1.1本规程涵盖了使用绕丝下拉杆在平板上涂覆均匀厚度涂层的程序。 1.2 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。 ====意义和用途====== 3.1本规程可用于实验室模拟辊涂薄膜。

1.1 This practice covers a procedure for applying a coating film of uniform thickness on a flat panel using the wire-wound drawdown bar. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. ====== Significance And Use ====== 3.1 This practice is useful in the laboratory to simulate roll-coated films.