Crystal drops of glue ( Plastic) Labeling, advertising purposes and technological process

Crystal drops of glue ( Plastic) Labeling, advertising purposes and process with the development of the socialist market economy, decoration industry, manufacturing, etc. Use the crystal drops of glue ( Plastic) Stickers, crystal drip glue signs, crafts, working number, badges, nail clippers, trademarks, product LOGO, LOGO, and other products are made of crystal drops of gel process in order to gradually tend to arts and crafts, three-dimensional, costliness, improve competitive ability of various kinds of products. Crystal drops of glue ( Plastic) Labeling, sign production must use uv radiation ( PU glue) , it is a kind of modern surface decoration material, ingredient aliphatic isocyanate, all kinds of polyether polyols and related catalysts, after curing for soft uv elastic resin. Is suitable for various substrate, such as stickers, PVC, laser label, synthetic paper, metal, aluminum, stainless steel, plastic, bond paper, the force that press a gram with colour such as text, design, logo, signs, labels, and a series of materials. High-grade PU resin has the following properties: good elasticity, for a long time can't afford to become warped, without a ripple, anti-ultraviolet radiation, not yellowing ( The sun at least 5 years) , good strength, curing speed is adjustable, adjustable hardness: 1, mechanical glue 0. 5 hours gel, eight hours to receive glue; 2, manual 0. Gel use time 5 hours, 2 hours, 24 hours to receive. Crystal drops of glue labeling, ( Crystal drops of plastic signs) Commonly used epoxy resin or PU crystal collagen materials processing production. Need equipment and consumable: basic equipment: 1, digital electronic scale, vacuum deaeration machine; 2, a glue platform ( Glass) ; 3, used for mixing glue plastic cup, stir bar, plastic glue, double-sided adhesive tape. Cleaner: anhydrous ethanol. Under the conditions allow, can add the following equipment: baking box, automatic glue machine, etc. Crystal drops of glue labeling ( The sign) Manual operation process is as follows: 1, the first will be ready for all kinds of substrate, such as: self-adhesive, PVC, laser labels, synthetic paper, metal, aluminum, stainless steel, plastic, bond paper, the force that press a gram 60 degrees in the oven preheating treatment, aims to remove surface moisture. 2, will go to wet the substrate after flat on level consistent work station glass waiting for plastic ( Drops of glue) 。 3, according to the dosage, in a beaker of clean, accurate measurement, will be a component b, according to the weight ratio 2:1 mixed mix ( Must be mixed evenly, otherwise there will be a sticky and substrate surface delaminating phenomenon, various products are all the same to do this. ) ( Note: the proportion of the products vary, depending on the actual situation) 。 4, and then with a good mix in vacuum oven, open pump, removing the air bubbles in the mixture under vacuum. 4, take clean in the needle, after defoaming crystal glue to the needle, and then measuring and drip evenly on the prepared substrate ( I. e. , signs, labels, trademarks, etc. ) Surface, general crystal rubber thickness 2 mm, make its natural flow flat ( Note: the above process control within 30 minutes, so as to avoid glue solution viscosity increased, resulting in operation) 。 5, substrate 3 - after the drip crystal glue 5 minutes, observe rubber surface with and without bubble or dust particles, such as have the tiny bubbles and hearing the available pin prick, if discover to there is not a corner flow crystal glue to the place, with a pin to extradition. 6, pouring good crystal drops of glue sign, at 20 ℃ - At room temperature curing 10 to 30 ℃ 24 hours of hardening, become not hands crystal plate surface. 7, in case of self-adhesive label, trademark, etc. , the thickness is very thin, the line is not obvious, pouring, easy to cause the crystal glue overflows, has certain difficulty to 2 mm thickness, so crystal glue hold different situation, control the viscosity, in the process of application, can be placed 1 - 2 hours, in order to improve the viscosity, adapt to thin crystal glue pouring. 7, production is greater than 2 mm thick crystal drops of glue ( Plastic label) Sign, can be divided into two plastic, after the first plastic, 3 - curing 5 hours, and then add a layer. 8, plastic after cleaning, whether manual glue, glue, or automation completed machinery, equipment, containers must be clean, because the crystal glue hardened, does not dissolve in any solvent, so must be in before it has no hardening machine, container must be clean, Suggestion: use acetone or anhydrous alcohol

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