【Excellent Adhesion!!】 For Stained Glass Only Black Patina 100cc This patina is for blackening solder joints (^^) It has excellent adhesion, and anyone can easily blacken the solder!! (No rinsing required!!) 【★Usage Notes】 Apply to the solder joints with a cotton swab, etc., and let it air dry or dry with a hairdryer, then polish with poly wax to add shine♪ ★Please note that you do not wash it with water♪ This is a recommended product from our atelier, so please give it a try. We offer contactless pickup and will ship in a thin container for postal delivery. Please refer to the second image. #stainedglass #AtelierGiovanni #suncatcher #handmade #antiquepatina #blackpatina #solder #coppertape #glasscutter #glasscutteroil #edco #flux