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  • ۱۰
    مهر

    by
    posted in Science, دانش

    ect an appropriate glue for the materials to be joined. PVA is suitable of a wide variety of woods. Squeeze PVA glue onto the surface of both pieces of wood. If glue spills onto surfaces that do not require gluing, then remove it immediately with a damp The glue should...View More...

  • ۲۹
    بهم

    http://si-resinjam.co.ir/en/wood-glue.html
    by
    posted in Science

    Wood glue is an adhesive used to tightly bond pieces of wood together. Many substances have been used as glues. Types of wood glue For many centuries animal glue, especially hide glue, was the primary adhesive of choice for a great many types of woodworking – furniture, lutherie, et cetera....View More...

  • ۲۹
    بهم

    http://si-resinjam.co.ir/en/vinyl-acetate-homopolymer-pvac-emulsions.html
    by
    posted in Science

    Celanese is a global leader in polyvinyl acetate homopolymer emulsions, often called PVAc or occasionally PVA homopolymers. Polyvinyl acetate is synthesized by the emulsion polymerization of vinyl acetate monomer (VAM). PVAc emulsions are best known for their use in wood glues or school glues due to their strong adhesion properties....View More...

  • ۲۹
    بهم

    http://si-resinjam.co.ir/en/polyvinyl-acetate.html
    by
    posted in Science

    Polyvinyl acetate, PVA, PVAc, poly(ethenyl ethanoate), is a rubbery synthetic polymer with the formula (C4H6O2)n. It belongs to the polyvinyl esters family with the general formula -[RCOOCHCH2]-. It is a type of thermoplastic. It should not be confused with the related polymer polyvinyl alcohol, which is also called PVA. Polyvinyl...View More...

  • ۲۹
    بهم

    http://si-resinjam.co.ir/en/vinyl-acetate.html
    by
    posted in Science

    Vinyl acetate is an organic compound with the formula CH3CO2CHCH2. A colorless liquid with a pungent odor, it is the precursor to polyvinyl acetate, an important polymer in industry. Production The worldwide production capacity of vinyl acetate monomer (VAM) was estimated at 6,154,000 tonnes/annum in 2007, with most capacity concentrated...View More...