Description

Castor Oil, Dehydrated, Polymer With Benzoic Acid, 1,4-Butanediol, Phthalic Anhydride And Trimethylolpropane is a specialized alkyd resin intermediate derived from modified castor oil. This engineered polymer is valued for its ability to impart excellent flexibility, adhesion, and chemical resistance to final coating formulations. It is primarily sought after by manufacturers in the paints, coatings, inks, and adhesive industries for producing high-performance, durable finishes.

Application

• Industrial and Protective Coatings: As a key resin component in air-drying and baking enamels for machinery, agricultural equipment, and metal substrates.
• Flexible Packaging Inks: Used in formulation of inks for films and foils, providing good adhesion and resistance properties.
• Adhesives and Sealants: Imparts flexibility and durability to industrial adhesive and sealant products.
• Wood Finishes: Employed in varnishes and stains to enhance durability and moisture resistance.
• Corrosion-Resistant Primers: Serves as a binder in primers designed for harsh environmental conditions.
• Plastic Coatings: Used in coatings for plastic components to improve surface hardness and chemical resistance.

Basic Information

Product Name	Castor Oil, Dehydrated, Polymer With Benzoic Acid, 1,4-Butanediol, Phthalic Anhydride And Trimethylolpropane
CAS No.	71076-88-5
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Varies by grade (Contact for details)
Synonyms	Dehydrated Castor Oil Alkyd Resin; DCO Alkyd Resin; Benzoic Acid/1,4-Butanediol/Phthalic Anhydride/Trimethylolpropane/Dehydrated Castor Oil Polymer; Alkyd Resin from Dehydrated Castor Oil; Modified Castor Oil Alkyd; Polyester resin based on dehydrated castor oil; DCO Modified Alkyd; Trimethylolpropane Adipate/Phthalate/Dehydrated Castor Oil Copolymer
EINECS	Contact for details

Quality Control

Our production of this alkyd resin intermediate adheres to strict batch-to-batch consistency protocols. Quality is monitored through key parameters including acid value, viscosity, color, and solids content. Certificates of Analysis (COA) documenting these specifications are available for every shipment to ensure the material meets your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. Under these conditions, the product is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Viscous liquid
Color (Gardner)	≤ 8
Acid Value (mg KOH/g)	≤ 10
Viscosity (Gardner-Holdt)	Z2 - Z5
Solids Content (%)	70 ± 2
Solvent	Xylene / White Spirit

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