Neoprene/chloroprene rubber -CR .
Neoprene, chloroprene (ie, 2-chloro-1,3-butadiene) alpha-polymerization hmanga siam synthetic rubber chu a raw material ber atan a ni.A taksa leh a mechanical property tha tak, oil resistance, meialh laka invenna, meialh laka invenna, ni êng laka invenna, ozone resistance, acid leh alkali resistance leh chemical reagent resistance a nei a ni.