MR Grade Plywood 19mm

"MR grade plywood" refers to "Moisture Resistant grade plywood," which is treated to withstand moderate levels of moisture and humidity. The term "MR grade" indicates that the plywood has been manufactured with a moisture-resistant chemical treatment.
In your case, 19mm refers to the thickness of the plywood. Plywood is available in various thicknesses, and 19mm is a standard thickness option. It is considered a thick plywood and is commonly used for applications that require stronger and more robust panels, such as structural support, heavy-duty furniture, and construction projects.
To acquire MR grade plywood in 19mm thickness, you can check with local hardware stores, building supply centers, or plywood suppliers in your area. They should be able to provide you with the desired plywood thickness and ensure that it meets the necessary moisture-resistant specifications.