Description

Formaldehyde-Toluenesulfonamide Resin is a synthetic, thermosetting amino resin produced by the condensation reaction of formaldehyde with toluenesulfonamide. This specialized polymer is valued for its excellent film-forming properties, chemical resistance, and ability to act as a cross-linking agent or modifier in various formulations. It is primarily sought after by manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance product durability and performance.

Application

• Industrial Coatings: Used as a cross-linking resin in heat-cured coatings for appliances, metal furniture, and automotive parts, providing hardness and chemical resistance.
• Adhesives and Sealants: Serves as a key component in structural and laminating adhesives, improving bond strength and thermal stability.
• Textile Finishing: Employed as a durable press or wash-and-wear finish for fabrics, imparting wrinkle resistance and dimensional stability.
• Paper Saturation: Acts as a wet-strength resin in specialty paper products, enhancing tear resistance and durability when wet.
• Molding Compounds: Utilized as a modifier in phenolic and other thermosetting molding compounds to improve flow and final product properties.
• Leather Treatment: Functions as a tanning auxiliary or finishing agent to improve the leather's fullness, water repellency, and surface characteristics.

Basic Information

Product Name	Formaldehyde-Toluenesulfonamide Resin
CAS No.	9008-60-0
Molecular Formula	(C7H9NO3S·CH2O)n
Molecular Weight	Mixture (Polymer)
Synonyms	Toluenesulfonamide-formaldehyde resin; p-Toluenesulfonamide formaldehyde resin; TSAF resin; Santolite® resin (trade name); Formaldehyde-p-toluenesulfonamide copolymer; Benzenesulfonamide, 4-methyl-, polymer with formaldehyde; Tosylamide/formaldehyde resin; TSFR
EINECS	Contact for details

Quality Control

Our Formaldehyde-Toluenesulfonamide Resin is manufactured under a strict quality management system. Each batch is tested to ensure consistent performance in key parameters such as viscosity, solids content, free formaldehyde, and gel time. Certificates of Analysis (COA) documenting these specifications are provided and available upon request 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). Keep away from heat sources and open flame. Under recommended conditions, the product has a typical shelf life of 12-24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or viscous liquid
Solids Content	≥ 98%
Viscosity (at 25°C)	Specification available upon request
Free Formaldehyde	≤ 0.5%
Softening Point (Ring & Ball)	80 - 110 °C
Identification (IR)	Conforms

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