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Best Methacrylic acid - ethyl acrylate copolymer丨CAS 25212-88-8
Methacrylic Acid–Ethyl Acrylate Copolymer (CAS 25212-88-8) is a functional acrylic copolymer known for its film-forming, adhesion, and pH-dependent solubility properties. Its versatile polymer characteristics make it widely used in pharmaceutical coatings, controlled-release formulations, and specialty material applications.
Specifications
| Grade | EP 10.0 |
| Identification | Must conform |
| Solubility of a Film (Type B) | Must conform |
| Viscosity | 20–100 mPa·s |
| Viscosity (Type B) (RV2/100, 23℃) | ≤100 mPa·s |
| Sulfated Ash (Type B) | 2–3% |
| Arsenic | ≤2 mg/kg |
| Heavy Metals | ≤20 mg/kg |
| Residual Monomer (HPLC) (Sum of Methacrylic Acid and Ethyl Acrylate) | ≤100 mg/kg |
| Assay - Methacrylic Acid (Type B) (Calculated on Dried Substance) | 43.2–47.6 g/100 g |
| Loss on Drying | ≤5.0% |
| Total Aerobic Microbial Count (TAMC) - Ph. Eur. 2.6.12 | ≤200 CFU/g |
| Total Combined Yeasts/Moulds Count (TYMC) - Ph. Eur. 2.6.12 | ≤20 CFU/g |
Applications
Pharmaceutical Industry
Food & Nutritional Industry
Chemical & Industrial Applications
Research & Advanced Materials
