Eastman™ Chlorinated Polyolefin 343-1 is a 25% solution of a chlorinated polyolefin in xylene. It is 18-23 wt. % chlorine and has a Gardner color value of 7. Chlorinated Polyolefin 343-1 (25% in xylene) is a liquid at room temperature. If the solution gels due to storage at low temperatures, it can be re-liquefied by warming with agitation. CP 343-1 has good resistance to high temperatures. It can withstand 110° C for 20 minutes. A thermogravimetric analysis suggests it will withstand appreciable higher temperatures.