PRODUCT DESCRIPTION SD-6536C Manual Petroleum Product Distillation And Boiling Range Analyzer ASTM D 86 Compressor Refrigeration The SD‑6536C Petroleum Products Distillation & Boiling Range Tester is developed and manufactured complying with Chinese standards GB/T 6536 Petroleum Products — Determination of Distillation Characteristics and GB/T 7534‑2004 Industrial Volatile Organic Liquids — Determination of Boiling Range. The distillation range denotes the temperature