Random checked are carried out at every stage of production in accordance with the specification. This is not only carried out the workers own cheeks but also an independent quality control section.

Each Batch is delivered with an internal test report with details on density, viscosity. The data’s are compared with the regulation.

During the production the functional measurements have to be checked included the evenness and the surface in accordance with internal random checked schedules.

By the quality control section independent from the production section.
Established testing instructions and generally in accordance with the valid specifications.