A document similar to the test report 2.2 described above, but authorised by the manufacturer’s licenced quality controller, who is an independent representative of department different to the production department. The independence of SPETECH’s Quality Control Department from its production department is guaranteed by ISO 9001 system. The standard test results given in this certificate include:

• Seal dimensions;
• Properties of non-metallic materials specific to particular seal type/material;
• Chemical composition and resistance properties of metallic materials;
• Purity of lead materials.