Method to evaluate sheet metal lubricants cratering potential on

Details Method to evaluate sheet metal lubricants cratering potential on Method to evaluate sheet metal lubricants cratering potential on

1985-10-25

1987-05-05

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041813, 2041817, C25D 1300

Patent

active

046630074

ABSTRACT:
A test procedure developed in our laboratory for determining the cratering potential of sheet metal lubricants on cathodic E-Coat primer. Lubricants trapped in flanges and other tight fitting areas are expelled onto the uncured E-Coated surfaces during the baking operation, causing craters to form. Surfaces containing craters must be refinished before application of the color coat or they detract from the vehicle's appearance.

REFERENCES:
patent: 3502511 (1970-03-01), Forsberg
patent: 4292096 (1981-09-01), Murakami et al.
patent: 4311535 (1982-01-01), Yasuhara et al.
patent: 4321305 (1982-03-01), Castellucci et al.
patent: 4376024 (1983-03-01), Anderson et al.
patent: 4419199 (1983-12-01), Hauffe et al.

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