ASTM D411-98 - 10.11.1998
 
1. Scope

1.1 These test methods cover tests for shellac in the dry button or powder form to be used for electrical insulating purposes. Typically, shellac is used as a bonding agent for mica splittings and reconstituted mica paper products, or as a coating or adhesive for other material.

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.

 
2. Referenced Documents

D1711-26

Standard Terminology Relating to Electrical Insulation

D5032-19(2026)

Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions

D6054-97

Standard Practice for Conditioning Electrical Insulating Materials for Testing

E104-20a

Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions (Includes all amendments and changes 12/21/2020).

D29-98

Standard Test Methods for Sampling and Testing Lac Resins (Withdrawn 2005)