Coating knowledge: how to detect the adhesion of paint

Core tip: how to test the adhesion of paint: paint is an indispensable material for people's home decoration Although there are many kinds of wall decorations, most people still choose paint, because paint is not only economical, but also can meet people's individual needs for color and decoration Now let's introduce how to judge the adhesion of the paint Let's have a look at it quickly! How to judge the adhesion of the paint? A first use an artist's blade or a scriber to draw the shape of a cross lattice on the paint coating The cut of the scriber should reach the bottom of the paint, and make one knife each horizontally and vertically to form a hundred small squares The lattice is 1mm & times Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Paint Home News: how to test the adhesion of paint: paint is an indispensable material for people's home decoration Although there are many kinds of wall decoration, most people still choose paint, because paint is not only economical, but also can meet people's individual needs for color and decoration Now let's introduce how to judge the adhesion of paint If you don't know, let's have a look! How to judge the adhesion of paint? A first use an art blade or a scriber to draw the shape of a cross lattice on the paint coating The cut of the scriber should reach the bottom of the paint, and make one knife each horizontally and vertically to form a hundred small squares, with a lattice of 1mm × 1mm B Brush the small pieces five or six times in the direction of the small grid angle line with a brush, and then stick the small pieces on the incision with tape and pull them apart The adhesive force of the tape shall be 350-400g / m2 C Finally, we use a magnifying glass to observe the lattice area D See the following test standards for paint adhesion for the test results The test standards for paint adhesion are mainly the number of top coat or electroplated layer glued by adhesive tape and the percentage of 100 grid There are five grades in total: A ISO grade: 5 = ASTM grade: 0b, which means the peeling area of paint is greater than 65% B ISO grade: 4 = ASTM grade: 1b some or all of the squares are peeled off, and the peeling area is greater than 35% - 65% C ISO grade: 3 = ASTM grade: 2B represents partial peeling or large area paint peeling along the edge of the incision, and even some lattice parts are peeled completely, with an area of more than 15% - 35% Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,