Description

Acetone-Formaldehyde Resins are synthetic thermosetting polymers formed by the condensation reaction of acetone and formaldehyde. These resins are valued for their excellent adhesion, hardness, and chemical resistance, making them crucial components in high-performance industrial formulations. They are primarily utilized in the coatings, adhesives, and composite materials sectors where durable, cross-linked polymer networks are required.

Application

• Industrial Coatings and Paints: As a cross-linking agent and binder in high-durability finishes for automotive, appliance, and metal protection.
• Adhesives and Sealants: Providing strong bonding strength and thermal stability in structural and specialty adhesive formulations.
• Composite Materials: Used as a matrix resin in fiber-reinforced plastics (FRP) and laminates for the automotive and construction industries.
• Printing Inks: Imparting gloss, rub resistance, and rapid drying properties to various ink systems.
• Abrasive Tools: Serving as a binding agent in grinding wheels and abrasive discs.
• Electrical Insulation: Formulating potting compounds and insulating varnishes for electronic components.

Basic Information

Product Name	Acetone-Formaldehyde Resins
CAS No.	25619-09-4
Molecular Formula	(C4H6O)n•(CH2O)m
Molecular Weight	Varies (Polymer)
Synonyms	Acetone-Formaldehyde Condensate; Acetone-Formaldehyde Polymer; Formaldehyde-Acetone Resin; AF Resin; Ketonic Resin; Keton-Formaldehyd-Harz (German); アセトン・ホルムアルデヒド樹脂 (Japanese); Poly(acetone-co-formaldehyde)
EINECS	Contact for details

Quality Control

Our Acetone-Formaldehyde Resins are manufactured under a strict quality management system. Each batch is tested against key parameters such as viscosity, softening point, and hydroxyl value to ensure batch-to-batch consistency and performance reliability. Certificates of Analysis (COA) are available upon request to support your quality assurance and regulatory compliance needs.

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). Keep away from heat sources and open flames. Under these conditions, the product is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Pale yellow to amber solid / flakes
Softening Point (Ring & Ball)	80 - 110 °C
Hydroxyl Value	150 - 250 mg KOH/g
Acid Value	≤ 5.0 mg KOH/g
Viscosity (Melt, 150°C)	200 - 800 mPa·s
Solubility	Soluble in common organic solvents
Color (Gardner)	≤ 6

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