Product Description: MR® 653 F AMS Fluorescent Penetrant – High-Sensitivity NDT InspectionThe MR® 653 F is a Type I, Method A & C water-washable fluorescent penetrant designed for high-sensitivity non-destructive testing in accordance with ASTM E1417, EN ISO 3452, and AMS 2644 standards. Classified as Sensitivity Level 3 / Class 3, it produces bright (UV) yellow-green fluorescence under UV light, enabling accurate detection of fine surface-breaking defects. Its fatty alcohol alkoxylate carrier ensures excellent wetting properties on all metals, making it ideal for aerospace, automotive, power generation, and other industries requiring precise and reliable inspection results. Key Features: Type I, Method A & C Penetrant – Water washable and post-emulsifiable High Sensitivity (Level 3 / Class 3) – Detects very fine cracks and defects UV Fluorescent (Yellow-Green) – Bright, clear indications under UV-A light Standards-Compliant: Meets AMS 2644, ASTM, and EN ISO requirements Excellent Wetting Properties – Suitable for all metals (check plastics/ceramics before use) Carrier Medium: Fatty alcohol alkoxylate for consistent application Aerospace Approved: Listed on QPL SAE AMS 2644 Approvals & Specifications: EN ISO 3452-2 QPL SAE AMS 2644 ASME & ASME Code V, Art. 6 ASTM E165, ASTM E1417, ASTM E1135 RCC-M VDA236-150 ASME B & PV Code, Sec V Shelf Life & Temperature Range: Parameter Value Shelf Life 3 years (aerosol & bulk) Storage Temperature +5 °C to +45 °C Application Temperature +4 °C to +52 °C Available Packaging: 500 mL aerosol 1 L bottle 5 L canister 30 L drum 200 L drum Recommended Pairings: Pre-cleaners: MR® 79, MR® 85, MR® 88, MR® 3001, MR® 3002 Removers: MR® 79, MR® 88, Water Developers: MR® 81-TR (AMS 2644, EN ISO 3452-2), MR® 70, MR® 70 I Test Blocks: Reference Test Block 1, Reference Test Block 2, ASTM Test Block Test Equipment: MR454 UVA/Luxcheck, UV lights MR975 / MR96D / MR5000 / MR5010 / MR4130