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Feature of PVC labels |
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Release time:2013-05-07 Source:admin Reads: | |
PVC labels are certain toughness, corrosion resistance, slow aging, with the aging process of the material in the course of the printed surface slow small increases in size, but to a certain extent remained stable after different periods stamp printed text areasize did not change significantly, generally do not easily lead to the attention of the staff concerned. The stamped pressure ink under the same conditions, the rubber seal and plastic changes over time under the seal of the main features of the local details of the changes caused by the aging that the impression Daoke traces revealed or bridging and sculpture "flap" tilt or fall off. PVC labels of the internal structure of uniform, non-absorbent, the degree of aging between the atomic seal plastic seal between the relative plastic horns seal is easy to aging and changes in the size of the printed text. The same time as the rubber soft, elastic, stamped the size of the pressure and a backing of hard and soft form of printed text, the outer diameter of the larger impact, so we should distinguish between the size of the printed text of the material caused by aging irreversible change with pressure Seals shape, size, underlay cause hardness reversible changes in the outer diameter difference. Elasticity and hardness of the PVC labels between the rubber, atomic seal with horns and glass seal between the soft texture, there is a certain flexibility. It prone to wear, easy to bump off, that it covers lasted printed text, abrasion and bump characteristics are reflected more fully, you can see both text lines gradually thicker, corner gradually becomes dull, you can also see the text line depression, defects such bump phenomenon. |