Unsaturated polyester resin for FRP fiberglass products
Description:
G91 is general purpose FRP resin synthesized from improved Phthalic anhydride and standard diols. Has been dissolved in styrene monomer, with moderate viscosity and reactivity .
Features:
High strength hardness tenacity and rigidity and fast curing as well good weather and water resisitance.
Application:
Water tanks Pipes Molds Satues Water park equipments Middle boats Auto parts Toys and so on FRP
Property Index：
| Performance | Parameter | Unit | Standard test |
|---|---|---|---|
| Appearance | Clear transparent liquid | - | Eye-measurement |
| Acid value | 17-25 | mgKOH/g | GB/T 2895-2008 |
| Solid content | 61-67 | % | GB/T 7193-2008 |
| Viscosity25℃ | 0.3-0.6 | pa.s | GB/T 7193-2008 |
| Stability80℃ | ≥24 | h | GB/T 7193-2008 |
| Typical curing properties | 25 ° C water bath, 100g resin plus 2ml methyl ethyl ketone peroxide solution and 4ml cobalt isooctanoate solution | - | |
| Gel time | 8-18.0 | min | GB/T 7193-2008 |
Casting Properties：
| Performance | Parameter | Unit | Standard test |
|---|---|---|---|
| Appearance | Casting with no blemish | ||
| Pasteurian hardness | 42 | GB/T 3854 | |
| Tensile Strength | 60 | Mpa | GB/T 2567-2008 |
| Tensile modulus of elasticity | 3800 | Mpa | GB/T 2567-2008 |
| Bending strength | 110 | Mpa | GB/T 2567-2008 |
| Bending elastic modulus | 3900 | Mpa | GB/T 2567-2008 |
| Impact strength | 10 | KJ/m2 | GB/T 2567-2008 |
| Heat distortion temperature | 70 | ℃ | GB/T 1634-2004 |
Instructions：
1.The resin includes wax but no accelerator or thixotropic agent
2. Accelerator mixed ratio :0.8%-1.5% of resin ,Hardener mixed ratio : 1.5%-2.0% of resin
3. This one resin is sensitive to sun .it maybe will curing . so avoid opening before using under strong sun .
4. Resin is 3 class dangerous liquid .anytime should be away from obvious fire
5. Shelf life is about 6 moth below 25℃ dark and cool
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