Dropping needle is a metal needle that can be loaded and unloaded on the top of the dispensing syringe. Generally speaking, the selection of needle is relatively small, ranging from 14g to 35g. In addition, there are many color systems, and appropriate varieties should also be considered when selecting.
How to Choose Glue-based Dropping Needle
(2) Ultraviolet glue: use amber syringe, white piston and oblique needle (can shield ultraviolet rays). If you choose drip needle for other types, it is not applicable. You should choose needle that can shield ultraviolet rays.
(3) Ultraviolet curing adhesive: black opaque syringe, white piston, choose the needle that can shield ultraviolet ray.
(4) Anaerobic adhesive: 10CC syringe and white polyethylene general piston are used.
(5) Sealants and pasty liquids: If the rebound of the white piston is serious, please switch to the safety charged type, use the inclined drip needle, epoxy resin (epoxy resin) cleaning try to use ordinary toluene solvent storage pressure cylinder to automatically clean each position.
331 glue coating machine
The more frequently the needle is cleaned, the better it can meet the needs of needle selection.