Kuraray MOWITAL® Polyvinyl Butyral (PVB) Resins for Coatings & Printing Inks
Kuraray is a world-leading manufacturer of high-performance polyvinyl butyral (PVB) resins under the MOWITAL® brand. These versatile binders and film-formers are essential components in premium coating and printing ink formulations, offering exceptional adhesion, flexibility, and compatibility with a wide range of substrates and resin systems.
PT Jaya Warindo Abadi is proud to distribute the MOWITAL® product line across Indonesia, providing formulators with access to advanced PVB technology for applications ranging from anti-corrosion primers and automotive coatings to flexographic and gravure printing inks.
Why Choose Kuraray MOWITAL® PVB Resins?
MOWITAL® PVB resins offer formulators a unique combination of performance benefits:
- Excellent Substrate Adhesion: Provides outstanding adhesion to metals, plastics (including polyolefins), wood, glass, and paper, making them ideal for primers and adhesion-promoting coatings.
- Versatile Solubility & Compatibility: Soluble in a wide range of polar solvents (alcohols, esters, ketones) and compatible with numerous other resins (alkyds, epoxies, nitrocellulose, polyurethanes, melamines).
- Tunable Film Properties: The wide portfolio of MOWITAL® grades (varying in molecular weight, degree of acetalization, and hydroxyl content) allows formulators to precisely adjust film hardness, flexibility, toughness, and solubility.
- Superior Barrier Properties: PVB films provide excellent resistance to oils, greases, and many chemicals, while also offering good gas and aroma barrier properties.
- Excellent Pigment Wetting & Dispersion: Enhances color development, gloss, and hiding power in pigmented coating and ink systems.
Key Applications in Coatings & Printing Inks
MOWITAL® PVB resins are widely used across multiple industrial segments:
- Industrial & Protective Coatings: Wash primers (pretreatment), anti-corrosion primers, shop primers, stoving enamels, can and coil coatings, and general industrial finishes.
- Printing Inks: Binders for flexographic, gravure, screen, and offset inks, providing excellent pigment wetting, film flexibility, and resistance properties.
- Automotive & Transportation Coatings: Adhesion promoters in primers and topcoats, especially for plastic components.
- Specialty Applications: Temporary binders for ceramics, textile printing, non-woven binders, adhesives (including hotmelts and pressure-sensitive adhesives), and ceramic powder binders.
MOWITAL® resins are supplied as fine-grained, free-flowing white powders, ensuring easy handling and incorporation into various formulation processes.
