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Met-L-Chek FP-95A(M) | Level 3 High-Sensitivity Fluorescent PE Penetrant
Ultra-Bright Detection for the Most Minute Critical Defects
Met-L-Chek FP-95A(M) is a high-sensitivity, Level 3 fluorescent post-emulsifiable (PE) penetrant. It is specifically formulated for the detection of extremely fine, tight discontinuities such as stress corrosion cracking, fatigue cracks, and micro-porosity. As a Level 3 penetrant, it offers a higher concentration of fluorescent dyes and superior capillary action compared to Level 2 products, ensuring that even the smallest "indications" are pulled to the surface and rendered highly visible under UV-A light.
Key Performance Features
High Sensitivity (Level 3): Engineered for the most demanding NDT environments where "missed" defects are not an option. It provides a sharp, brilliant yellow-green fluorescence with exceptional contrast.
Post-Emulsifiable Stability: Designed for use with Method B (Lipophilic) or Method D (Hydrophilic) emulsifiers. This process provides the highest sensitivity by preventing the penetrant from being washed out of shallow or wide-mouthed defects.
Exceptional Penetrating Power: Low surface tension allows the fluid to migrate into extremely tight cracks quickly, reducing required dwell times on precision-machined components.
Superior Thermal Stability: Resists "heat fade" during the drying cycle, maintaining maximum brightness for the inspector.
Material Safety: Fully compatible with high-performance alloys, including titanium, nickel-based superalloys, and stainless steels.
Technical Specifications & Compliance
| Feature | Specification |
| Container Size | 5 Gallon Pail (18.9 Liters) |
| Sensitivity Level | Level 3 (High) |
| Methods | B, C, and D |
| Flash Point | > 93°C (> 200°F) |
| Viscosity | 8.5 – 10.5 mm²/s (at 38°C) |
| Fluorescence | Yellow-Green |
Industry Standards & Approvals
FP-95A(M) is listed on the QPL-AMS-2644 and is fully compliant with:
ASTM E-1417 & ASTM E-165
ASME B&PV Code, Section V
Rolls-Royce RRES 90061
Pratt & Whitney PMC 4354
GE P3TF2
Airbus AITM 6-1001
Ideal Applications
Aerospace Engines: Inspection of turbine blades, discs, and high-pressure compressor stages.
Nuclear Engineering: Critical welds and primary circuit components where Level 3 sensitivity is mandated.
Precision Machining: Detection of micro-cracks in high-tolerance automotive or medical components.
Space Systems: High-reliability structural components subjected to extreme stresses.