What is the standard size of joinery board and gypsum board?

Wood boards: 1.22m and 1.44m are now available in the market 15cm and 18cm.

Gypsum board: the thickness is 9.5121518cm, the width is 90012001220cm, and the length is1800 2440.

Blockboard is a big core board made of solid wood strips. Gypsum board is made of gypsum and covered with kraft paper. These two materials are different. Wood board is a commonly used material in home decoration at present, which is generally used as the lining for making panel furniture and door covers, and has a wide range of uses.

Gypsum board: As the name implies, a board made of gypsum is used for decoration; Composite board: a board composed of two or more materials, such as solid wood composite and metal composite. Solid wood board: As the name implies, a board made of solid wood, such as a springboard sawed directly from a big tree. Gypsum board is generally used for ceiling, TV background wall, etc., but blockboard is needed as the base.

Please add a detailed explanation.