Propylene Glycol Monomethyl Ether Acetate (PMA), also known as PGMEA or 1-methoxy-2-propanol acetate, is a high-performance, slow-to-medium evaporating solvent. It is a clear, colorless, and hygros…
Superior Solvency: Exhibits high solvency for various polymers, resins, and oils, making it a versatile coupling agent and carrier.
Controlled Evaporation: The moderate evaporation rate allows for excellent flow and leveling, preventing surface defects like blushing or “orange peel.”
Low Toxicity: Offers a significantly improved toxicological profile compared to E-series glycol ether acetates (e.g., EEA).
Coalescing Efficiency: Acts as a powerful coalescent in solvent-borne coatings, facilitating high-quality film integrity at lower temperatures.
Hydrophobic Character: While partially soluble in water, its acetate group increases hydrophobicity compared to its parent glycol ether, improving moisture resistance in films.
Versatile Compatibility: Miscible with most common organic solvents, enhancing formulation flexibility.
规格
技术亮点
Chemical Formula: C6H12O3 (CAS No. 108-65-6).
Molecular Weight: 132.16 g/mol.
Boiling Point: 146°C (295°F) at 760 mmHg.
Flash Point: 42°C – 45°C (107°F – 113°F) (Tag Closed Cup), classifying it as a Flammable Liquid (Class 3).
Specific Gravity: 0.965 – 0.970 at 20°C.
Vapor Pressure: Approximately 3.7 mmHg at 20°C.
Viscosity: 1.1 cP at 25°C, providing low-viscosity solutions even at high solids content.
Purity Grades: Available in Industrial Grade (99.5% min) and Electronic Grade (99.9% min) with ultra-low metal ion content (ppb levels).
