Specifications for a Quality Label for Paint, Lacquer and ... - Qualicoat

AppendicesA2 – Specifications for Decoration1. Purpose of the SpecificationsDue to continuous research to develop new finishes, widening the field of applications for coatedaluminium, it is important to define evaluation criteria in order to judge compliance with thespecifications and laws now in force.New technologies producing special finishes (such as wooden effect), called decorations, havebeen developed. Different kinds of technology have been established. They are based forexample on the transfer of images on coated supports, or on a powder on powder applicationusing suitable technologies.The object of the following procedure is to ensure constant control of the finished product so thata QUALIDECO licence can be granted for external use.The procedure does not include process tests because the technology is patented.2. Steps for granting and renewing a QUALIDECO licence2.1 Preliminary conditionsThe company which performs the coating cycle must hold the QUALICOAT quality label toguarantee that it applies the coating under the best conditions and has the equipment for thetests.The powder coating must be approved by QUALICOAT.2.2 Work Specifications2.2.1 StovingTo obtain decorated finishes, it is necessary to have a stoving process that operates with asystem to check the metal temperature, under the conditions prescribed by the supplier of thedecoration system.2.2.2 LaboratoryThe decorator must at least be equipped with the following apparatus:♦♦specular glossmeterinstrument for measuring coating thickness2.2.3 In-house controlThe decorator is obliged to monitor the production processes and inspect the decoratedproducts in accordance with the following procedure:♦Incoming materials controlThe decorator must have a register showing all data concerning the material receivedand to be decorated (date, lot, coater, coater’s licence, powder supplier, approvalnumber of the powder, basic colour).All the coated material must be delivered with a certificate of conformity. This certificatemust be archived by the decorator.11 th Edition - 46 - APPENDIX 2