Description

Urethane Dimethacrylate is a high-performance, difunctional methacrylate monomer characterized by its urethane linkage, offering enhanced mechanical properties and reactivity. This compound is a critical building block in advanced polymer formulations, providing superior cross-linking density, toughness, and adhesion. It is essential for manufacturers in the dental materials, advanced coatings, photopolymer resins, and specialty adhesives industries seeking to develop high-durability end products.

Application

• Dental Restorative Materials: A key monomer in dental composites, crowns, and bridges for superior wear resistance and polishability.
• UV-Curable Coatings & Inks: Used in formulations for wood, plastic, and metal coatings that require fast curing and high scratch resistance.
• Photopolymer Resins: Serves as a primary component in resins for 3D printing (SLA/DLP) and stereolithography, providing excellent layer adhesion and detail.
• Tough Adhesives & Sealants: Enhances the flexibility, impact strength, and chemical resistance of industrial-grade adhesives.
• Fiber Optic Coatings: Employed in protective secondary coatings due to its excellent adhesion to glass and low shrinkage.
• Electronics Encapsulation: Used in potting and encapsulation compounds to protect sensitive components from moisture and mechanical stress.

Basic Information

Product Name	Urethane Dimethacrylate
CAS No.	934705-15-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	UDMA; 1,6-Bis(methacryloxy-2-ethoxycarbonylamino)-2,4,4-trimethylhexane; Diurethane dimethacrylate; Urethane dimethacrylate oligomer; UDMA monomer; 7,7,9(7,9,9)-Trimethyl-4,13-dioxo-3,14-dioxa-5,12-diazahexadecane-1,16-diyl bismethacrylate
EINECS	Contact for details

Quality Control

Our Urethane Dimethacrylate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, impurity profiling, and functional group verification, to ensure it meets the high-purity standards required for sensitive applications like dental and medical devices. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Viscous Liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Color (APHA)	≤ 100
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Viscosity (25°C)	Reported on COA

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