naarmunkestäviä
Naarmunkestäviä is a Finnish term that translates to "scratch-resistant" in English. It refers to the property of a material or surface that allows it to resist damage from scratching. This characteristic is highly desirable in many applications where surfaces are subjected to friction and abrasion.
The scratch resistance of a material is determined by its hardness, toughness, and surface properties. Harder
Applications where scratch resistance is important are widespread. In consumer electronics, screens of smartphones, tablets, and