Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO₄·2H₂O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall. A massive fine-grained white or lightly tinted variety of gypsum, called alabaster, has been used for sculpture by many cultures including Ancient Egypt, Mesopotamia, Ancient Rome, the Byzantine Empire, and the Nottingham alabasters of Medieval England. Gypsum also crystallizes as translucent crystals of selenite. It forms as an evaporite mineral and as a hydration product of anhydrite.
|Product Name||Gypsum board|
|Size||1200*2400mm 1220*2400 1200*3000 1220*3000 etc|
|Thickness||6.4/6.5mm, 7mm, 8.5mm, 9mm, 9.5mm, 10mm, 12mm, 12.5mm, 13mm, 15mm,16mm etc|
|Specifications||Standard, Moisture-resistant, Fire-proof, Water-proof|
|Edge||Square or Tapered|
|Features:||1. Light weight: in favor of anti-shake and save building cost.|
2. Keep warm and heat insulation: special lacunaris structure.
3. Fireproof: gypsum core is noncombustible,absorb heat to postpone rise of temperature around when meet fire.
4. Sound insulation: special cavum structure, improve sound absorption performance at large degree.
|Delivery Time||Within 5~15 days after receiving deposit or original L/C|
Fire Rated Plywood is an engineered wood product that's manufactured by thin layers of wood veneer glued together. There are different types of plywood for specific jobs. Exterior plywood uses waterproof glue for outdoor construction. Hardwood plywood, made from layered hardwood veneer, is used for its durability and attractive look in furniture. Plywood receives grades (ranging from A to D) based on the number of blemishes on the product.
Oriented strand board (OSB) is an engineered wood product that's made with flakes or large chips of wood. The panels are formed from layers glued together with their strands at 90-degree angles to one another. The cross-orientation of the layers adds strength to the panels and makes OSB well-suited for use as a structure board in sheathing and underlayment. It can be cut with all power saws but since it's a structure board, it's not suited to shaping, sanding or other milling operations.
While OSB is mainly used as an underlayment, paint and primer will adhere to it for projects that require finishing. OSB panels are 4-feet-by-8-feet in size with a thickness of 1/4 inch to 3/4 inches. It's also available in tongue and groove panels.
Birch Plywood is an engineered wood product that's manufactured by thin layers of wood veneer glued together. There are different types of plywood for specific jobs. Exterior plywood uses waterproof glue for outdoor construction. Hardwood plywood, made from layered hardwood veneer, is used for its durability and attractive look in furniture. Plywood receives grades (ranging from A to D) based on the number of blemishes on the product.
Particle board is a waste-wood product that's made by mixing sawdust with adhesives. Although it won't bow or warp like plywood, it can swell and become unstable when exposed to water. The main uses are for furniture, underlayment and as substrate for countertops. It can be milled with all power tools and has moderate tear-out. Laminate and veneer finishes are the most common. Particle board comes in 4-foot-by-8-foot panels; 1/2-inch- to 1-inch-thick pre-cut shelving boards come in various sizes.
MDF stands for medium-density fiberboard, which is an engineered wood composite made up of wood fibers. Because the MDF is composed of small wood fibers, there is no visible wood grain, rings, or knots. The making of the composite uses the fibers, glue, and heat to create a tight bonding board. Both softwood and hardwood are used to manufacture MDF. Generally denser than plywood, this composition creates a stronger material for building. We use a veneer sealant to prevent water damage. Two types of fiberboard are moisture resistant (which is typically blue) and fire retardant.
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