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Advantages and disadvantages of waterborne polyurethane adhesives
- 2022-03-04 10:54:14
- admin
Waterborne polyurethane adhesive is a kind of high-grade adhesive, with excellent flexibility, impact resistance, chemical resistance and wear resistance, the most important is its low temperature resistance.It has adsorption and chemical bonding effect on many kinds of materials. It can not only bond porous materials, but also bond smooth surface materials. It is widely used. Polyurethane adhesiv...
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What is flexo printing ink
- 2022-07-09 11:45:48
- admin
Flexo printing ink characteristics: 1 Water-based ink (mainly used for paper printing) Water-based ink is the biggest characteristic, the use of water-soluble or water-dispersive resin as a linker, reduce the discharge of organic volatile matter, it can completely eliminate some toxic substances to the human body and the pollution of packaging goods.Water-based ink makes less investment in environ...
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Description of water-based ink link material
- 2022-03-10 17:30:52
- admin
With the improvement of social progress and people's awareness of environmental protection, water-based ink in the field of packaging printing ink has attracted much attention.Water-based ink is more widely used in the fields of paper, food, medicine, packaging and printing because it has very low organic volatile matter (VOCs) and green environmental protection. However, in the field of gravure p...
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Application of waterborne polyurethane adhesive for printing
- 2022-03-18 18:02:55
- admin
The most important application indexes of water-based adhesives in the packaging and printing industry mainly include four aspects: bonding strength, high/low temperature resistance, moisture resistance and viscosity holding.In practical application, defects such as weak adhesion and brittle degumming film are basically caused by the above four application indicators are not up to standard.In prac...
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Ink anti anti viscosity and water-based ink resin is related to it
- 2022-03-24 16:28:53
- admin
Water-based ink resin is the carrier of pigment in ink, is the core material of ink, its quality, will directly affect the performance of ink, because water-based ink resin to a large extent determines the viscosity of ink, dry fluidity and other properties.Anti - viscosity is an important physical property index of printing ink.Intaglio printing is a kind of printing with high order ink supply, g...
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Waterborne polyurethane ink series own characteristics
- 2022-04-02 15:20:11
- admin
In recent years, China's food packaging industry has developed rapidly, and the consumption of ink printing has increased significantly. With the continuous progress of China's industrialization in breadth and depth, various environmental and food safety problems have become prominent.The field of flexible packaging, especially as the food packaging industry involved in the estimated contact with ...
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How to improve the qualified rate of water-based plastic composite ink
- 2022-04-07 16:52:58
- admin
Water-based plastic composite ink is a product with water as the solvent. From the perspective of printing mode, water-based ink is not suitable for offset printing at present. Its main application fields are flexographic printing gravure printing and screen printing. Printing costs are related to the raw materials selected by ink manufacturers, such as the size of the molecular weight of the resi...
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Polyurethane ink types (acrylic ink without benzene alcohol, etc.)
- 2022-04-08 16:44:38
- admin
From the development of printing industry in developed areas of the future development track can be considered in China's packaging and printing industry to take the road of environmental protection is an inevitable trend, and the environmental protection of ink plays an increasingly important role.Although the stage has not yet established green ink or environmental protection ink discrimination ...
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Water - based ink resin using characteristics
- 2022-07-09 11:43:53
- admin
Water-based ink resin is suitable for intaglio printing ink. The ink coating prepared with this product has good film forming ability, quick drying, high gloss, high hardness and scratch resistance, good film forming ability on the surface of paper foil and good compatibility with water-based pigment. Application characteristics 1 Good film formation 2 Suitable for a variety of substrates, good ad...
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How much do you know about the application of water-based composite adhesive in flexible packaging industry
- 2022-04-14 17:46:06
- admin
With the continuous enhancement of human awareness of environmental protection, environmental laws and regulations are constantly introduced and improved all industries are working together in the direction of environmental protection, green and health.With the development of flexible packaging industry, it has become an inevitable trend to reduce and remove organic solvents used in compounding.Wa...
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Waterproofing principle of waterborne polyurethane fabric coating agent
- 2022-07-09 11:41:28
- admin
Waterborne polyurethane fabric coating agent can give the fabric a good soft and plump feel and skin feeling, and the anti-wrinkle, anti-shrinkage, resilience and flexure of the coated fabric have been greatly improved, waterproof waterproof polyurethane fabric coating agent has become the fabric manufacturers and consumers favored object.So how does waterborne polyurethane work as a waterproofing...
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The difference between acrylic pressure sensitive adhesive and EVA hot melt adhesive
- 2022-04-28 15:03:25
- admin
Acrylic pressure sensitive adhesive is a large range, PUR is one of them, most of the acrylic pressure sensitive adhesive is heated operation, can be reheated after bonding, is reversible.And PUR is wet reaction acrylic pressure sensitive adhesive, heating operation, after bonding and moisture in the air reaction, after the reaction is irreversible (that is, heating will not melt). So PUR is more ...
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How to distinguish the excellent properties of glue
- 2022-07-09 11:32:07
- admin
Finally, ordinary glue products, ordinary glue products have a certain elasticity and softness, and have a good tensile length but tensile strength and strength is not very large, adhesion welcome you to consult, this is our email sales@sinogracechem.com
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The development of label printing promoted the development of ink
- 2022-07-09 11:29:23
- admin
As we all know, with the development of society, people attach importance to food safety and so on, label printing is greatly encouraged, and label has become comparable to packaging. The development of label has driven the development of label printing, and ink is the main medicine in label printing,In the field of label printing, ink can be generally divided into three categories, namely: water-...
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Nonstick coating for nonstick pans
- 2022-07-09 11:22:08
- admin
Non-stick pot is cooking will not stick to the bottom of the pot, because the bottom of the pot uses a non-stick coating, the common non-stick can best have teflon coating and ceramic coating. The non-stick pan overcomes all the shortcomings of the traditional pot, easy to clean, a light wipe is clean, non-stick pan can easily fry food without sticking to the bottom, can minimize the oil, the kitc...
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Common surface treatment methods for automotive interior parts bonding
- 2022-07-09 11:16:41
- admin
Surface treatment of metal materials 1)metal material surface degreasing: organic solvent degreasing alkali degreasing electric degreasing ultrasonic degreasing 2)metal material surface derusting 3)Activation treatment of metal surface 4)Metal surface sandblasting treatment: increase the surface roughness Surface treatment of non-metallic materials 1)Mechanical treatment: sandpaper grinding, etc 2...