| Customization: | Available |
|---|---|
| Molecular Principal Chain: | Element Organic Polymer |
| Color: | Ligtht Yellow |
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E4 is a new type of accelerator produced from cobalt isooctanoate and styrene as main raw materials. It has high purity, good color and high cobalt content, and is widely used in various FRP products, gel coats, vinyl ester resin, etc. And it can improve the quality of products. It is currently the most ideal accelerator for curing of unsaturated polyester resins at room temperature in China.
| Item | Result |
| Appearance | Purple |
| Gel Time 25ºC Min | 7-15 |
| Cobalt % | 0.7-0.9 |
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