Kawm PVA peb rauv ntxh mus PVA 2488, tias yog tau txog cov nyob rooj DH (98-99%) thiab MW (~140k Da), muaj qhov lub tsis ntawm hais cas thiab qab zoo los noj daim ntawm detergent thiab cov phooj yeej kev cai. PVA 1788 (DH 87-89%, MW ~140k Da) muaj zoo los yog cov solubility ntawm cas lwm, li cas yog cov textile sizing thiab paper coatings. Food-grade PVA 0599 (low MW, high DH) muaj zoo tau FDA standards ntawm cov edible films thiab pharmaceutical binders. Lub specialized grades los yog crosslinkable PVA ntawm qab zoo los thiab low-ash PVA ntawm cov electronics muaj zoo tau kev cai. Lub products ntawm cov manufacturer certified (e.g., ISO 9001, FDA-compliant) muaj zoo tau quality. Customized PVA ntawm DH, MW, los yog particle size muaj zoo tau niche needs, los yog ultrafine powders ntawm 3D printing thiab high-viscosity grades ntawm heavy-duty adhesives.