Specialty Inspection Products

Met-L-Chek® specialty inspection products include penetrants and processors developed for use in high-temperature applications, through-leak testing, dual response penetrants, and water leak finders.

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Met-L-Chek® D-702 - High Temperature Inspection Developer

Met-L-Chek® D-702 is a special application high temperature inspection developer, form “f”, used with Met-L-Chek® VP-302 to enhance detection of surface cracks and porosity on hot surfaces. Met-L-Chek® D-702 dries quickly and produces a thin white film, which is easily removed with water after inspection. Commonly used in field welding and welding repair inspection, D-702 is al...

Authority Specification
ASME ASME B&PVC, Section V
ASTM ASTM E-165
ASTM ASTM E-1417
Department of the NAVY NAVSEA-250-1500-1
ISO ISO 3452-2
Military MIL-I-25135C, Interim AM-4
Met-L-Chek® FLP-1 - Type 1 Water Washable Fluorescent Penetrant

Met-L-Chek® FLP-1 is a water washable fluorescent inspection penetrant safe for plastics. This water-based fluorescent (Type 1) penetrant concentrate designed for through leak testing and general metal working surface flaw detection. It is free of petroleum solvents and oils, making it safe for use on many plastics that may be attacked by more traditional inspection penetrants....

Met-L-Chek® R-502 - High Temperature Penetrant Remover

Met-L-Chek® R-502 is a special application high temperature inspection penetrant remover used as a Method “C” remover. Commonly used in field welding and welding repair inspection, R-502 is also used in the inspection of refinery processing equipment at elevated temperatures. Met-L-Chek® R-502 reduces inspection process time by eliminating the total cool down period...

Authority Specification
ASME ASME B&PVC Sec V
ASTM ASTM E-1417
ASTM ASTM E-165
Department of the NAVY NAVSEA-250-1500-1
ISO ISO 3452-2
Military MIL-I-25135C, Interim AM-4
Met-L-Chek® VP-302 - High Temp Visible Water Washable Penetrant

Met-L-Chek® VP-302 is a special application high temperature inspection penetrant. Commonly used in field weld and weld repair inspection. VP-302 is also used in the inspection of refinery processing equipment at elevated temperatures. Met-L-Chek® VP-302 reduces inspection process time by eliminating the total cool down period required for standard penetrant. APPLICATIONS Surf...

Authority Specification
AMS AMS 2644
ASME ASME B&PVC Sec V
ASTM ASTM E-1417
ASTM ASTM E-1418
ASTM ASTM E-165
Department of the NAVY NAVSEA-250-1500-1
Department of the NAVY T9074-AS-G1B-010/271
French Nuclear Dassault IQ-1-0-1
French Nuclear NFQS DC 103 Rev B 2004; MC 4200
French Nuclear RCC-M rev 2000
ISO ISO 3452-2
Military MIL-STD-2132
Military MIL-STD-271
Velan PS-008 Rev. 10
Met-L-Chek® RLP-1 - Water-Based Visible Fluorescent Penetrant

RLP-1 is a water-based, dual light response visible and fluorescent (Type 3) penetrant. It is designed for through leak testing and general metal working surface flaw detection and gives visible red indications under white light and fluorescent orange indications under UV-A illumination. In the fluorescent mode of inspection smaller discontinuities may be detected than in the v...

Met-L-Chek® WLF-71 - Fluorescent Liquid Dye Additive

WLF-71 is a liquid dye additive which dissolves in water making the water fluoresce under UV-A ( ultra violet) light. This dye additive is commonly used to help locate leaks in large storage tanks but can also be used to locate leaks in small water reservoirs such as radiators. In practice, it is dissolved in the water in the tank, and then suspected areas of leakage, such as r...

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