Flame-retardant PPA: "Flame-retardant armor" to protect high temperature and safety

In the modern industrial field, materials must face multiple tests of high temperature, mechanical load and fire risk at the same time. Flame-retardant PPA (polyphthalamide), as an excellent high-performance engineering plastic, has become the "safety guardian" of the electronics, automotive, aerospace and other industries with its unique molecular structure and sophisticated flame-retardant design. This material can not only maintain stable performance in a high temperature environment above 200°C, but also effectively curb the spread of flames when a fire breaks out. It can be called an "all-round player" in the material industry.

About the material code of flame-retardant PPA: Semi-aromatic structure PPA is a semi-aromatic polyamide formed by the polymerization of terephthalic acid or phthalic acid and aliphatic diamines. This structure makes it have the processing convenience of aliphatic nylon materials and the high temperature resistance of fully aromatic polymers.

Material properties of flame-retardant PPA:
High temperature resistance: The long-term use temperature of ordinary nylon (such as PA66) is about 120°C, while the heat deformation temperature of flame-retardant material PPA can reach above 280°C, and the short-term temperature resistance even exceeds 300°C.
Low water absorption: The water absorption rate of PPA is only 1/5 of that of PA6. It can still maintain its performance stability and electrical insulation in a humid environment, which is an important reason why it is suitable for precision electronic components.