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there is permanent deformation. It is difficult to strictly divide the three types of polymer. For example, PVC is a typical plastic, but can also be pumped into a fiber, with proper amount of plasticizer soft products can be made of rubber. Usually nature soft paper, a certain degree of compressibility, a very irregular surface. Visible, polymer and paper products produced after deformation, in a compressed State, so flexible packaging materials generally have a certain amount of strain rate and, therefore, thickness measurements in time whether a pressure on the surface of the sample will directly influence the test results.
For film makers, the thickness uniformity of the products is one of the most important indicators, to effectively control the material thickness, thickness testing equipment is essential, but what kind of thickness to select equipment needs on the basis of soft package material types, manufacturers on the thickness uniformity of requirements, as well as equipment depends on factors such as the range of tests.
Characteristics of conductive fabric tape
Daerxin, conductive cloth tape, which is made of conductive fabric tape, on the basis of its properties are in conductive fabric adds "plastic" characteristics, and its important features can reference entry---conductive fabric. General industry hopes "glue" Conductive glue, known as "nickel" component, in order to have magnetic shielding effect. But there is not need to just plain acrylic conductive adhesive glue or a hot-melt Adhesive, aim of producing conductive fabric has a good viscous enough.
Characteristics of conductive cloth tape: good conductivity and shield effect. good resistance to friction, resistance to friction up to 5,000,000 times (NF35B050,ASTM d 4966). a good metal adhesion and z-direction conductivity. good workability (NF35B050): the texture is soft, cutting without Burr, fingerprint-resistant stains, oxidation resistance.