Is é snáithín Aramid an t -ainm ginearálta ar shnáithín polaimíde colún aramatacha. Is é Kevlar Fiber an t -ainm branda eachtrach. Chuir an chuideachta tús le taighde i 1968 agus d'fhorbair sé go rathúil í i 1973. D'ainmnigh mo thír féin snáithín aramid. The characteristics of aramid fiber: high strength, high modulus, high temperature resistance, corrosion resistance, low density Advantages: (1) no melting (2) high strength at high temperature (3) fatigue resistance, good wear resistance (4) Compared with inorganic fibers, it has better shock absorption (5) Heat resistance disadvantages: (1) The compressibility is poor, and the compressive strength is less than 1/5 As an neart teanntachta (2) laghdaítear an neart go mór nuair a nochtar é do ghathanna ultraivialait. $ $