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Unsaturated polyester resin TR-968 |
| Performance index of Liquid resin: |
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Unit |
Test standard |
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| Appearance |
transparent light yellow liquid |
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| Acid value |
18-28 |
mgKOH/g |
GB 2895-82 |
| Solid |
63-71 |
% |
GB 7193.3-87 |
| Viscosity at 25℃ |
0.32-0.58 |
Pa.s |
GB 7193.3-87 |
| Stability at 80℃ |
≥24 |
h |
GB 7193.5-87 |
| Typical curing performance: |
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Unit |
Test standard |
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water bath at 25℃, add 2ml methyl ethyl ketone peroxide solution and 4ml cobalt isooctanoate solution into 100g resin |
| Gel time |
7.5-14.5 |
min |
see GB 7193.6-87 |
| Performance of cured resin: |
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Unit |
Test standard |
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| Appearance |
Casting body with no defects |
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| Barcol hardness |
≥45 |
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GB 3854-83 |
| Heat deflection temperature |
62±5 |
℃ |
GB 1634-89 |
| Elongation at break |
≥3.0 |
% |
GB/T 2568-1995 |
| Tensile strength |
≥60 |
Mpa |
GB/T 2568-1995 |
| Modulus of elasticity for tension |
≥2500 |
Mpa |
GB/T 2568-1995 |
| Bending strength |
≥90 |
Mpa |
GB/T 2568-1995 |
| Bending modulus of elasticity |
≥3000 |
Mpa |
GB/T 2568-1995 |
| Oxygen index (Glass fiber reinforced plastic) |
≥34 |
% |
GB 8924-88 |
| Flame retardancy |
In accordance with GB2408/1, fire extinguished in 2 seconds |
GB/T 2408-96 |
Packaging, storage condition:
TR-968: Net wt 220KG metal pail. with 3 months of shelf life at 25℃. |
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