BLU DIP adds an attractive chrome-like blue colour to your zinc plated parts . The name used for this process is "passivating". In real terms it is a chromate dip, after plating, the part to be dipped in the BLU DIP is lifted from the plating bath and is then rinsed in a clean water rinse bath.

BLU DIP does not like left over plating chemical, and the DIP will not take to the surface of the part if there are any traces of plating chemical left on the surface to be dipped.

Hold the part to be cleaned by the wire used to hang the part in the plating bath. Use our Partswash in a small container mixed with water and scrub the part clean using a small brush. Do not touch with your fingers. Rinse the part in your rinse bath and do a water break test. This means that when the part is rinsed in the clean water rinse bath and held up to the light, the water on the part must hang on the surfaces of the part in an unbroken clear film. This is most important, if the water breaks into beads, clean again. It is a waste of time going any further with items that are not chemically clean. If you do not have our Partswash use wash up liquid or Sugar soap. Do not touch the part with your fingers.

BLU DIP is supplied in liquid form add the BLU DIP to the appropriate amount of water for the size of the bath you are preparing. The amount used is 20 to 25 ml. per litre.

When you are satisfied that the part to be treated is clean, hold the part by the wire and dip in the BLU DIP for 30 secs to one minute. Lift the part out and dip quickly in and out of clean water, shake or lightly blow with air to get rid of any excess water. The longer that the part is in the mix the darker the part will become. Experiment with some unimportant bits first. Hang the part to dry in the shade. All chemicals that you cannot safely drink are classed as hazardous. Store the BLU DIP in a screw top container and mark do not drink. Keep away from children as it looks like cordial after mixing. The BLU DIP is a passivating dip and the chromate content is only 2%. If used as directed it is safe to use and is not considered dangerous.