Construction, Hidden Defects
Construction regulations not observed
Construction sequence not observed
Wrong material
Missing parts
Wrong components
Cord layers
Wrong raw materials
Overlaps, fabric seams
Kern, Bändchen (too short etc.)
Hardness (Shore A, ° Micro)
Screw bores, threads
Welding (synthetic belts)
Semi-finished goods not okay
Structure not okay
Construction, elasticity not okay
Fabric angle (warp / weft)
Chlorination not okay
Special Properties
Tensile Strength not okay
Adhesion (Fabric, Cord, Base)
Electrical conductivity, antistatic,
high tension testing not okay
Operation, running time / premature
failure)
Running Noise
Tension (Elastic Belts)
Residual imbalance
Cutting equipment (knife, roller)
Measuring machine (Test Equipment
approval, measuring weights)
Welding equipment
Rip elongation not okay
Viscosity
Rheometer curve not okay
Thickness
Dampness
Adhesion
HSW/HSK value not okay
Expiry date
Lead/weakening(attenuation) equivalent
Modulation value
Inflammability