SH7550 Crude Oil Wax Content Tester for Wax Test Per SY/T‑7550 Low‑Moisture Crude Oil Sample Analysis SH7550 Crude oil wax content tester is designed and manufactured according to the requirements of the People's Republic of China industry standard SY/T-7550 "Determination of wax, gum and asphaltene content in crude oil". It is suitable for the determination of wax content in crude oil products with water content less than 0.5%(mass fraction). Performance characteristics: