ASTM D5025-20a

Standard Specification for Laboratory Burner Used for Small-Scale Burning Tests on Plastic Materials (Includes all amendments and changes 4/16/2020).

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STANDARD published on 1.3.2020

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The information about the standard:

Designation standards: ASTM D5025-20a
Publication date standards: 1.3.2020
SKU: NS-991727
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Laboratory ware and related apparatus

Annotation of standard text ASTM D5025-20a :

This specification covers the physical dimensions and characteristics of a laboratory burner used for small-scale burning tests on plastic materials, with the supply gases including methane, propane, and butane. The burner shall consist of a burner barrel that threads onto a one-piece base, which is equipped with an orifice and a needle valve that restricts the orifice opening and regulates the gas velocity through the burner, and a gas inlet, which consists of a serrated fitting for connection to the gas supply. A lock nut for securing the barrel onto the base may be provided optionally. The mixing tube of the barrel shall be manufactured with a uniform bore, and the barrel, threads, and serrated fitting shall be free of flash and burrs.

Keywords:

flammability, ignition source, laboratory burner, plastics, small-scale burning tests,, ICS Number Code 71.040.20 (Laboratory ware and related apparatus)

Additional information

1. Scope

1.1 This specification covers the physical dimensions and characteristics of a laboratory burner to be used as an ignition source for small-scale burning tests on plastic materials. The burner is used with methane, propane, or butane supply gases for flame heights of 20 to 125 mm.

1.2 This fire standard cannot be used to provide quantitative measures.

1.3 The burner described in this specification is suitable for use in the following ASTM standards: Specification C509, Test Method D229, Test Method D635, Test Method D876, Test Method D3014, Test Method D3801, Test Method D4804, Test Method D4986, and Test Method D5048. Safety hazards and known limitations on applicability of fire-test-response standards are addressed in the individual test methods.

Note 1: This specification is equivalent to the ignition source specified in IEC 60695-11-3, Annex A and IEC 60695-11-4, Annex A.

Note 2: This specification is equivalent to the P/PF2 ignition source specified in ISO 10093.

1.4 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

IEC TS 60695-11-4	Fire Hazard TestingPart 11-4: Test Flames500W FlamesApparatus and Confirmational Test Methods
IEC TS 60695-11-3	Fire Hazard TestingPart 11-3: Test Flames50W FlamesApparatus and Confirmational Test Methods
C509-06(2021)	Standard Specification for Elastomeric Cellular Preformed Gasket and Sealing Material
ISO 10093	PlasticsFire TestsStandard Ignition Sources
E176-24	Standard Terminology of Fire Standards
D5207-20	Standard Practice for Confirmation of 20-mm (50-W) and 125-mm (500-W) Test Flames for Small-Scale Burning Tests on Plastic Materials
D5048-20a	Standard Test Method for Measuring the Comparative Burning Characteristics and Resistance to Burn-Through of Solid Plastics Using a 125-mm Flame (Includes all amendments and changes 9/11/2020).
D4986-22	Standard Test Method for Horizontal Burning Characteristics of Cellular Polymeric Materials
D4804-23	Standard Test Method for Determining the Flammability Characteristics of Nonrigid Solid Plastics
D3801-20a	Standard Test Method for Measuring the Comparative Burning Characteristics of Solid Plastics in a Vertical Position (Includes all amendments and changes 9/11/2020).
D3014-19a	Standard Test Method for Flame Height, Time of Burning, and Loss of Mass of Rigid Thermoset Cellular Plastics in a Vertical Position (Includes all amendments and changes 1/10/2020).
D1600-18	Standard Terminology for Abbreviated Terms Relating to Plastics (Withdrawn 2024)
D883-24	Standard Terminology Relating to Plastics
D876-21	Standard Test Methods for Nonrigid Vinyl Chloride Polymer Tubing Used for Electrical Insulation
D229-19e1	Standard Test Methods for Rigid Sheet and Plate Materials Used for Electrical Insulation (Includes all amendments and changes 3/23/2023).
D635-22	Standard Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position

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