White latex adhesive is a common water-based adhesive in woodworking. Judging its quality is very important because whether for manufacturers or home decoration, using poor quality white latex adhesive will contain a lot of formaldehyde and other harmful substances. If such white latex adhesive is used, it will harm the health of woodworking craftsmen and businesses. So I will tell you how to judge the quality of white latex adhesive.
To tell the good from the bad of white latex adhesive, woodworking adhesive manufacturers will teach you a simple method.
1、If it is white latex adhesive from a regular woodworking adhesive manufacturer, you can open the lid and smell it first. Good quality water-based white latex adhesive has no smell, while poor quality will have a pungent and irritating smell. Also, after being placed in the air for a while, the surface of good white latex adhesive from a good woodworking adhesive manufacturer will have an elastic oxidized film that is not easy to break. On the contrary, the film on poor quality adhesive will be very thin and will break with a light touch.
2、For good white latex adhesive produced by a good woodworking adhesive manufacturer, when gently touched by hand, it feels very smooth and fine, with no rough edges. Stir the adhesive with a wooden stick, then gently lift the stick. Good white latex adhesive will form a fan shape.
3、White latex adhesive produced by good woodworking adhesive manufacturers has a high solid content, so its drying time will be shorter than that of general poor quality adhesives, and the quality is better.
4、The key is the wood failure rate and the condition of glue line opening. Good white latex adhesive will have a large area of substrate damage on the cross section and will not open at the glue line. This kind of white latex adhesive is of very good quality.