Plasterboard, called as by different brand and names, gypsum board / plasterboard / wallboard, is described as flat rectangular boards made from gypsum core which is pressed into two layers of cardboard according to EN520+A1 standards.
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Area of use
Gypsum board is material with high activity and low cost used as sheeting of interior surfaces of commercial or residential buildings. Structure of gypsum boards provides fire resistant, sound and heat insulation where required.
Gypsum are fixed on to the surface by means of nails, screws and gypsum-based adhesives and other various types of adhesives. Depending on area of use, gypsum boards are selected as per their type, form, thickness and edge shape, and are used as dry surface sheeting, suspended ceiling covering, wall partitioning elements or curtain covering on supporting beam or columns.
Gypsum plasterboard production process
In order to produce gypsum plasterboard, first, you need gypsum powder production process.
Gypsum powder, produced with a calcination process under suitable conditions in gypsum production process, stored in silos for further use in gypsum plasterboards production. Gypsum powder, water and wet & dry additives are fed to high-speed mixer where homogenous mixture is prepared, and then the mixture is poured into two layers of cardboard prepared in the production line. Cardboard edges and sides are bended and required thickness is obtained in forming unit, and continues on long belt conveyor for setting. Gypsum board after obtaining required setting is cut in length by the cutting knife and then transferred to dryer unit. Dried gypsum boards are trimmed in bundler unit and then packed for further dispatch to customers.
Types of plasterboards
Gypsum boards, as briefed above, are differ from each other in production technology according to are of use, thickness and length as described inEN520+A1 standards. In the before mentioned standard (EN520+A1) gypsum board types are described as Type A, H, F, E, P, I, R and D, and dual or trio versions (e.g. Type HF, IR etc.)..
In the same way, thickness of gypsum boards varies from 6mm to 18mm.
Edges of gypsum boards may have different shapes, such as tapered edge or square edge.
Most preferred gypsum boards types as shown above are Type A, H and F.
Plasterboard production line equipment and units
Technology | Gypsum plasterboard production technolgoy is developed and improved with state of the art technology and with IPS Makina's long experince in the industry.
Knowledge | Gypsum plasterboard production formula is developed and improved with the knowledge that assures optimal production cost and quality ratio.
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plasterboard production line - complete solutions
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mixing and forming station of plasterboard plant
bunldler - gypsum board trimming unit
board cutting and cross-conveying unit
Gypsum Board Manufacturing Process
The gypsum board manufacturing process can be divided into 5 steps: raw material preparation & spraying, forming, drying, cutting & sealing, stacking & packing.
STEP 1: Raw Material Preparing & Spraying
Gypsum powder, water, and additives are fed into the mixer through the automatic metering system and conveying system to form gypsum slurry. The gypsum slurry is sprayed on the surface of the continuously moving bottom paper through nozzles. With constant movement and vibration, the gypsum slurry on the bottom paper gradually spreads evenly.
STEP 2: Forming
The bottom paper covered with gypsum slurry enters the forming machine with the moving conveyor belt, squeezed and sealed together with the top paper. After a series of high-strength extrusion and molding, the pulpous wet gypsum board is finally formed.
STEP 3: Drying
Wet gypsum board enters the dryer with the help of a transverse conveyor and the plate-turning machine. Hot air at different temperatures in the dryer evaporates the moisture from the gypsum board. As the water evaporates, the gypsum and paper stick together firmly.
STEP 4: Cutting & Sealing
After drying, the fully dried gypsum board is cut into a certain size and sealed on the edge to satisfy the customer&#;s requirement.
STEP 5: Stacking & Packing
Finally, the processed gypsum boards are stacked and packed by stackers and packers. Then they can be transported to the warehouse by forklift.
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