HJT-31A by Shandong Huijin Chemical is an epoxy resin curing agent. It can cure epoxy resin at 0°C. It is reacted from the phenolic resin modified ethylene diamine. It is soluble in ketone, methyl alcohol, ethanol and dimethyl benzene and slightly soluble in water. It provides high hardness, good surface solvent resistance, good scrub resistance and high bonding strength. HJT-31A is recommended for paint. It can be used in water-proof project, pipeline prime coat, ship industrial prime coat and flooring coating’s seal off prime coat.
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HJT-31A properties
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| Properties | Value & unit | Test condition | Test method |
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| Amine Number | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Moisture Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility Properties | Element | Condition | Method |
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| Slightly soluble in | Visible After Login |