|
|
|
Content .. 1015 1016 1017 1018 ..
NOTE: The identification of the type of plastic is necessary for the plastic welding process If an identifier is missing or cannot be made out, the following easy to perform tests will Visual Inspection Visual inspections mainly serve to identify PUR and GRP materials. Thermoplastic Identification characteristics: When PUR cracks or similar damage occurs, pores of foam can be seen. Mechanical test: The plastic group can be determined by a sound test: Degree of hardness - the higher-pitched the sound, the harder the plastic. Sanding test In this a place is chosen which will not be visible later, and the finger belt sander is used to
|