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Dongguan red plastic knowledge


First, the red plastic process methods:
  1. Printing: steel engraved hole to be determined according to the type of substrate performance parts, the size and shape of its thickness and holes. The advantage is speed, high efficiency.
  2, dispensing mode: dispensing the use of compressed air, the red plastic dispensing head through a special point on the substrate, the size of the gel-point, how much, by the time, pressure and other parameters to control the diameter of the tube, a flexible dispenser function. For different parts, we can use different dispensing head, set parameters to change, you can also change the shape and number of the gel-point, in order to achieve the desired effect, the advantage of convenient, flexible and stable. The disadvantage is that easy to have a drawing and bubbles. We can job parameters, speed, time, pressure, temperature adjustment, to minimize these drawbacks.
  3, the needle to the way: the needle is a special film, immersed in a shallow plastic tray each have a plastic needle point, when the gel-point contact with the substrate, will be out of the needle, the needle can be connected by glue shape and diameter to change.
Second, typical curing conditions:
be careful:
  1, the higher the curing temperature and the longer the curing time, the adhesive strength of the stronger.
  2, since the patch temperature plastic substrates parts with different sizes and the mounting position of the change, so we recommend to identify the most suitable curing conditions.
  3, curing time: 100 ℃ * 5 Fenzhong, 120 ℃ * 150 seconds, or 150 ℃ * 60 seconds.
  Red plastic Storage: can be stored for 7 days at room temperature, stored at less than 5 ℃ more than 6-months, at 5 ~ 25 ℃ can be stored more than 30 days.
Third, the red plastic Management:
  Since the red plastic viscosity affected by temperature per se, flowability, wetting characteristics, so the red plastic to have a certain use conditions and standardized management.
  1, the red plastic to be placed in the refrigerator 2-8 ℃ preservation, to prevent the temperature changes, the impact characteristics.
  2, the red plastic warmed claim temperature for 4 hours at room temperature the next time, in order to use the FIFO.
  3, for the dispensing operation, red plastic hose to degassing for unused disposable red plastic should be back in the refrigerator, the old and the new plastic plastic can not be mixed.
  4, to fill warmed record sheet accurately, and people warmed warmed time, users need to confirm before use warmed OK.
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