... , ABS, PP, PA6 (nylon6), PA66 and other materials into the oven and heat up. Those Softening and degradation occur around 90 ... are PA6 materials, however when the temperature of the thermal barrier strip made of PA66 materials if under 240°C, there is ... change on the appearance. In short, the quality of thermal barrier strip is the one without any obvious change on the appearance under the high ...