Description

Linseed oil, polymer with benzoic acid, formaldehyde, pentaerythritol, phenol, phthalic anhydride, rosin, TDI, 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione and trimethylolpropane is a specialized, high-performance alkyd resin designed for demanding industrial applications. This complex polymer offers a unique balance of properties derived from its multi-component formulation, including enhanced durability, chemical resistance, and excellent film-forming characteristics. It is a critical raw material for manufacturers in the coatings, adhesives, and specialty polymers sectors seeking to formulate products with superior performance and reliability.

Application

• High-Performance Industrial Coatings: Formulation of air-drying and baking enamels for machinery, agricultural equipment, and metal substrates requiring excellent adhesion and corrosion resistance.
• Protective Marine & Automotive Coatings: Used in primers and topcoats that must withstand harsh environmental conditions, UV exposure, and salt spray.
• Specialty Inks and Overprint Varnishes: Provides gloss, rub resistance, and rapid drying properties for packaging and printing applications.
• Adhesives and Sealants: Serves as a key resin component in structural and non-structural adhesives, offering strong bonding and flexibility.
• Wood Finishes and Furniture Lacquers: Imparts a hard, durable, and clear finish with good sanding properties.
• Electrical Insulating Varnishes: Used in the production of coatings for wires and electrical components due to its good dielectric properties and thermal stability.

Basic Information

Item	Details
Product Name	Linseed oil, polymer with benzoic acid, formaldehyde, pentaerythritol, phenol, phthalic anhydride, rosin, TDI, 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione and trimethylolpropane
CAS No.	129126-83-6
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Polymer - Variable
Synonyms	Alkyd resin, modified with linseed oil and rosin; Pentaerythritol phthalic alkyd, TDI-modified; Rosin-modified alkyd resin; TDI-modified linseed oil alkyd; Tetrahydrophthalic anhydride-modified alkyd; Polymeric resin of linseed oil, benzoic acid, and formaldehyde; Phenol-formaldehyde modified alkyd; Industrial coating resin CAS 129126-83-6
EINECS	Contact for details

Quality Control

Our production of this alkyd resin adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as viscosity, acid value, solids content, and color are rigorously tested against internal specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). This product is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat sources and open flames. For long-term storage, consider under an inert gas blanket to maintain optimal properties.

Specification

Item	Specification
Appearance	Viscous liquid, clear to amber
Solids Content	60 - 70 % (Typical)
Viscosity (Gardner-Holdt)	Z2 - Z5
Acid Value	≤ 15 mg KOH/g
Color (Gardner)	≤ 10
Drying Time (Set-to-touch)	≤ 4 hours

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