Carton plate storage and application management

Flexible printing, low production costs, flexible processing combinations, and more importantly, the use of water-based ink for environmentally friendly green printing. With the advantages of ordinary printing, gravure printing and other types of incomparable printing, it belongs to the sunshine industry and meets the requirements of long-term development.

Corrugated box printing version, with flexible version as the first choice. Flexo printing has the advantage that other types of printing methods cannot match, and it has outstanding environmental protection features. However, these advantages and characteristics must be reflected in the products, and must be printed with high-quality products before they can be accepted and accepted by users. Flexo printing will develop. Therefore, how to purchase and use flexo is an important issue for each carton manufacturer.

There are two kinds of requirements for the flexo printing plate in the carton factory. One is to entrust the off-site co-workers to make the finished version; the other is to have the plate-making equipment in the factory to make the plate. But in any case, you must first understand what is a flexographic printing plate.

The flexo printing plate used for preprinting cartons is thin, with a thickness of 1.7 ~ 2.84mm and a hardness of about Xiao A500. Currently, it is not widely used in China and is rarely used by manufacturers. The flexo printing plate used in the carton is thicker, with a thickness of 3.94 to 7.00mm and a hardness of about 50 to 45 0 A. It is currently used by most carton factories, and the thickness is 3.94 mm.

For plates, proper storage and management are very important. The following is a brief introduction to the storage and management of flexographic plates in the case of sub-plate making.

Plate storage rules for in-plant making

Unexposed Plates ※ Placed in the box, wrapped in black plastic film ※ Cannot be placed on uneven contact surface ※ Before peeling the film, the surface sheet can be peeled off. ※ After peeling, excessive bending will make The protective layer is wrinkled. These wrinkles will leave a stain after exposure to the plate.

Exposure to the plate ※ Be careful with a piece of cardboard underneath to prevent bending. ※ Protect the face with the original surface sheet.

Wet plate after plate cleaning ※ Avoid contact with the resin surface, otherwise it will form stains ※ Avoid volatile gas inhalation solvent when processing

After drying, the plate is placed on a flat contact surface and allowed to cool. ※ Do not touch the resin layer. ※ Protect from sunlight or other ultraviolet light.

Rules for Storage of Whole Box Plates Provided by Vendors ※ Temperature Control: When the temperature is 5 °C to 25 °C below 100 °C, the plate transferred to the plate making room must be kept stable for a period of time to avoid thermal shock effect on the exposure machine. ※ Humidity control, avoid excessive humidity (<60% humidity)
※ Placement of packing boxes: all flat, no more than 10 boxes per stack

The plate storage rules provided by the plate maker ※ Pure air: well-ventilated, dust-free, solvent-free volatile gas, away from the ozone source (motor power switch, etc.)
※ Temperature Control: Celsius 5 ~ 35 0C
※ No light irradiation: dark room ※ Plates do not touch each other: sufficient air circulation between plates

Source: Long Chen Printing Technology Network

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