ASTM D784-08
Standard Specification for Orange Shellac and Other Indian Lacs for Electrical Insulation
- Standard No.
- ASTM D784-08
- Release Date
- 2008
- Published By
- American Society for Testing and Materials (ASTM)
- Status
- 2013-12
- Latest
- ASTM D784-08
- Scope
1.1 This specification covers the requirements and methods of test for three types and four grades of orange shellac and other lacs, typically used as bonding agents for mica splittings and reconstituted mica paper and as coating for other materials, as follows:
1.1.1 Type I8212;Orange Flake Shellac, Grades A, B, C, and D,
1.1.2 Type II8212;Button Lac, and
1.1.3 Type III8212;Garnet Lac.
1.2 Stick-lac and seed-lac are not covered by this specification.
Note 18212;ISO Specifications 56–1 and 56–2 cover shellac. However, the equivalency of the ISO specification to this standard is unknown. Refer directly to the ISO standards to determine equivalency.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
ASTM D784-08 Referenced Document
- ASTM D1711 Standard Terminology Relating to Electrical Insulation
- ASTM D29 Standard Specification for Centrifugally Cast "Fibreglass" (Glass Fiber Reinforced Thermosetting Resin) Pipe
- ASTM D411 Standard Test Methods for Shellac Used for Electrical Insulation
ASTM D784-08 history
- 2008 ASTM D784-08 Standard Specification for Orange Shellac and Other Indian Lacs for Electrical Insulation
- 2003 ASTM D784-03 Standard Specification for Orange Shellac and Other Indian Lacs for Electrical Insulation
- 1999 ASTM D784-99 Standard Specification for Orange Shellac and Other Indian Lacs for Electrical Insulation
