System 20 2.1 VOC 4:1 High Build Primer Black - 1L Use for spot repair and large panels. Excellent build and surface leveling properties. Easy to sand wet or dry. Can be applied direct to metal, over most plastics and over unsanded E-coat, aluminum* and galvanized*. Tintable with up to 10% with urethane mixing base. 2.1 VOC Compliant when used with 2.1 VOC hardeners Requires System 20 hardeners * Replacement Hardener Sys 20 250ml hardener Case Qty Hardener 12 Number Supplied 0 Hardener Weight 250 ml UP2274V