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ASTM D5282-05(2012)

(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

SIGNIFICANCE AND USE
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.
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.
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.
A material meeting the criteria recommended does not necessarily indicate suitability for use in electrical equipment. Other properties must also be considered. Additionally, certain materials containing additives may meet the requirements of these test methods yet be unsatisfactory when subjected to longer-term evaluations.
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.
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 standard. No other units of measurement are included in this 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.

General Information

Status
Historical
Publication Date
31-Jan-2012
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

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ASTM D5282-05(2012) - Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical InsulationASTM D5282-05(2012) - Standard Test Methods for Compatibility of Construction Material with Silicone Fluid Used for Electrical Insulation
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ASTM D5282-05(2012) - 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: D5282 − 05 (Reapproved 2012)
Standard Test Methods for
Compatibility of Construction Material with Silicone Fluid
Used for Electrical Insulation
This standard is issued under the fixed designation D5282; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope D974 Test Method for Acid and Base Number by Color-
Indicator Titration
1.1 Thesetestmethodscoverscreeningforthecompatibility
D1169 Test Method for Specific Resistance (Resistivity) of
ofconstructionmaterialswithsiliconefluidforuseinelectrical
Electrical Insulating Liquids
equipment.
D1933 Specification for Nitrogen Gas as an Electrical Insu-
1.2 The values stated in SI units are to be regarded as
lating Material
standard. No other units of measurement are included in this
D2129 Test Method for Color of Clear ElectricalInsulating
standard.
Liquids (Platinum-Cobalt Scale)
1.3 This standard does not purport to address all of the
D2225 Test Methods for Silicone Fluids Used for Electrical
safety problems, if any, associated with its use. It is the Insulation
responsibility of the user of this standard to establish appro-
D2413 Practice for Preparation of Insulating Paper and
priate safety and health practices and determine the applica- Board Impregnated with a Liquid Dielectric
bility of regulatory limitations prior to use.
D3612 Test Method for Analysis of Gases Dissolved in
Electrical Insulating Oil by Gas Chromatography
2. Referenced Documents
D4243 Test Method for Measurement ofAverage Viscomet-
ric Degree of Polymerization of New andAged Electrical
2.1 ASTM Standards:
Papers and Boards
D92 Test Method for Flash and Fire Points by Cleveland
D4559 Test Method for Volatile Matter in Silicone Fluid
Open Cup Tester
D4652 Specification for Silicone Fluid Used for Electrical
D445 Test Method for Kinematic Viscosity of Transparent
Insulation
and Opaque Liquids (and Calculation of Dynamic Viscos-
D5837 Test Method for Furanic Compounds in Electrical
ity)
Insulating Liquids by High-Performance Liquid Chroma-
D664 Test Method for Acid Number of Petroleum Products
tography (HPLC)
by Potentiometric Titration
D828 Test Method for Tensile Properties of Paper and
3. Significance and Use
PaperboardUsingConstant-Rate-of-ElongationApparatus
(Withdrawn 2009)
3.1 Themagnitudeofthechangesintheelectricalproperties
D877 Test Method for Dielectric Breakdown Voltage of
of the silicone fluid is of importance in determining the
Insulating Liquids Using Disk Electrodes
contamination of the fluid by the test specimen.
D924 Test Method for Dissipation Factor (or Power Factor)
3.2 Physicalandchemicalchangesinthefluid,suchascolor
and Relative Permittivity (Dielectric Constant) of Electri-
and acidity, also indicate solubility or other adverse effects of
cal Insulating Liquids
the test specimen on the fluid.
3.3 Physical changes of the test specimen, such as hardness,
These test methods are under the jurisdiction of ASTM Committee D27 on
swelling, and discoloration, show the effect of the fluid on the
Electrical Insulating Liquids and Gasesand are the direct responsibility of Subcom-
test specimen and are used to determine the suitability of the
mittee D27.06 on Chemical Test.
material for use in silicone fluid.
Current edition approved Feb. 1, 2012. Published February 2012. Originally
approved in 1992. Last previous edition approved in 2005 as D5282 – 05. DOI:
3.4 A material meeting the criteria recommended does not
10.1520/D5282-05R12.
necessarily indicate suitability for use in electrical equipment.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Other properties must also be considered.Additionally, certain
Standards volume information, refer to the standard’s Document Summary page on
materials containing additives may meet the requirements of
the ASTM website.
these test methods yet be unsatisfactory when subjected to
The last approved version of this historical standard is referenced on
www.astm.org. longer-term evaluations.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D5282 − 05 (2012)
3.5 These test methods may be used as a guide for testing 6.1.7 Gasket materials shall be tested at a ratio of 13 cm of
the compatibility of materials for silicone fluids other than 50 surface area per 800 mL of silicone fluid.
cSt poly-dimethyl siloxane fluid, but different criteria for 6.1.8 Wire enamels shall be tested at a ratio of 1300 cm of
judgment may be necessary. surface area per 800 mL of silicone fluid.
6.1.9 Cellulosicinsulationshallbetestedataratio2000cm
4. Apparatus of surface area per 800 mL of silicone fluid. These test
specimens shall be prepared according to the instructions
4.1 Sample-Handling Apparatus:
provided in Practice D2413.
4.1.1 Oven, forced draft, adjustable to 120 6 1°C, and a
6.2 Caution must be taken in obtaining and preparing the
drying oven, adjustable to 105 6 5°C.
4.1.2 Glass Containers, 1-L, fitted with glass or aluminum sample to ensure that it is a representative sample of the
materialassuppliedbythemanufacturer.Useforcepstohandle
foil covers (Note 1).
the test specimens or adequately protect them from contami-
NOTE 1—Other materials have been found to be suitable as covers.
nation such as skin oils during handling.
4.1.3 Fritted Glass Dispersion Tube (coarse).
6.3 Pre-dry all solid materials for 16 h in an oven at 105 6
4.2 Sample-Testing Apparatus:
5°C. Gasket materials shall not be pre-dried and cellulosic
4.2.1 Tensile Strength—As specified in appropriate test
insulation does not require any further drying as long as it is
method.
prepared according to 6.1.9.
4.2.2 Hardness—As specified in appropriate test method.
6.4 Remove the test specimen from the oven and place in a
4.2.3 Dimensional Change—Micrometer and caliper.
1-Ljar with 800 mLof silicone fluid. Bubble the silicone fluid
4.2.4 Weight Change—Analytical balance.
with dry nitrogen for approximately 10 min through a fritted
glass tube. To minimize contamination, slide the cover on
5. Reagents
quicklywhileremovingthealuminumfoilandthebubbletube.
5.1 Dry Nitrogen Gas, Meeting the requirements of Speci-
Fasten the cover tightly.
fication D1933,Type III with the following exception: the total
NOTE 2—There are certain materials in electrical apparatus for which
hydrocarbon content must by <0.5 ppm. Sometimes referred to
the suggested ratios of material to liquid are impractical; when this
as Ultra-High Purity (UHP).
condition exists, report the ratio.
5.2 Dimethyl Silicone Fluid (50 CSt), conforming to Speci-
6.5 Prepare a reference silicone fluid specimen (control) for
fication D4652.
ea
...

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

SIGNIFICANCE AND USE
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.  
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5.1 Materials that pass this test by complying with the criteria in Section 15 are typically classified as noncombustible materials.  
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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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SCOPE
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1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
Note 1: Sieve sizes openings are identified by their Specification E11 designation with their alternative Specification E11 designation given in parentheses for information only.  
1.3 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.  
1.4 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.

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ASTM
ASTM E1623-22a(Test Method)
Standard Test Method for Determination of Fire and Thermal Parameters of Materials, Products, and Systems Using an Intermediate Scale Calorimeter (ICAL)

SIGNIFICANCE AND USE
5.1 This test method is used primarily to determine the heat release rate of materials, products, and assemblies. Other parameters are the effective heat of combustion, mass loss rate, the time to ignition, smoke and gas production, emissivity, and surface temperature. Examples of test specimens are assemblies of materials or products that are tested in their end-use thickness. Therefore, the test method is suitable for assessing the heat release rate of a wall assembly.  
5.2 Representative joints and other characteristics of an assembly shall be included in a specimen when these details are part of normal design.  
5.3 This test method is applicable to end-use products not having an ideally planar external surface. The heat flux shall be adjusted to be that which is desired at the average distance of the surface from the radiant panel.  
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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