ASTM centrifuge tubes for oils, with conical base, borosilicate glass 3.3 Conical bottom centrifuge tube is used for testing of petroleum products. Scale and legend are durable white ceramic enamel except California type. Top is tooled to accept snap cap. Conforming to USP Type I and ASTM E438, Type I, Class A requirements. Product Specification: Type: 8'' Oil and weathering (end point index), ASTM D2158 Capacity: 100ml Diameter: 37mm Length: 203mm Graduation: 0-0.1 / 0.1-0.3 / 0.3-1 / 1-3 / 3-5 / 5-10 / 10ml Tolerance: 0-0.1 / 0.1-0.3 / 0.3-1 / 1-3 / 3-5 / 5-10 / 10 0.02 / 0.03 / 0.05 / 0.1 / 0.2 / 0.5 / 1.0 ±ml Catalogue Number 6.289 839 Manufacturer Kimble Kontes Manufacturer P/n 45241-100 Ø mm 37 Length mm 203 Type 8" Oil and weathering (end point index), ASTM D2158 PK 12 Volume ml 0-1 / 1-3 / 3-6 / 6-10 / 10-100 Capacity ml 100 Grad. ml 0.05 / 0.1 / 0.2 / 0.5 / 1