How To Choose Good Quality Polythene Sheet?
a, Appearance check
Check the appearance of PE sheet, including such items as: flatness of the sheet, uniformity of colour, surface finish, colour, cutting area, thickness, good quality sheet generally these indicators to a higher level.
b, enterprise technology certification
In general, the strength of the more powerful indebtedness table of the enterprise, more have a number of certifications, for example, through the ISO9001 quality system certification, the national industry industry standards, with PE sheet processing equipment, complete physical and chemical testing means, reliable quality certification system.
c, the judgement of physical properties
High-quality PE sheet must be excellent physical properties, there are also many indicators, odourless, non-toxic, feel like wax, insoluble in common solvents, small water absorption, excellent electrical insulation properties, low density, good toughness, good dielectric insulation, low water absorption of water vapour permeability is low, chemical stability.