... free carbon, colloid, asphalt and wax from oil, making black engine oil become transparent golden color. This equipment has ... , degassing, decolor. Improving the engine oil’s properties, restoring the oil’s performance and lowering wear to ensure ... normally and safely, prolonging the engine and engine oil lifetime. IndexUnitCNTP-1000CNTP-2000CNTP-5000CNTP-10000Flow rateL/Day10002000500010000Ratio ...