Mercedes-Benz delivery specification for coatings of plastic parts in vehicle interiors.
The DBL 7384 refers to painted, coated, foiled components in the vehicle interior.
After preconditioning, the following tests are carried out in accredited area possible with us
color and gloss evaluation
according to DIN EN ISO 3668, DIN EN ISO 2813
layer thickness determination
according to DIN EN ISO 2808 by grinding
liability checks
grid or cross cut according to DIN EN ISO 2409
Writing sensitivity with Erichsen hardness test rod type 318
according to DBL 7384 with fingernail
impact strength according to Oesterle
scratch resistance according to DBL 7399
Visual assessment
according to VDA 16
durability
DBL 7384 with test fluids
cream resistance
according to DBL 7384
friction test
with Crockmeter according to DBL 7384
media resistance
(drop test)
resistance to temperature influences
according to DIN EN ISO 2812-4
(cleaning agents, artificial sweat, surfactant solutions, ..)
Test substances Cola, orange juice, sunscreen
aging resistance
hot water test according to DBL 7384
hydrolysis test according to DBL 7384
Condensate storage after
DIN EN ISO 6270-2
temperature change test according to DBL 7384
odor test
according to DBL 7384, VDA 270
hot light aging
according to DIN EN ISO 105-B06
emissions tests
according to VDA 278
Abrasion resistance
according to DIN EN 60068-2-70
