ASTM B488 Gold Plating Standard

What is ASTM B488?

Accurate Precision Plating is an industry leader with over 50 years of experience in gold plating services. We can assure you that whatever product you may need gold plated, we will do so with the highest quality standards and certifications. Accurate Precision Plating gold plates all mediums to the ASTM B488 standards, and in all types (Type I, II, and III) and Grade A-D. These different types of the ASTM B488 certification are related to the different purities levels of hard and soft gold. Below is a description of each of these types:

ASTM B488
Type Purity Hardness
Type I 99.7% Pure Gold A (90 HK25 max) to C (130-200 HK25)
Type II 99.0% Pure Gold B (91-129 KH25) to D (> 200 HK25)
Type III 99.9% Pure Gold A only (90 HK25 Max)

If you have any questions about our gold plating standards or need any more information on our capabilities, please feel free to contact us today or call at (281) 598-8835!

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