Continuous use temp to 150 degree C. High purity, chemical resistant, ESD safe. Clean room and medical devices approved with low extraction value. Made from SV plastic based on polyvinylidene fluoride (PVDF) for good mechanical strength and toughness, smooth surface. Excellent chemical resistance to most aggressive substances. Set of five tweezers styles 702A, 705, 707, 708, 709, 710.