Our M.R. Grade Block Board is made of Hardwood frame and fillers bonded with melamine formaldehyde synthetic resin fortified with glue line preservative, hot pressed with a combination of gurjan face veneer and cross core on both sides. Usage :- Ideal for partitions, shelves and other interior applications. Standard Thickness (mm) :- 19, 25 Standard Size (mtr) :- 2.44x1.22, 2.44x0.92, 2.14x1.22, 2.14x0.92, 1.84x1.22, 1.84x0.92