Osb 3 Oriented Strand Board - Russiaprice: contact company for price
consisting of strands of wood which are bonded together with a synthetic
resin; the strands are pressed together in layers. In the outer layers
strands are generally oriented longitudinally in line with the panel
length, whereas in the middle layers strands generally lie in a cross
The wood species used in OSB manufacture include both softwoods ( spruce, pine) and some hardwood. Wood strands are cut tangentially from debarked logs which are held longitudinally against rotating knives. The ribbon of strands produced is usually about 75 mm wide and this breaks up on handling to produce individual strands which are typically 100 mm along the grain and from 5 to 50 mm across the grain.
After drying, these strands are sprayed with a synthetic resin binder. The resin types typically used include Phenol formaldehyde ( PF) , melamine fortified Urea Formaldehyde ( MUF) or isocyanate ( PMDI) , all of which are moisture resistant binders. In Europe, it is common to use a combination of binders, typically PMDI would be used in the core and MUF in the face layers and this has the advantage of reducing press cycles whilst imparting a bright appearance to the surface of the panel.
OSB is readily identified by its relatively large and long wood strands. The orientation of the surface strands is not always visually apparent, especially in small cut pieces of panel. The main merits of OSB lie in the field of its mechanical performance, which is directly related to the geometry of the strands and their orientation within the panel. Although OSB is made up of relatively large strands of wood, its surface is relatively smooth and this can be further enhanced by sanding without loosing the aesthetic character which is unique to OSB.
OSB varies in colour from a light straw colour to a medium brown depending on wood species used, resin system adopted and pressing conditions employed. It contains no knotholes, core voids or points of weakness.
Density, mass and sheet size
Panel density ( and thus panel mass) varies depending upon the product, being affected by the timber species and the manufacturing process. Typical densities are 600- 680kg/ m_ . Thus, for example, a 2400 x 1200 x 12mm panel will weigh approximately 20 kg.
Panel sizes commonly available are 2440mm x 1200mm, 2440mm x 1220mm and 2500mm x 1250mm in thicknesses of 6mm to 40mm.
Other sizes are available or can be produced to order. Panels are produced with either square or tongued & grooved ( T& G) edges.
- Posted By: MCR Ltd
- Phone: 79620355122
- Address: 27 Myachkovskya nabereznaya, Moscow, Russia
Published date: September 4, 2015 -
- Business Description: MCR Ltd was established in 2007 for developing software, network systems, researching and implementation energy resources, designing and constructing on turn key basis new chemical plants, sell wood constructions products like plywood, OSB 3, and sopme popular foods.
Be it a chemical product or a unique solution, MCR Ltd can offer your company end to end custom development services to make your project get off flying. Whether you are a start up and still need to conceptualize your idea and prove the concept with persuasive visuals to your investors or you just seek to extend your in house team to meet the tech competence, time & budget expectations, MCR Ltd is happy to provide its assistance at each stage of DLC from business analysis and prototyping to development and deployment of your solution.
If you would like to have made to order product instead of ordinary off the shelf solutions, MCR Ltd developers will help you build a solution to align completely with your business aspirations, corporate procedures and internal communication processes!
If you are planning to launch your own chemical project, but feel the need to extend your company team active job, we are here to become part of your remote development center, giving you access to actual technology expertise.
MCR Ltd will join your firm to update your solution and make it lucrative and performance boosting again by reengineering and refactoring it so that your project will match all your business goals!
We already realized some projects. In Pakistan we assist to developing Nitric Acid plant, in Ukraine we create a new model of street lighting system, based on solar, internet and LED technology.
Contact us to discuss how to turn your idea into life!
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