ASTM D1636-21

Standard Specification for Allyl Molding Compounds

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STANDARD published on 1.7.2021

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The information about the standard:

Designation standards: ASTM D1636-21
Publication date standards: 1.7.2021
SKU: NS-1031878
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Other rubber and plastics products

Annotation of standard text ASTM D1636-21 :

This specification provides for the identification of three types of allyl molding compounds, based on the general type of filler employed in their manufacture: Type I - High-strength materials, glass-fiber reinforced; Type II - General-purpose mineral filled; and Type III - General-purpose synthetic fiber filler. Types I and II may be subdivided into four classes according to resin composition and use as follows: Class A - Diallyl ortho-phthalate resin, nonflame-retardant; Class B - Diallyl ortho-phthalate resin, flame-retardant; Class C - Diallyl meta-phthalate resin nonflame-retardant; and Class D - Diallyl meta-phthalate resin, flame-retardant. Materials shall be compression molded, conditioned, and tested; and the individual grades shall conform to specified values of impact resistance, flexural strength, permittivity and dissipation factor, insulation resistance, flame resistance, and oxygen index.

Keywords:

allyl, diallyl phthalate (DAP), molding compounds-thermosetting,, ICS Number Code 83.140.99 (Other rubber and plastic products)

Additional information

1. Scope

1.1?This specification covers compression molding, thermosetting, allyl compounds as further defined in Section 4.

1.2?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

Note 1:?The properties included in this specification are those required to identify the molding compounds covered. There may be other requirements necessary to identify particular characteristics. These will be added to the specification as their inclusion becomes generally desirable and the necessary test data and methods become available.

Note 2:?There is no known ISO equivalent to this standard.

1.3?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

D257-14(2021)e1	Standard Test Methods for DC Resistance or Conductance of Insulating Materials (Includes all amendments and changes 5/6/2021).
D229-19e1	Standard Test Methods for Rigid Sheet and Plate Materials Used for Electrical Insulation (Includes all amendments and changes 3/23/2023).
D618-21	Standard Practice for Conditioning Plastics for Testing
D790-17	Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
D2863-23	Standard Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index)
D5224-12(2019)	Standard Practice for Compression Molding Test Specimens of Thermosetting Molding Compounds
D256-23e1	Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics (Includes all amendments and changes 4/7/2023).
D3892-15(2020)	Standard Practice for Packaging/Packing of Plastics
D150-22	Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

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