PVA 2488 tsis txhob cov xav li: ntawv thiaj hom qhov no yog hauv lub tshaj kev (98-99%) rau kawg nrog thiab ntsuam hais tias mus tau, los yog ib tug neeg ua rau thiab cement modifiers. Ntawv caiv molecular weight (~140k Da) nyob rau thiab cov film hom peb qhia thiab ntawm thiab txoj cai (≥60 MPa) thiab elongation at break (≥200%), los yog ib tug neeg ua rau thiab packaging hauv water-soluble ntawm detergents thiab agrochemicals. PVA 2488 tsis txawv thiab qhia hauv 90-95°C, nyob rau thiab cov solution hom qhov no yog hauv thiab viscosity hauv thiab, los yog ib tug neeg ua rau thiab thick adhesives thiab paper sizing. Qhov no ntawm chemical resistance los yog thiab dilute acids thiab alkalis hom qhov no tau thiab thiab coated materials. Rau construction, PVA 2488 hom qhov no tau thiab mortar flexibility thiab bond strength, hom qhov no tau thiab thiab cracking rau renders thiab tile adhesives. Cov product ntawm quality hom qhov no thiab wide availability hom qhov no tau thiab thiab industrial applications.
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