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ASTM D5282-98

(Test Method)

Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical Insulation

Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical Insulation

SCOPE
1.1 These test methods cover screening for the compatibility of construction materials with silicone fluid for use in electrical equipment.
1.2 The values stated in SI units are to be regarded as the standard.
1.3 This standard does not purport to address all of the safety problems, 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. For a specific precautionary statement, see 5.2.

General Information

Status
Historical
Publication Date
09-Oct-1998
ICS
91.100.01 - Construction materials in general
Technical Committee
D27 - Electrical Insulating Liquids and Gases
Drafting Committee
D27.06 - Chemical Test
Current Stage
Ref Project

Relations

Replaced By
ASTM D5282-05 - Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical Insulation
Effective Date
01-Oct-2005
Referred By
ASTM D2225-20 - Standard Test Methods for Silicone Liquids Used for Electrical Insulation
Effective Date
10-Oct-1998

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ASTM D5282-98 - Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical InsulationASTM D5282-98 - Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical Insulation
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ASTM D5282-98 - Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical Insulation
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D 5282–98
Standard Test Methods for
Compatibility of Construction Material with Silicone Fluid
Used for Electrical Insulation
This standard is issued under the fixed designation D 5282; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Significance and Use
1.1 Thesetestmethodscoverscreeningforthecompatibility 3.1 Themagnitudeofthechangesintheelectricalproperties
ofconstructionmaterialswithsiliconefluidforuseinelectrical of the silicone fluid is of importance in determining the
equipment. contamination of the fluid by the test specimen.
1.2 The values stated in SI units are to be regarded as the 3.2 Physicalandchemicalchangesinthefluid,suchascolor
standard. and acidity, also indicate solubility or other adverse effects of
1.3 This standard does not purport to address all of the the test specimen on the fluid.
safety problems, if any, associated with its use. It is the 3.3 Physical changes of the test specimen, such as hardness,
responsibility of the user of this standard to establish appro- swelling, and discoloration, show the effect of the fluid on the
priate safety and health practices and determine the applica- test specimen and are used to determine the suitability of the
bility of regulatory limitations prior to use. material for use in silicone fluid.
3.4 A material meeting the criteria recommended does not
2. Referenced Documents
necessarily indicate suitability for use in electrical equipment.
2.1 ASTM Standards: Other properties must also be considered.Additionally, certain
D 92 Test Method for Flash and Fire Points by Cleveland
materials containing additives may meet the requirements of
Open Cup these test methods yet be unsatisfactory when subjected to
D 445 Test Method for Kinematic Viscosity of Transparent
longer-term evaluations.
and Opaque Liquids 3.5 These test methods may be used as a guide for testing
D 664 Test Method forAcid Number of Petroleum Products
the compatibility of materials for silicone fluids other than 50
by Potentiometric Titration cSt poly-dimethyl siloxane fluid, but different criteria for
D 877 Test Method for Dielectric Breakdown Voltage of
judgment may be necessary.
Insulating Liquids Using Disk Electrodes
4. Apparatus
D 924 TestMethodforDissipationFactor(orPowerFactor)
and Relative Permittivity (Dielectric Constant) of Electri- 4.1 Sample-Handling Apparatus:
cal Insulating Liquids 4.1.1 Oven, forced draft, adjustable to 120 6 1°C, and a
D 974 Test Method for Acid and Base Number by Color- drying oven, adjustable to 105 6 5°C.
Indicator Titration 4.1.2 Glass Containers, 1-L, fitted with glass or aluminum
D 1169 Test Method for Specific Resistance (Resistivity) of foil covers.
Electrical Insulating Liquids
NOTE 1—Other materials have been found to be suitable as covers.
D 2129 Test Method for Color of Clear Electrical Insulating
4.1.3 Fritted Glass Dispersion Tube (coarse).
Liquids (Platinum-Cobalt Scale)
4.2 Sample-Testing Apparatus:
D 2225 TestMethodsforSiliconeFluidsUsedforElectrical
4.2.1 Tensile Strength—As specified in appropriate test
Insulation
method.
D 4559 Test Method for Volatile Matter in Silicone Fluid
4.2.2 Hardness—As specified in appropriate test method.
D 4652 Specification for Silicone Fluid Used for Electrical
4.2.3 Dimensional Change—Micrometer and caliper.
Insulation
4.2.4 Weight Change—Analytical balance.
1 5. Reagents
These test methods are under the jurisdiction of ASTM Committee D27 on
Electrical Insulating Liquids and Gases and are the direct responsibility of
5.1 Dry Nitrogen Gas
Subcommittee D27.06 on Chemical Test.
Current edition approved Oct. 10, 1998. Published January 1999. Originally
published as D 5282 – 92. Last previous edition D 5282 – 98.
2 4
Annual Book of ASTM Standards, Vol 05.01. Fisher Catalog No. 11-138, available from Fisher Scientific, 711 Forbes Ave.,
Annual Book of ASTM Standards, Vol 10.03. Pittsburgh, PA 15219-4785.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 5282–98
5.2 Dimethyl Silicone Fluid (50 CSt), conforming to Speci- 8.1.1 Typical tests on materials can include swelling or
fication D 4652. dimensional changes, hardness, discoloration, brittleness, etc.
8.1.2 For comparative tests, use the appropriate method.
6. Preparation of Test Specimen
8.2 The following tests, as modified inTest Method D 2225,
6.1 Test specimen size shall be such that the ratio of surface
are suggested for the properties listed below:
area to liquid volume is four times as large as the ratio
8.2.1 Fire Point—Test Method D 92.
encountered in normal use in electrical equipment unless there
8.2.2 Viscosity—Test Method D 445.
is some special reason for using a different ratio. Some
8.2.3 Neutralization Number—Test Methods D 664 and
suggested ratios are as follows:
D 974.
6.1.1 If the test specimen can be measured, no less than 52
8.2.4 Dielectric Strength—Test Method D 877.
cm is used with each 800 mL of silicone.
8.2.5 Dissipation Factor (Power Factor)— Test Method
6.1.2 If the test specimen is insoluble in silicone fluid and
D 924.
the surface area cannot be measured, use a test specimen in the
8.2.6 Color—Test Method D 2129.
amount of 1 % by weight of the silicone.
8.2.7 Resistivity— Test Method D 1169.
6.1.3 If the material is soluble in the silicone fluid, use a test
8.2.8 Percent Volatiles—Test Method D 4559.
specimen in the amount of 0.5 % by weight of the silicone
fluid. 9. Evaluation of Results
6.1.4 Varnishes and materia
...

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Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical Insulation

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3.1 The magnitude of the changes in the electrical properties of the silicone fluid is of importance in determining the contamination of the fluid by the test specimen.  
3.2 Physical and chemical changes in the fluid, such as color and acidity, also indicate solubility or other adverse effects of the test specimen on the fluid.  
3.3 Physical changes of the test specimen, such as hardness, swelling, and discoloration, show the effect of the fluid on the test specimen and are used to determine the suitability of the material for use in silicone fluid.  
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3.5 These test methods may be used as a guide for testing the compatibility of materials for silicone fluids other than 50 cSt poly-dimethyl siloxane fluid, but different criteria for judgment may be necessary.
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ASTM C670-24a(Practice)
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This practice provides guidance in preparing precision and bias statements for ASTM test methods pertaining to construction materials. Test method shall conform to the maximum acceptable range of individual measurements. In order to be valid the indexes of precision to be included in the precision statement as guides for the operator must be based on estimates of the precision of the test method obtained from a statistically designed inter-laboratory series of tests. This series of tests must involve a sufficient number of laboratories, materials, and replicate measurements so that the results obtained provide reliable estimates of the true precision characteristic of the test method. The procedures described in this practice are based on the assumption that the proper estimates of precision have already been obtained. In any test method, tolerances are placed on the accuracy of measuring equipment. All tests made with a given set of equipment which has an error within the permitted tolerance will produce results with a small consistent bias, but that bias is not inherent in the test method and is not included in the bias statement for the test method. There are two conditions which permit the bias of a test method to be estimated: a standard reference sample of known value has been tested by the test method, and the test method has been applied to a sample which has been compounded in such a manner that the true value of the property being measured is known, such as may be the case, for example, in a test for cement content of concrete.
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This specification defines the minimum requirements for inspection agency personnel or testing agency laboratory personnel, or both, and the minimum technical requirements for equipment and procedures utilized in the testing and inspection of construction and materials used in construction. Criteria provided herein shall be used for evaluating the capability of the agency to properly perform designated tests on construction materials, as well as establishing essential characteristics pertaining to the organization, personnel, facilities, and quality systems of the agency.
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4.1 The inspection and testing of construction activities and the materials used in construction are important elements in obtaining quality construction in general compliance with the contract documents. An agency providing construction inspection, testing, or Special Inspection, must be selected with care after a comprehensive evaluation of their competency to perform the services properly and in compliance with the approved project plans and specifications.  
4.2 This specification provides minimum criteria for use in assessing the qualifications of construction inspection, testing, and Special Inspection agencies. The criteria may be supplemented by more specific criteria and requirements for particular classes of testing or types of inspection agencies. An individual user can also use it to judge the competency of an agency.  
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SCOPE
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SCOPE
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Note 1: Sieve sizes openings are identified by their Specification E11 designation with their alternative Specification E11 designation given in parentheses for information only.  
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5.4 In this procedure, the specimens are subjected to one or more specific sets of laboratory test conditions. If different test conditions are substituted or the end-use conditions are changed, it is not always possible by or from this test to predict changes in the fire-test-response characteristics measured. Therefore, the results are valid only for the fire test exposure conditions described in this procedure.  
5.5 Test Limitations:  
5.5.1 The test results have limited validity if: (a) the specimen melts sufficiently to overflow the drip tray, or (b) explosive spalling occurs.  
5.5.2 Exercise caution in interpreting results of specimens that sag, deform, or delaminate during a test. Report observations of such behavior.
SCOPE
1.1 This fire-test-response standard assesses the response of materials, products, and assemblies to controlled levels of radiant heat exposure with or without an external ignitor.  
1.2 The fire-test-response characteristics determined by this test method include the ignitability, heat release rates, mass loss rates, visible smoke development, and gas release of materials, products, and assemblies under well ventilated conditions.  
1.3 This test method is also suitable for determining many of the parameters or values needed as input for computer fire models. Examples of these values include effective heat of combustion, surface temperature, ignition temperature, and emissivity.  
1.4 This test method is also intended to provide information about other fire parameters such as thermal conductivity, specific heat, radiative and convective heat transfer coefficients, flame radiation factor, air entrainment rates, flame temperatures, minimum surface temperatures for upward and downward flame spread, heat of gasification, nondimensional heat of gasification (1)2 and the Φ flame spread parameter (see Test Method E1321). While some studies have indicated that this test method is suitable for determining these fire parameters, insufficient testing and research have been done to justify inclusion of the corresponding testing and calculating procedures.  
1.5 The heat release rate is determined by the principle of oxygen consumption calorimetry, via measurement of the oxygen consumption as determined by the oxygen concentration and flow rate in the exhaust product stream (exhaust duct). The procedure is specified in 11.1. Smoke development is quantified by measuring the obscuration of light by the combustion product stream (exhaust duct).  
1.6 Specimens are exposed to a constant heat flux in the range of 0 to 50 kW/m2  in a vertical orientation. Hot wires are used to ignite the combustible vapors from the specimen during the ignition and heat release tests. The assessment of the parameters associated with flame spread requires the use of line burners instead of hot wire ignitors.  
1.6.1 Heat release measurements at low heat flux levels (2) require special considerations as described in Section A1.1.6.  
1.7 This test method has been developed for evaluations, design, or research and development of materials, products, or...

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ASTM
ASTM C802-14(2022)(Practice)
Standard Practice for Conducting an Interlaboratory Test Program to Determine the Precision of Test Methods for Construction Materials

SIGNIFICANCE AND USE
4.1 This practice provides requirements for planning and conducting an interlaboratory study to obtain data to develop single-operator and multilaboratory precision statements for a test method. It includes methods to evaluate data consistency before carrying out the calculations to develop the precision statement. The procedures are compatible with those in Practice E691.  
4.2 The ILS data obtained from this practice are intended for developing the precision values for writing single-operator and multilaboratory precision statements in accordance with Practice C670.  
4.3 Appendix X1 provides an example to illustrate the calculations to obtain the precision values of the test method from the ILS data. This may be used to check a user-developed electronic spreadsheet for carrying out the calculations.  
4.4 Appendix X2 discusses the additional calculations required for an interlaboratory study of a test method that includes making test specimens as part of the procedure. In this case, batch-to-batch variability needs to be considered.  
4.5 Appendix X3 discusses the use of analysis of variance as an alternative approach to obtain the precision values from the ILS data.
SCOPE
1.1 This practice describes techniques for planning, conducting, and analyzing the results of an interlaboratory study (ILS) with the objective of developing the precision statement of a test method. It is designed to be used in conjunction with Practice C670. The methods used in this standard are consistent with those in Practice E691.  
1.2 This practice is not intended for use in programs whose purpose is to develop a test method or to assess the relative variability of two or more test methods. Refer to Practice C1067 for procedures to evaluate the ruggedness of a test method.  
1.3 The system of units for this practice has not been specified. Dimensional quantities in the practice are presented only in examples of calculations.  
1.4 This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 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.

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