kleju
Klej is a generic term for an adhesive used to bond two surfaces. In Polish, klej is the word for glue, and kleju is the genitive form used in phrases like 'ilość kleju' (the amount of glue). Adhesives are materials that join substrates by forming chemical or mechanical bonds through curing, drying, or swelling.
Adhesives are broadly categorized as natural or synthetic. Natural adhesives include starch-, casein-, and gelatin-based products.
Common applications range from woodworking, paper crafts, and packaging to automotive, construction, and electronics assembly. The
Bond formation involves adhesion to surfaces and internal cohesion within the adhesive material. Curing can occur
Safety considerations include flammability, fumes, and skin or eye irritation for many adhesives. Work in well-ventilated
Historically, glues were derived from natural sources such as animal collagen and starch. The modern kleju