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Developing and Usage for porous resin and rubber productsF
@Spreading tools for medicine or ink, water sprinkler devices, perfume pens, make-up brushes, painting materials brushes, brush pens, etc.
@Products in the fore-mentioned usages which employ capillary action are numerous.
We select thermoplastic resin and elastomer according to purpose (solvent etc.), and adjust hardness according to customer request.
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Resin and elastomer are chosen by consulting the list of
@ characteristics for optimum performance. |
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Pore diameter is selected according to the viscosity and size of the particles of the liquid to be employed and the desired output or dispersion of that liquid.
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Is enough liquid output?@Can the liquid be uniformly spread over
@a surface? Should the liquid be absorbed as much as possible?
@As a result, the capillary action is chosen and a straightening pore
@diameter and amount are selected.
The capillary action changes according to pore diameter.
@(Generally)<pore diameter>
@10Κ or less FThe capillary power acts strongly, becoming 10Κ or less.
@10Κ`100ΚFThe capillary power acts loosely by increasing within the
@@@@@@@@ range of 10Κ-100Κ.
@100Κ or moreFThe capillary power does not act.
An action which conflicts by combining the above-mentioned pore
@ diameters can be achieved at the same time. |
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Molding method is selected.
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Depending on the desired pores, injection or extrusion molding is
@selected for mass production. |
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A prototype is made for trial purposes, an experimental metal mold made, and, for trial purposes, a molding for the compound is created. |
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A production decision is made after examining the results of long-term wear experiments, etc. and the product is completed. |
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| Outline of porous quality: Excel Appending |
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