Mátrametál Kft.Standard test performed for aluminium tubes
After extrusion, cutting and threading
- Checking the dimensions of tubes: length, thickness of the shoulder and the tube mantle
- Thickness of the membrane, piercing of membrane, seal of membrane – with petroleum and pressurized air
After application of internal lacquer
- Coating thickness, evenness
- Acetone resistance (polymerisation)
- Electrical conductivity test – DIN 55436
- Crush test (flexibility/adhesion)
- Ammoniac resistance (hair colour tubes)
- Mercury-chloride test (pharmaceutical tubes)
- Boiling test (sterilizable tubes)
After base coating and colouring
- Coating thickness, spreading
- Crush test (flexibilitx/adhesion)
- Lithography, colours – Gretag-Machbeth colour measuring device
- Barcode
After capping and application of latex
- Seal of closure
- Latex application
- Mechanical deformation (guillotine test)
Special test can be performed on request by individual agreement.