4N and 4N6 Purity Slabs are Direct Cast (DC) vertical cast in 3.75” x 9” rectangular form in lengths up to 52” for a single piece. These slabs are filtered when cast for excellent purity and cleanliness.
We typically keep Slabs in 3.75” x 9” x 10 to 12” lengths in stock, but we can supply longer pieces by custom order.
Other lengths can easily be supplied. Other dimensions can be supplied depending on quantities.
Laurand is able to produce a variety of custom shapes, such as Blocks of various widths, heights, and lengths, in 4N, 4N6, 5N, and 5N5 purities. Lead-times and pricing depend on specific requirements as well as quantity of order.
The Block sizes depend on projects we have at that time so the stock sizes will change regularly.
If you have a specific requirement, please email us with specifics and we can promptly respond with stock options or your specific sizing with current lead-times.
Ingot (open mold ingots) – typically 22 to 30 lb each – Available Purities – 4N, 4N6 and 4N8
Ingots (continuous cast in Rod form) – Typically 35 lb each – Available Purities – 5N, 5N5, and 6N
Small Ingots (open mold ingots) – available in 4 lb ingot size – Available Purity – 4N