Description

Poly(Vinyl Formal) is a synthetic resin derived from polyvinyl alcohol, known for its excellent film-forming properties, adhesion, and toughness. This versatile polymer is crucial for creating durable, high-performance coatings and binders in demanding industrial applications. Key industries that rely on this material include automotive, electronics, and specialty adhesives manufacturing, where consistent quality and reliable performance are paramount.

Application

• Wire Enamels: Primary binder for high-temperature, Class F and H magnet wire insulation, providing excellent electrical properties and thermal endurance.
• Adhesives & Sealants: Key component in structural adhesives, particularly for metal-to-metal bonding in automotive and aerospace applications.
• Protective Coatings: Used in formulating corrosion-resistant primers and industrial maintenance paints for metal substrates.
• Textile & Fiber Sizing: Acts as a sizing agent to strengthen synthetic fibers like polyester and nylon during weaving processes.
• Printing Inks: Employed in specialty flexographic and gravure inks to enhance adhesion and rub resistance on non-porous films.
• Membrane & Filter Media: Serves as a binder in the production of microporous filters and battery separator membranes.

Basic Information

Product Name	Poly(Vinyl Formal)
CAS No.	9003-33-2
Molecular Formula	(C5H8O2)n
Molecular Weight	Varies (Polymer)
Synonyms	Polyvinyl Formal; PVF; Formvar® (Trade Name); Poly(vinyl formal) resin; Vinyl formal polymer; Polyvinylformaldehyde; Formaldehyde, polymer with ethenol; Pioloform® (Trade Name)
EINECS	202-841-1

Quality Control

Our Poly(Vinyl Formal) is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Key parameters such as degree of formalization, viscosity, and residual acetate content are rigorously controlled. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance tests is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white granules or powder
Identification (IR)	Conforms to standard
Assay (as PVF)	Min. 98.0%
Viscosity (10% in solvent)	Specified grade (e.g., 20-50 cP)
Degree of Formalization	75 - 85%
Residual Acetate Content	Max. 2.0%
Volatile Matter	Max. 1.0%
Ash Content	Max. 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.