Product Description
T-309PT is an isophthalic unsaturated polyester resin of pre-accelerated and thixotropic type made with the addition of fumed silica and other adjuvants through thixotropy. The resin enjoys good water resistance,corrosion resistance and mechanical intensity, particularly applicable to auto ,ship manufacture and cooling tower manufacture.
| Technical Indexes of Liquid Resin |
| Item |
Unit |
Value |
Standard |
| Appearance |
|
Pink Liquid |
|
| Acid Value |
mgKOH/g |
11-17 |
GB2895 |
| Viscosity(25ºC) |
mPa.S |
300-625 |
GB7193 |
| Gel Time(Spring,Fall) |
min |
11-19 |
GB7193 |
| Gel Time(Summer) |
min |
20-36 |
GB7193 |
| Gel Time(Winter) |
min |
5-9 |
GB7193 |
| Non-Volatile |
% |
50-56 |
GB7193 |
| 80ºC Thermal Stability |
h |
≥24 |
GB7193 |
| Note: 1.Gel Time is 25°C; in air bath; 0.75 g MEKP solution were added into 50 g resin |
| Performance Indexes of Resin Casting Substance |
| Item |
Unit |
Value |
Standard |
| Barcol hardness ≥ |
Barcol |
40 |
GB3854 |
| Tensile strength ≥ |
MPa |
60 |
GB2567 |
| Tensile modulus ≥ |
MPa |
2500 |
GB2567 |
| Elongation at break ≥ |
% |
2.0 |
GB2567 |
| Flexural strength ≥ |
MPa |
95 |
GB2567 |
| Flexural modulus ≥ |
MPa |
3000 |
GB2567 |
| Impact strength ≥ |
KJ/m2 |
7.5 |
GB2567 |
| H.D.T ≥ |
ºC |
78 |
GB1634.2 |
| Environmental Temperature for Experiment: 23±2°C; relative humidity: 50±5% |
Packing and Storing
Packed in metal barrel of 220 KG net weight or IBC 1000KG net weight.
With shelf life of 6 months at 20°C at ventilated places; avoiding direct sunlight and heat or fire.
Note: The data were tested according to GB standard. Influenced by many factors in the process of fabrication, necessary researches by user are not exclusive. Legally, no warranties for some performances of product are applicable to one specific use, and the rights to amend the materials are reserved.
Application photos
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