 |
Breaking at elongation | % | 2.2 | GB/T 2568 |
Flexural strength | MPa | 100 | GB/T 2570 |
Flexural modulus | MPa | 3200 | GB/T 2570 |
Impact toughness | kJ/m2 | 15 | GB/T 2571 |
Hardness (Barcol 934-1) | -- | 38 | GB/T 3854 |
HDT | ℃ | 105 | GB/T 1634 |
Note：
1) The casting sample preparation method follows GB/T 8237, curing system: 0.6% Co-Naph, 1.5% AKZO M-50.
2) Curing treatment after casting: Room temperature for 24 hours, followed by 60 °C for 3 hours, then 110 °C for 2 hours.
Precautions:
Transportation must comply with the regulations on the transportation and handling of hazardous chemicals as per Chapter 5 of the State Council ’s "Regulations on the Safety Management of Hazardous Chemicals". During transportation, it should comply with the regulations for the transportation and handling of chemical hazardous materials in Chapter 5 of the State Council's "Regulations on the Safety Management of Hazardous Chemicals." The product should be stored in a cool place below 25 °C, away from sources of ignition and isolated from heat sources.
