Service Item
HL-P638
Key words:
Epoxy resin product series
Classification:
Epoxy resin product series
Basic characteristics:
HL-P638 is a phenolic epoxy resin of the phenol-type. The phenol backbone provides thermal resistance, while the epoxy groups offer reactivity. Compared to bisphenol-A-type epoxy resins, HL-P638 exhibits higher thermal resistance, chemical resistance, and adhesion after curing. It is widely used in electronic materials, composite materials, civil engineering, and other fields.
Chemical structural formula:

Technical indicators:
| Product name | HL-P638 | |
| Appearance | Pale yellow semisolid | |
| Technical indicators | Epoxide equivalent weight (g/eq) | 170~185 |
| Hydrolyzable chlorine (ppm) | 0-500 | |
| Viscosity (cps/70℃) | 3,000–5,000 | |
| Hue (G) | 1.0max | |
Storage:
Sealed packaging, keep away from light and heat, store at room temperature; shelf life: 12 months.
Packaging:
In barrels.
Previous Page
Next Page