Basic concept of gravure greening
1. Safety is the premise
In the gravure process, safety accidents such as fires are likely to occur due to the large amount of organic solvents used, high-speed operation of equipment, and static electricity. Therefore, the safety of the gravure process is more important than the offset, screen and flexo processes. Domestic gravure printing enterprises are mostly small and medium-sized enterprises, and their safety facilities and safety awareness are relatively weak. Almost every year, fire accidents occur, and some gravure printing factories (shops) are burned, which not only causes huge economic losses for enterprises and society. It also brings huge security risks to the surrounding environment.
In recent years, enterprises in the industry have attached great importance to safety work. Some enterprises have put forward the slogan “Safety is the biggest benefit, the prerequisite for achieving all goalsâ€, “Employees do not grasp safety is equal to suicide, and leadership does not grasp safety is equal to killingâ€, reflecting the concave The extreme importance of printing industry safety work.
Gravure printing enterprises should abide by the "Safety Production Law of the People's Republic of China", "Fire Protection Law of the People's Republic of China", "General Rules for the Storage of Commonly Used Hazardous Chemicals", "Regulations on the Safe Use of Chemicals in the Workplace", Relevant regulations related to the gravure printing industry, such as the “Regulations on the Management of Dangerous Chemicals†and the “Code for Fire Safety Management of Warehousesâ€, adopt corresponding safety measures, such as controlling the amount of volatilization in the solvent room, setting personal safety protection devices, preventing electrical short circuits, and eliminating Static electricity, etc.
2. Healthy and beneficial
Health and beneficial, the raw and auxiliary materials used meet the requirements, no harmful substances are added or generated during the printing production process, and the products do not harm the health of operators and consumers. The impact of gravure production process on human health is mainly reflected in the evaporation of solvent to the workshop. If the concentration exceeds the relevant standards, it will have adverse effects on operators and related personnel. The impact of printed matter on human health is mainly manifested in excessive residual solvents, excessive levels of heavy metals, and hygienic safety of ink additives.
This requires gravure companies to comply with relevant regulations and standards, such as the "Food Sanitation Law of the People's Republic of China", GB9683 "Sanitary Standards for Composite Food Packaging Bags", GB9685 "Sanitary Standards for the Use of Additives for Food Containers and Packaging Materials", YC263-2008 "Limits of Volatile Organic Compounds in Cigarette Strips and Box Packaging Paper", GB/T7707-2008 "Gravure Decorative Prints", CY/T11-1994 "Permissible Density and Detection Method of Toluene and Xylene in Air in Gravure Workshop", GBZ2 .1-2007 "Occupational Exposure Limits for Harmful Factors in the Workplace (Chemical Harmful Factors)", GBZ2.2-2007 "Occupational Exposure Limits for Harmful Factors in the Workplace (Physical Factors)", etc.
3. Environmentally friendly
Environmental friendliness is a general term for behavioral characteristics that do not pollute the environment, conserve resources and energy, reduce emissions, and recycle the economy. Specific to the gravure process, at least the following aspects should be included.
(1) Reduce VOC emissions and treat and recycle the discharged organic waste gas when conditions are met.
(2) Adopt energy-saving technology to reduce energy consumption.
(3) Reduce the loss of raw and auxiliary materials and improve the yield.
(4) Improve printing efficiency, reduce preparation time, and improve the quality of printed products.
(5) Proper disposal of printing waste, sewage discharge and noise comply with relevant standards. Relevant standards include GB18597 “Hazardous Waste Storage Pollution Control Standardâ€, GB16297 “Integrated Emission Standard for Air Pollutantsâ€, GB8978 “Integrated Wastewater Discharge Standard†and GB12348 “Environmental Noise Emission Standard for Industrial Enterprises Boundaryâ€.
The above content is selected from Keyin Media. Printing Technology ·Packaging and Decoration》No.3, 2013, please pay attention to the journal channel for more journal content . Click on the latest journal content to enter the electronic journal channel of Keyin.com.
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