| abstract |
The phosphorus (P) content is in the range of 2,000 to 25,000 ppm based on the phosphorus (P) atom, the foaming ratio satisfies 2 to 60 times, and the flame retardancy is NF P 92-503, NF P 92-504 and NF P 92-505 It relates to a polyester resin foam that is rated M1 when evaluated by one or more criteria, has excellent flame retardant properties, and does not emit toxic gases during fire or disposal by using a phosphorus-based flame retardant. |