Tài liệu Visual gloss level & coloring evaluation; docx

TIGER DRYLAC

Quality Control


Test instruction

Visual gloss level & coloring
evaluation;



PA 12


Approved by:
Ing. M. Mathe
Issue date
October 95
Update status
01
Folder - Nr
HQ 03 - 18
page
1/1
1. Purpose / Target:
This test is with effect enamels the only possibility to judge the parameters. For the remaining
coatings it serves for the check of the measured values.
2. Description of the procedure:
2.1) Testing sets:

RAL - card
Reference sample

2.2) Execution
The test sheet metal must be cleaned with recognizable pollution before the measurement
with a soft cloth. With powder coatings the color evaluation on a non-chromated aluminum
plates takes place.
The sample which can be evaluated is compared with the reference samples under a daylight-
lamp under different angles.

2.3) Analysis
The color must correspond with that of the reference sample (e.g. RAL card).
The gloss degree must be situated within the defined area.
The other impression of the surface must correspond with the reference sample.

2.4) Release guidelines
If fulfilled the request, then the product is to be released regarding this check. If the requests
weren’t fulfilled, then the product (whole load) is to be locked provisionally to submit and to
the QA for evaluation (in co-operation with the responsible laboratory).