SH2539B Automatic Paraffin Melting Point Tester ASTM D87 for Paraffin Wax Melting‑Point Lab Testing Equipment SH2539B Fully Automatic Paraffin Melting Point Determinator is designed and manufactured in compliance with the national standard GB/T 2539-2023 "Determination of Melting Point of Petroleum Wax by Cooling Curve Method," ASTM D87, and ISO 3841. This dual-temperature water bath instrument is specifically designed according to the requirements of the national standard GB
