fluxus conflandum descriptionem indexer ,which It is not only applicable for the material such as polyethylene, polystyrene, polypropylene, ABS resin and POM resin with low molten temperature, but for polycarbonate, poly-oxide, plastic fluorine, nylon with high molten temperature. It is the ideal instrument for scientific research institutions, factories and enterprises, university institutes, technica vigilantia, commodity inspection arbitration.