ZinKlad....Specification Driven

VW / Audi have approved the following materials to meet the requirements of these finish specifications.
TL 217
TL 153
TL 244

ZinKlad™家庭 Specification Zinc Passivate Top Coat
ZinKlad™ 96 TL 217 Envirozin Genesis TriPass ELV Blue TNT 11
ZinKlad™ 250 TL 217 Envirozin Genesis TriPass ELV 1000 TNT 11
ZinKlad™ 500 TL 153 Enviralloy Fe TriPass ELV 2000 TNT 11
ZinKlad™ 500 B TL 153 Enviralloy Fe-B TriPass ELV Black TNT 11
ZinKlad™ 1000 TL 244 Enviralloy Ni 12-15 TriPass ELV 2000/3000 TNT 11
ZinKlad™ 1000 B TL 244 Enviralloy Ni 12-15 TriPass ELV 5100 TNT 11

Black finish like ZinKlad 500B & 1000B frequently become opaque during the first 72 hrs of NSS testing, however this is not typical 'white corrosion'. No further deterioration usually takes place untill 'true' white corrosion begins to develop at around 300hrs or greater.