Service Item
HL-B400
Key words:
Epoxy resin product series
Classification:
Epoxy resin product series
Basic characteristics:
HL-B400 is a high-bromine-content epoxy resin synthesized by reacting tetrabromobisphenol A with ECH, with a bromine content ranging from 46% to 50%. Due to the presence of the flame-retardant element bromine in its molecular structure, brominated epoxy resins can be used as flame retardants and are commonly employed in printed circuit boards.
Chemical structural formula:

Technical indicators:
| Product name | HL-B400 | |
| Appearance | Laminar solid | |
| Technical indicators | Epoxide equivalent weight (g/eq) | 380~410 |
| Hydrolyzable chlorine (ppm) | 0~200 | |
| Softening Point (℃) | 65~75 | |
| Bromine content (%) | 46–50 | |
| Hue (G) | 1.0max | |
Storage:
Sealed packaging, keep away from light and heat, store at room temperature; shelf life: 12 months.
Packaging:
Bagged.
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