Tag Archives: procedure
Pressure Sensitive Tape Test for Quantity
Posted on 16. Mar, 2009 by charles frenzel.
Pressure Sensitive Tape Test- for Quantity The Pressure Sensitive Tape Test described by Hempel is a modification of ISO 8502-3 (Pressure Sensitive Tape test for dust) and is not mentioned in VIS-4. The tape test can be used as a permanent record. If lint deposition is a concern, the project specification may require use of [...]
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Summary of Wipe, Swatch, and Brush Methods
Posted on 15. Mar, 2009 by charles frenzel.
Core Idea: All Methods lead to the same conclusion. None Light Moderate Heavy Adopt the method with which you feel most comfortable and that is portable to different projects and sites.
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Summary of Brush Test
Posted on 15. Mar, 2009 by charles frenzel.
Summary- Brush Test: Brushing flash rust is quick, simple, and very reproducible. Adopt a standard brush and standard cloth. Be consistent with one swipe and in the same direction and duration. Practice brush strokes with even pressure Keep the contact area consistent. Cloth can be cut at the area of color transfer and placed in [...]
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Different Areas with Brush Test
Posted on 15. Mar, 2009 by charles frenzel.
Comparative results: Heavy Flash Rust formed from water coming from holes. Different section where Light, moderate, and heavy flash rust had formed in close proximity.
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Example of Moderate Flash Rust on Brush
Posted on 15. Mar, 2009 by charles frenzel.
Example of Moderate Flash Rust on Brush:
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Example of Brush Test on Light Flash Rust
Posted on 15. Mar, 2009 by charles frenzel.
Example of Brush Test on Light Flash Rust: This view has the sun Illuminating the surface. Substrate appears darker as it is in shadow. Inspection is biased by lighting angle.
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Procedure for Evaluation in VIS-4
Posted on 15. Mar, 2009 by charles frenzel.
Procedure for Evaluation in VIS-4 When do you evaluate the Flash Rust? Flash rust and the substrate (surface) condition are evaluated at or before the time of painting. Look at the Project Documents to determine the length of time that can lapse between inspection points and paint application. Plan your inspection of flash rust so [...]
