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Met-L-Chek® D-702
Met-L-Chek® D-702
Overview
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 weld and weld repair inspection, D-702 is also used in the inspection of refinery processing equipment at elevated temperatures. Met-L-Chek D-702 reduces inspection process time by eliminating the total cool down period required for standard penetrant.
Properties
- Use range of 51.6 ˚C – 176.6 ˚C (125˚F -350˚F)
- Low in sulfur, chlorine, fluorine and other halogens
- Safe on titanium and high nickel alloys found in nuclear components
Approvals
| Authority | Specification |
|---|---|
| ASME | ASME B & PV Code Sec V |
| ASTM | ASTM E-1417 |
| ASTM | ASTM E-165 |
| ASTM | ASTM E-165M-18 |
| Department of the NAVY | NAVSEA-250-1500-1 |
| ISO | ISO 3452-1:2013 |
| Military | MIL-I-25135C |
Usage
- Spray On
NDT Material Classification
Test Method
- Penetrant Testing – High Temperature Developer
Type
- Visible: Type 2 (special application) – Visible High Temperature Penetrant Only
Method
- Visible: Method C – High Temperature Remover Only
Form
- Visible: Form f
Product Disclaimer
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Met-L-Chek® D-78B is a water-soluble form “c” developer used with fluorescent (Type 1), and visible (Type 2) penetrants per AMS-2644 and ASTM E-1417.Learn More
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