ASTM D 4733 : 2013
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Test Methods for Solventless Electrical Insulating Varnishes
Hardcopy , PDF
09-10-2020
English
04-01-2013
1.1These test methods cover solventless varnishes used primarily as electrical, mechanical, and environmental protection for electrical equipment.
1.2These test methods are used on solventless varnishes that are applied by dipping (at atmospheric pressure conditions or under vacuum or other certain pressure), spraying, or brushing for the purpose of impregnating or sealing electrical equipment. The following test methods are included:
| Property Tests (Uncured): | Section |
| Density | |
| Flash Point | |
| Gel Time | |
| Monomer Content | |
| Rheological Properties (Non-Newtonian) | |
| Brookfield Viscosity | |
| Performance Property Tests (cured): | |
| Bond Strength | |
| Coating Thickness | |
| Dielectric Strength | |
| Dielectric Strength-Using Metal Panels | |
| Permittivity and Dissipation Factor | |
| Build |
1.3The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are for information only.
1.4This 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. Specific hazard statements are given in 8.3, 15.5.1, and 15.5.2.
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