Meta-Aramid paper143(1.4mil),205(2mil),308(2.8mil),410(3.9mil) ismade of Chinese meta-aramid fiber(named "1313" fiber,colour is white).It is mainly used to manufacture honeycomb core in aerospace and commercial use with cheaper price and superior quality. Item 143 205 308 min max min max min max b.w(g/m2) 25.9 35.1 35.9 49.2 57.3 71.6 thickness(mm) 0.031 0.042 0.048 0.066 0.069 0.091 density(g/cm3) 0.87 1.2 0.86 1.02 0.85 0.98 tensilestrength(kn/m) MD 2.04 2.21 3.2 CD 1.7 2.03 2.8 elongation(%) MD 6.5 5.5 7.6 CD 5.8 4.8 3.5 elmendortearstrength(mN) MD 760 545 820 CD 820 615 870 breakdownvoltage(kv) 0.42 0.48 0.65