Maximum standards. Tested quality.
We ensure excellence. In quality and product safety.
As our customer or partner, you can always expect high-quality products and smooth processes from us. Just one of the measures that we implement in order to reliably meet the highest of standards is the operation of our own central laboratory in Lengerich, in which we undertake physical, analytical, and sensory tests. With an extensive portfolio of measures ranging from quality planning and control as well as in-process control up to and including qualification and validation, we ensure that our products comply exactly with your specifications and can be used with the maximum of efficiency. All Bischof+Klein locations are certified according to DIN EN ISO 9001:2015.
Hygiene and product safety
Excellence is also a matter of course for us in terms of hygiene and product safety. All Bischof+Klein locations are certified according to a standard (BRCGS Packaging Materials or FSSC 22000) recognized by the Global Food Safety Initiative (GFSI). We ensure the integrity and compliance of our products and processes by means of systematic risk
The Bischof+Klein central laboratory – services and advantages:
- Tests in accordance with the industry’s usual standards (DIN, ISO, ASTM, FINAT, AFERA, etc.)
- Development of own test methods, adaptation of non-industry tests, and test method determination for special applications
- Close cooperation with DIN and accredited test laboratories
- Physical tests, e.g.:
- Tensile testing of films, laminates, and seals
- Dimension measurements
- Elongation
- Tear resistance
- Sliding and static friction (CoF)
- Flexural strength
- Grease density [Greaseproofness]
- Dynamic dart drop test, dart drop
- Roughness
- Melting point and melt flow
- Colorimetry
- Gelbo flex test
- Haze, transparency, clarity
- Opacity
- Gloss
- Tightness
- Analytical tests, e.g.:
- Material analyses (IR, ATR)
- Determination of primary aromatic amines
- Microscopy
- Permeation measurement (WDD and O2)
- DSC analysis
- Residual moisture measurement
- Water content measurement
- Formaldehyde content
- Climatic tests
- Residual solvent (GC, GC-MS)
- Wetting angle measurement
- Sensory tests (odor, taste)