Catalog > Consumer Electronics > Kits > Kemo Kits Corrosive for Engraving PCBs 100GR Corrosive Engraving PCBs 100GR Corrosive KEMO A100 CORROSIVE FOR ENGRAVING PCBs 100GR Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Sufficient for 500ML Water (Sodium Persulphate)