一、physical properties
| Items | Technology indexes |
| Appearance | white powder |
| Purity（%） | ≥96.0 |
| melting point（℃） | 247-251 |
| average grain diameter（μm） | 3-4 |
| Moisture（%） | Max. 0.1 |
| dissolving property | Degree of solubility in 100g of solvent |
| Water | slight soluble |
| Methanol | slight soluble |
| Ethanol | slight soluble |
| DMSO | slight soluble |
| DMF | slight soluble |
| acetone | soluble |
| Methyl Cellosolve | soluble |
HD-105-A is the latest patented modified imidazole and a special compound developed for epoxy resin systems that require latency;
HD-105-A uses a special molecular structure design, and through the patented micro-powder treatment, significantly reduce moisture absorption, easier to disperse processing, excellent fluidity and storage stability, effectively extend the reaction gel time, higher HDT.
二、Suggested Applications
Epoxy resin curing agent, accelerator.
三、Method of application
Epoxy resin (Epikote 828):100phr
Curing agent HD-105-A: 5phr
Fumed silica N20:2phr
