wash coat

wash coat

[′wäsh ‚kōt]
(engineering)
A sealer consisting of a very thin, semitransparent coat of paint.

wash coat

A very thin, semitransparent coat of paint; applied as a preliminary coating on a surface; acts as a sealer or guide coat.
References in periodicals archive ?
Because the grain undulates so that end grain is present, finish has a tendency to saturate those areas, often creating a splotchy, washed out effect unless careful preparation to include a wash coat or glue sizing is included in the finish process," Schramm said.
3:00-3:30 pm--Prepaint Wash Coat Stabilization of Weathered Wood--Greg Monaghan, Dow Coatings Materials
It can also measure distribution of wash coat, soot, ash and regeneration damage.
3DX-Ray has developed its MDXi x-ray inspection system to measure the distributions of wash coat, soot, ash and regeneration damage.
So, the date the converter was made, the speciFic batch of slurry it was made from, machines used in manufacturing, and the wash coat assigned by the chemical guys, all become integral to the converter.
Generally, stucco is built with four separate coats--two base coats (the scratch coat and brown coat) and two finish coats (the wash coat and dash coat).
The following recipe should provide enough mix for a wash coat and a dash coat for a large patch.
All the cans receive an epoxy wash coat to increase mobility and provide resistance to external corrosion before they are beaded and internally lacquered.
Do you use a wash coat here or a full-bodied coat of sealer?
Wash coat, a diluted sealer, allows stain penetration.