Drawdown card
id:
drawdown-card-258-5167454
title:
Drawdown card
text:
Drawdown cards are used for testing paints and coatings through wet film preparation. Black and white cards are used to measure both opacity and contrast ratio. By measuring reflectance values of both parts of the card one can gain a quantitative opacity value of a paint sample.
brand slug:
wiki
category slug:
encyclopedia
description:
Tool for assessing opacity and contrast ratio of coatings
original url:
https://en.wikipedia.org/wiki/Drawdown_card
date created:
date modified:
2018-10-20T05:38:05Z
main entity:
{"identifier":"Q5306027","url":"https://www.wikidata.org/entity/Q5306027"}
image:
fields total:
13
integrity:
14