1.1 This specification covers compression molding thermosetting, urea-formaldehyde molding compounds as further defined in .
1.2 The values stated in SI units are to be regarded as the standard.
Note 1The properties included in this specification are those required to identify the types of molding compounds covered. There may be other requirements necessary to identify particular characteristics. Transfer or injection molding will usually result in different physical and electrical characteristics than compression molding.
ISO 2112-1977(E) is similar but not equivalent to this specification. Product classification and characterization are not the same.
This specification covers the testing and requirements for two types of compression-molding, thermosetting urea-formaldehyde molding compounds. Type 1 are general purpose molding compounds with alpha-cellulose fillers, while, Type 2 are general purpose molding compounds with cellulose fillers other than alpha-cellulose. The molding compounds shall be of uniform composition, and the apparent density, bulk factor, plasticity, particle size, and color shall be compounded as to conform to the requirements prescribed herein. Also, sampled test specimens shall be examined and conform correspondingly to the following physical requirements: specific gravity; flexural strength; impact resistance; water absorption; dielectric strength; and arc resistance.
SDO | ASTM: ASTM International |
Document Number | D705 |
Publication Date | Oct. 1, 2004 |
Language | en - English |
Page Count | 2 |
Revision Level | 99(2004) |
Supercedes | |
Committee | D20.16 |