Product type: Unsaturated polyester resin 227
Chemical category: o-benzene
Molding process: other
Application areas: surface coating
Feature description: good toughness, high hardness, good sandability, the surface of the product is flat without pinholes, suitable for piano and other high-grade wood paints
| Technical specifications for liquid resin |
| ITEM |
UNIT |
INDEX |
TEST STRANDARD |
| Appearance |
|
Viscous liquid |
|
| PH Value |
mgKOH/g |
|
GB2895 |
| Viscosity (25ºC) |
mPa.S |
700-950 |
GB7193 |
| Gel time |
min |
3-5 |
GB7193 |
| Non- Volatile |
% |
|
GB7193 |
| 80ºCstability |
h |
≥24 |
GB7193 |
| Note: the gel time was in 25ºC air bath,50g resin was added with 0.5ml Cobalt octoate solution and 0.5ml MEKP solution |
| Performance index of resin casting (for reference only) |
| ITEM |
UNIT |
INDEX |
TEST STRANDARD |
| Barcol hardness |
Barcol |
|
GB3854 |
| tensile strength |
MPa |
|
GB2567 |
| Tensile Modulus |
MPa |
70 |
GB2567 |
| Elongation at break |
% |
3.7 |
GB2567 |
| Flexural Strength |
MPa |
|
GB2567 |
| Flexural modulus |
MPa |
|
GB2567 |
| impact toughness |
KJ/m2 |
10.0 |
GB2567 |
| HTD |
ºC |
70 |
GB1634.2 |
| Note: the ambient temperature was 23±2ºC and the relative humidity was 50±5% |
Net weight 220kg/drum. Packed in metal drums.
Shelf life: 6 months stored at 20ºC
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