In 2004, China's adhesive production reached 3.79 million tons, an increase of 313.1%, sales of 29.2 billion yuan, and product quality is also rising. The adhesive's end use will continue to be closely linked to users of packaging and non-durable consumer products. They account for about 75% of the total amount of adhesives, and the production and manufacture of corrugated cardboard boxes will remain the largest single application area for adhesives in the world. Starch-based products, due to their low cost and appropriate properties, will Dominance. Hot melt adhesives based on ethylene-vinyl acetate copolymers and styrene block copolymers, especially pressure sensitive tapes and labels, are gaining new uses in the packaging industry. Starch consumption: single-sided machine 3-5 g/m2; double-sided machine 5-7 g/m2. Viscosity: According to different corrugating machines and base paper, and the double-sided machine concentration should be higher than single-sided machine. Comparison of the characteristics of different starches Normal align=center> Special  Sex Normal align=center> corn starch Normal align=center> Wheat Starch Normal align=center> Potato starch Normal align=center> Composite adhesive Normal > Viscosity Normal > Shear stability Normal > gelatinization starting point Normal > gelatinization temperature Normal > structure Normal > 1. All texts, pictures, audio and video presentations of “Source: China Packaging Network†are marked on this website, and the copyright is exclusively owned by “China Packaging Networkâ€. If you need to reprint, please indicate the source. Any media, website, or individual must indicate "source: China Packaging Network" when reprinting. Violators of this site will be held accountable according to law. 2. The manuscript reproduced and noted by other sources is intended to convey more information for readers and does not imply endorsement of its views or the authenticity of its contents. When other media, websites, or individuals re-publish from this site, they must retain the source of the manuscript noted in this site, and must not arbitrarily tamper with the origin of the manuscript and take legal responsibility. 3. If the reprinted version of this website involves copyright issues, please contact China Packaging Network immediately or by email. Contact information
Stainless steel large sculpture now basically occupies the mainstream, because stainless steel material has good characteristics, has been recognized by most of the urban landscape, but also has become an indispensable scenery inside the sculpture. Now there are different materials of sculpture, stone carving, copper carving, stainless Steel Sculpture, glass steel sculpture, weathering steel sculpture, but with some high-grade environment and setting, are the main choice of stainless steel sculpture material! Stainless steel sculpture material has good corrosion resistance, not afraid of air water. Steam, as well as the wind and sun environment, which is also a very important factor of stainless steel sculpture. Second, the color of stainless steel sculpture is also relatively fresh, but also according to the demand of spraying, modeling out of a more advanced and better sense of art, for the environment and the city will increase beautiful scenery.
Packing
Packing will by pallet/carton/ wooden box,according to different demand.
Stainless Steel Sculpture Stainless Steel Sculpture,Stainless Steel Artwork,Stainless Steel Statue,Stainless Steel Yard Art Henan Jinbailai Industrial Co.,Ltd , https://www.hnjblfirepit.com
According to the prediction of the adhesive market demand in 2005-2010, the average annual growth rate is 11%, of which: 12% for water-based adhesives, 15% for hot-melt adhesives, and accelerated development of environmentally friendly and energy-saving products.
Affect the main indicators of adhesive
Viscosity
In the corrugated industry, viscosity is commonly used to characterize the fluidity of the adhesive. Factors that affect viscosity include: concentration, temperature, shear, storage time, resins, microbes, etc.
Low Viscosity: If the viscosity of the adhesive is too low, the moisture in the adhesive will quickly penetrate the corrugated medium, which will cause the starch granules not to be fully gelatinized and the adhesiveness to be loose. At the same time, the corrugated paper coming out of the corrugating machine will be very dry and brittle.
High viscosity: If the viscosity of the adhesive is too high, the adhesive will hardly penetrate into the interior of the paper, and the corrugated paper coming out of the corrugating machine will be very soft, causing subsequent processing and printing difficulties. At the same time, the consumption of starch will increase, and the fluidity of the adhesive will decrease. The application of high viscosity adhesives at high speed single-faced machines can be difficult.
Gelatinization temperature
The gelatinization temperature is the temperature at which the adhesive begins to thicken and produce adhesive forces.
The initial gelatinization temperature of corn raw starch is about 72 degrees. The gelatinization temperature of the adhesive has a great influence on the adhesive strength, especially on the double-sided machine, which also has a great influence on the vehicle speed. According to different corrugating machines and base papers, the gelatinization temperature can be adjusted by adding caustic soda.
If the gelatinization temperature is too high, it will cause the cardboard to open. The speed of the corrugator must be reduced to obtain sufficient energy, especially to produce multilayer cardboard. If the gelatinization temperature is too low, the adhesive is already gelatinized before it penetrates, the cardboard becomes brittle, and the bonding is not strong. It is possible that the receiving slot has already been phased out. When the adhesive is stored for a period of time, the gelatinization temperature will increase.
concentration
The level of concentration directly affects the viscosity of the adhesive. Excess concentrations will result in excessive starch consumption, poor fluidity, uneven sizing, and poor adhesion. If the concentration is too low, the adhesive effect will not be achieved, the cardboard will be opened, the cardboard will be too wet, etc.
Coating amount
Hand-striped veneer veneer, the amount of glue should not be too large, some employees in the actual production in order to avoid degumming, artificially increase the amount of glue, which is undesirable, must be strictly controlled. The amount of glue applied should be 380-110g/m2. However, depending on the size of the corrugator, it is advisable to control the amount of rubber evenly to coat the peak. As long as it is not degummed, the smaller the amount of glue, the better.
If the above indicators are not well controlled, it will lead to: (1) The paperboard is too wet and soft, and it is difficult to print and follow-up processing. (2) Corrugated cardboard surface, into a "washboard." (3) Cardboard warpage. (4) Board delamination. (5) The speed is reduced. (6) Excessive consumption of starch.
Technical indicators
Pasting temperature: single-sided machine 58-62 degrees; double-sided machine: 52-60 degrees.
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Name
Decorative Stainless Steel Sculptures
Material
Stainless steel
Size
Customized
Weight
100KG
Packing
wooden
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