Quality standard for tin printing

   Tin printing is widely used in food, beverage, liquor, coating and other outer packaging, tin printing good sealing, extrusion resistance, easy to carry, durable, non-toxic recyclable and many other advantages. Tongcheng Xinglong can Technology Co., Ltd. to introduce you to the quality standards of tin printing.

Tin can surface must be smooth and clean, can not be attached with obvious foreign bodies, sundries. Tank body should not have edges and corners, burrs. The appearance of the surface of the pattern, text should be no serious scratch, scratch, the appearance of the pattern, text ink requirements of correct hue, uniform bright, pattern pattern should be clear network, clear hierarchy, design, text should be clear and complete, no deformation, no burrs, bubbles, uneven paint problems.

Tin printing patterns, text content should be consistent with the sample, no more printing, omission phenomenon, pattern, text overprinting accuracy, overprinting inaccuracy is not more than 0.5mm. Tin layer of tank wall and sealing edge should be complete, no tin pile and tin road roughness, no obvious abrasion and rust, no leakage caused by trachoma.

There shall be no fast mouth, false roll and big collapse edge in the rolling part of the tin making, and there shall be no incomplete roll, roll teeth, iron tongue, jump seal, roll broken, packing extrusion, sharp edge, hanging lip, double line and other defects caused by the failure of the press head and roll roller. The cans are required to be crossed evenly, no bad marking can not open the cover or easy to pull the ring is welded dead phenomenon.

Tinplate can sewing coating belt should be smooth and uniform, fully cover the weld and the empty part, completely cured, without large bubbles and exposed iron point. Printing tin coating should not fall off, internal flow glue, iron sulfide, no serious sulfide spots, oxidation ring. Tin shape should be complete, there should be no deflated tank or protruding Angle deformation.