How to Identify the Quality of Plastic Seals_Branding Packaging for Fashion Industry-Sinicline

How to Identify the Quality of Plastic Seals
Release time:2013-03-19 Source:pengdan Reads:
How to Identify the Quality of Plastic Seals First, from surface, the general surface processings are plating, painting and coloring of three, these surface treatments can form a protective film on the product, play anti-corrosion and anti-rust role, at the same time make the product more attractive and durable. Good quality locks, commonly used plating processing, coating moderate, very uniform, bright color, no bubbles, signs of rust and oxidation phenomena. Second, from the material, the plastic seals material on the market basically divided into stainless steel, copper, zinc alloy, steel and aluminum. Stainless steel has good strength, corrosion resistance, color durable, is the best-made lock material; copper is more generic, superior mechanical properties, the price is expensive; extremely resistant high quality is zinc alloy, corrosion resistance is very strong, easy to molding, generally used to make the mid-range lock. Third, by weight and the sound, to weigh in hand, compare the feel, listen to the sound. Bad products, using hollow material and poor quality materials to manufacture, this material is very light, feel poor and sound boring; good locks are on the reverse.