HomeProductsASTM Petroleum GlasswareD381 Gum Content in Fuels by Jet Evaporation D381 Gum Content in Fuels by Jet Evaporation Part No. Description DCP-0381-001 D381 100ml BEAKER w/ SERIAL # 10003C 3C THERMOMETER 10003C-C 3C THERMOMETER, w/ ISO 17025 ACCREDITED CERTIFICATION