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There are many types of finishes available from L A Aluminum Casting Company:
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As-cast surface:
The RMS (Root Means Square) grading system is used here. RMS is a numeric value derived from a mathematical formula. As-cast finishes in Permanent Mold are typically in the 200-420 RMS range. L A ALUMINUM, however, with the mold preparation and mold coatings we use, regularly provides castings in the 150-250 RMS range. Imagine a computer keyboard surface as a 60 RMS and an orange peel being a 420 RMS.
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Alodine:
Alodine is a chemical conversion process used to provide protection from corrosion. Primarily used in aircraft components and marine applications. When applied on a fully machined surface, this not only provides corrosion protection, it imparts a "golden appearance."
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Powder Coat:
The powder coating process allows the part to be colored and textured to fit the customer’s specifications. Powder coating provides a cosmetically desired finish protecting the part from environmental factors.
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Anodize:
Anodize is a protective coating that hardens the aluminum part, protecting it from harsh conditions. The process allows the part to be dyed any color desired.
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Bright Dip:
This process brightens the aluminum finish for cosmetic purposes. The difference in the appearance could be like comparing a 60 and 100 watt light bulb.
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Sand/Bead Blast:
Parts can be blasted to prepare the cast surface for additional coatings. Some customers specify this process for the cosmetic appearance as well. It will help to blend some of the sanding or other finishing marks typical in the removal of the metal inletting on the part.
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Lettering/Trademarks:
When a customer wants a Trademark or lettering,it's simply a matter of getting the information. Tell us your requirements and we take it from there.
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To ensure that we meet your exact specifications we use this tool.
In addition to the above services that are performed in house, special coatings or finishes are available upon request.
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