English
Español
tiếng việt
русский
High clarity and excellent optical transparency for premium laminated safety glass performance.
Optimized melt flow characteristics enabling smooth extrusion and uniform interlayer formation.
Superior adhesion to glass and polycarbonate substrates without requiring additional primers.
Consistent thermal stability during lamination processing (autoclave and vacuum bag methods).
Low moisture absorption compared to standard PVB grades, enhancing long-term interlayer integrity.
Laminated automotive windshields and side windows meeting global safety standards (ECE R43, FMVSS 205).
Architectural laminated glass for façades, skylights, and overhead glazing.
Security glazing systems including blast-resistant and forced-entry resistant laminates.
Solar photovoltaic module encapsulation where high UV resistance and dielectric properties are required.
Acoustic laminated glass for noise reduction in transportation and building applications.
| Chemical Type | Polyvinyl butyral (PVB) copolymer |
| Product Form | Free-flowing white granules |
| Appearance | Off-white to light yellow granules, free of visible specks or discoloration |
| Butyral Content | Approx. 65–69 wt% |
| Hydroxyl Content | Approx. 18–22 wt% |
| Vinyl Acetate Content | Approx. 11–15 wt% |
| Melt Flow Rate (MFR, 190°C/2.16 kg) | 12–16 g/10 min |
| Density | Approx. 1.07–1.10 g/cm³ |
Q1: What is the primary application of Kuraray PVB B14S in industrial coatings?
A: Kuraray PVB B14S is widely used as a film-forming binder and adhesion promoter in solvent-based industrial coatings—particularly for metal substrates—where enhanced flexibility, gloss retention, and resistance to chalking are required.
Q2: How does PVB B14S differ from other grades in the Kuraray PVB series?
A: PVB B14S features a balanced combination of butyral content and molecular weight, optimized for improved solubility in common organic solvents (e.g., alcohols, ketones, esters) and superior compatibility with thermosetting resins such as melamine-formaldehyde and epoxy systems—making it especially suitable for high-performance baking finishes.
Q3: Is PVB B14S compatible with water-based coating systems?
A: PVB B14S is inherently hydrophobic and not directly dispersible in water; however, it can be incorporated into water-based systems via solvent emulsification or hybrid formulations using co-solvents and surfactants—typically requiring formulation expertise and compatibility testing.
Q4: What safety and handling precautions should be observed during processing?
A: As with most organic resin powders, appropriate dust control measures—including local exhaust ventilation and respiratory protection—are recommended during handling to minimize inhalation exposure. The material is non-toxic but may cause mild mechanical irritation to eyes or skin upon prolonged contact.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
