What is MR glue?

MR glue is a type of glue that has moisture-resistant properties and is used to make moisture-resistant plywood or furniture. It can withstand cold water and hot water for a short time.

Here “MR” stands for “moisture resistant”. Moisture resistance means the ability of a material to resist absorbing moisture or when immersed in water.

Plywood or blockboard that is made for all interior applications is usually made with “MR” glue. Where durability & economy are both required.

Why use MR Glue?

MR glue has excellent moisture-resistant characteristic. It can be used for all applications that are exposed to moisture, humidity, and dampness. Such as furniture, kitchen rooftops, wardrobes, doors, and file cabinets in office spaces.

Benefits of MR Glue?

  1. MR Glue is widely available at cheap prices.
  2. MR glue is non-toxic, non-staining, and hygienic.
  3. Dries quickly and well.

How is MR glue made?

MR glue is made by using Urea-formaldehyde resins. Urea-formaldehyde resins are produced by the chemical reaction between urea and formaldehyde. These are cheaper than phenol-formaldehyde.

Why should you not use MR glue?

Moisture-resistant glue is designed to withstand low humidity and is not waterproof or weatherproof. Hence, it cannot be used for outdoor purposes which are exposed to moisture for a long time.

If you’re looking for waterproof plywood for outdoor use. MR glue cannot handle boiling water for several hours without delaminating. you can opt for BWR-grade plywood, which is more highly water resistant than MR-grade plywood.