ASTM D3664-00
(Specification)Standard Specification for Biaxially Oriented Polymeric Resin Film for Capacitors in Electrical Equipment
Standard Specification for Biaxially Oriented Polymeric Resin Film for Capacitors in Electrical Equipment
SCOPE
1.1 This specification covers thin biaxially oriented polymeric resin film for use in capacitors for electrical equipment. The material is biaxially oriented to improve the tensile properties in the machine (MD) and transverse (TD) directions.
1.2 The following safety hazards caveat pertains only to the test methods section of this specification. 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 and health practices and determine the applicability of regulatory limitations prior to use. For specific warning statements see 9.3 and Table 1 footnote B.
1.2 The values stated in SI units are the standard. The values in parentheses are for information only.
Note 1--This standard resembles IEC 60674-3-2, Specification for plastic films for electrical use, in title only. The content is significantly different.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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An American National Standard
Designation: D 3664 – 00
Standard Specification for
Biaxially Oriented Polymeric Resin Film for Capacitors in
Electrical Equipment
This standard is issued under the fixed designation D 3664; 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 D 543 Test Method for Resistance of Plastics to Chemical
Reagents
1.1 This specification covers thin biaxially oriented poly-
D 570 Test Method for Water Absorption of Plastics
meric resin film for use in capacitors for electrical equipment.
D 756 Practice for Determination of Weight and Shape
The material is biaxially oriented to improve the tensile
Changes of Plastics Under Accelerated Service Condi-
properties in the machine (MD) and transverse (TD) directions.
tions
1.2 The following safety hazards caveat pertains only to the
D 774 Test Method for Bursting Strength of Paper
test methods section of this specification. This standard does
D 882 Test Methods for Tensile Properties of Thin Plastic
not purport to address all of the safety concerns, if any,
Sheeting
associated with its use. It is the responsibility of the user of this
D 1004 Test Method for Initial Tear Resistance of Plastic
standard to establish appropriate safety and health practices
Film and Sheeting
and determine the applicability of regulatory limitations prior
D 1204 Test Method for Linear Dimensional Changes of
to use. For specific warning statements see 9.3 and Table 1
Nonrigid Thermoplastic Sheeting or Film at Elevated
footnote B.
Temperature
1.3 The values stated in SI units are the standard. The values
D 1434 Test Method for Determining Gas Permeability
in parentheses are for information only.
Characteristics of Plastic Film and Sheeting
NOTE 1—This standard resembles IEC 60674–3–2, Specification for 3
D 1435 Practice for Outdoor Weathering of Plastics
plastic films for electrical use, in title only. The content is significantly
D 1505 Test Method for Density of Plastics by the Density-
different.
Gradient Technique
D 2176 Test Method for Folding Endurance of Paper by the
2. Referenced Documents
M.I.T. Tester
2.1 ASTM Standards:
D 2305 Test Methods for Polymeric Films Used for Elec-
D 149 Test Methods for Dielectric Breakdown Voltage and
trical Insulation
Dielectric Strength of Solid Electrical Insulating Materials
2 D 2863 Test Method for Measuring the Minimum Oxygen
at Commercial Power Frequencies
Concentration to Support Candle-Like Combustion of
D 150 Test Methods for AC Loss Characteristics and Per-
Plastics (Oxygen Index)
mittivity (Dielectric Constant) of Solid Electrical Insulat-
D 3417 Test Method for Heats of Fusion and Crystallization
ing Materials
of Polymers by Thermal Analysis
D 202 Test Methods for Sampling and Testing Untreated
D 3420 Test Method for Dynamic Ball Burst (Pendulum)
Paper Used for Electrical Insulation
Impact Resistance of Plastic Film
D 257 Test Methods for D–C Resistance or Conductance of
2 D 3636 Practice for Sampling and Judging Quality of Solid
Insulating Materials
Electrical Insulating Materials
D 374 Test Methods for Thickness of Solid Electrical Insu-
2 D 3755 Test Method for Dielectric Breakdown Voltage and
lation
Dielectric Strength of Solid Electrical Insulating Materials
Under Direct-Voltage Stress
This specification is under the jurisdiction of ASTM Committee D09 on
Electrical and Electronic Insulating Materials and is the direct responsibility of
Subcommittee D09.07 on Flexible and Rigid Insulating Materials. Annual Book of ASTM Standards, Vol 08.01.
Current edition approved Sept. 10, 2000. Published November 2000. Originally Annual Book of ASTM Standards, Vol 15.09.
published as D 3664-78. Last previous edition D 3664-95. Annual Book of ASTM Standards, Vol 08.02.
2 6
Annual Book of ASTM Standards, Vol 10.01. Annual Book of ASTM Standards, Vol 10.02.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 3664
D 3985 Test Method for Oxygen Gas Transmission Rate
TABLE 1 Continued
Through Plastic Film and Sheeting Using a Coulometric
Nominal Thickness, Insulation Resistance, min MV Conducting Paths, max No.
Sensor
μm at 125°C per m
D 6054 Practice for Conditioning Electrical Insulating Ma-
1.5 1000 .
terials for Testing 1.8 1000 .
2.0 1000 .
E 96 Test Methods for Water Vapor Transmission of Mate-
2.5 850 .
rials
3.0 850 .
3.5 850 128
E 252 Test Method for Thickness of Thin Foil and Film by
4.0 825 107
Weighing
5.0 825 86
2.2 IEC Standards:
6.0 800 64
8.0 600 53
IEC 60674–3–2 Specification for plastic films for electrical
10.0 600 43
purposes—Part 3: Specifications for individual
12.0 600 22
materials—Sheet 2: Requirements for balanced biaxially
19.0 500 11
23.0 400 11
oriented polyethylene phthalate (PET) films used for
electrical insulation
Permittivity, 23°C, 50 % RH:
60 Hz 3.2 6 0.1
1 kHz 3.2 6 0.1
3. Terminology
Dissipation factor, max 23°C: 60 Hz 1 kHz
3.1 Definitions of Terms Specific to This Standard:
2.0 to 4.0 μm thick 0.006 0.008
3.1.1 shiner, n—as related to dielectric films, a protrusion
5.0 to 25.0 μm thick 0.004 0.006
of material beyond the plane of either edge of the roll.
Thickness, μm:
3.1.2 space factor, n— as related to dielectric films,a
Average Thickness per Single-Slit Roll
Nominal
measure of surface roughness of film expressed by the follow-
Thickness, Based on Roll Weight Ten-Sheet Stack
ing equation: μm
min max min max
Space factor 5 100 @T 2 T #@T # (1)
b g g 1.5 1.48 1.62 . .
1.8 1.61 1.89 . .
where: 2.0 1.79 2.11 1.50 3.00
2.5 2.30 2.70 2.03 3.56
T = bulking thickness determined using Test Methods
b
3.0 2.71 3.19 2.54 4.06
D 374, and
3.5 3.10 3.69 3.05 4.57
T = gravimetric thickness determined using Test Method
4.0 3.72 4.28 3.81 5.33
g
5.0 4.65 5.25 4.57 6.10
E 252.
6.0 5.64 6.36 5.59 7.11
Space factor is expressed as %.
8.0 7.52 8.48 7.62 9.14
Average Thickness per Single-Slit Roll, μm
Nominal
TABLE 1 Physical, Mechanical, and Electrical Requirements for
Thickness, Based on Roll Weight Ten-Sheet Stack
Biaxially Oriented Polyethylene Terephthalate Capacitor Film
A μm
(25.4 μm or less in thickness)
min max min max
10.0 9.40 10.60 9.40 11.43
Tensile Properties
12.0 11.28 12.72 11.43 13.46
19.0 18.05 19.95 17.78 20.32
Tensile strength modulus, and elongation, MD and TD:
23.0 21.85 24.15 21.84 24.89
Tensile Tensile
Nominal Break
Strength, Modulus
Thickness, Elongation, Width tolerance, variation from nominal, mm:
min, MPA min, MPa
less than 76 mm 60.2
μm % min
MD and TD MD and TD
76 to 152 mm 60.4
MD TD
over 152 to 456 mm 60.8
over 456 mm 61.6
1.5 110 40 20 2410
3B
1.8 110 40 20 2410 Density, 23/23°C, g/cm 1.385 to 1.410
Melting point, min,° C 252
2.0 110 . 30 2410
2.5 117 . 35 2410 Shrinkage, max, MD and TD at 150 6 1°C, % 3.0 MD, 2.0 TD
3.0 131 . 35 2410
Dielectric breakdown voltage, dc:
3.5 131 . 35 2716
4.0 131 45 2716 Number of capacitors that must survive the critical test voltage per 20
Critical
C
capacitors
5.0 138 . 40 3103
test
6.0 138 . 40 3103
voltage, Thickness, μm
8.0 145 . 45 3103
V
10.0 145 . 50 3103 1.5 1.8 2.0 2.5 3.0 3.5 4.0 5.0 6.0 8.0 10.0 12.0 19.0 23.0
12.0 145 . 60 3103
100 18
19.0 145 . 60 2759
200 17 18 18
23.0 145 . 65 2759
300 17 18
Insulation resistance and conducting paths: 400 17
500 17 19
600 17 19 19
800 19
1000 18 19
Annual Book of ASTM Standards, Vol 04.06.
1200 18
Annual Book of ASTM Standards, Vol 02.02.
1600 18
Available from American National Standards Institute, 11 W. 42nd Street, New
1800 18
York, NY 10036.
D 3664
TABLE 2 Physical, Mechanical, and Electrical Requirements for
TABLE 1 Continued
Biaxially Oriented Polypropylene Capacitor Film (25.4 μm or less
A
2200 18 19
in thickness)
Min avg 100 175 200 300 500 600 700 900 1500 2000 2400 2800 3700 4000
Property Value
dc volt-
Tensile strength, min, MPA (MD or TD) Type I 120
age of
Type II 90
20 ca-
Elongation, min, % (MD or TD) Type I 40
pacitors
Type II 30
A
See Section 9 for Test Methods.
B
Conducting Paths Conducting Paths,
Use 1,3-dibromopropane and n-heptane for preparing density gradient tube.
Nominal Thickness, μm max per m
Warning—n-heptane is flammable and volatile.
C
This number has been statistically determined. Normally it will be met by any
4.0 2.6
group of 20 capacitors. However, to definitely prove statistically that the specified
5.0 2.3
number has been met for any mill roll lot of materials, it will be necessary to wind
6.0 1.8
60 capacitors from 3 slit rolls (20 from rolls A and B, 20 from rolls B and C, and 20
7.0 1.7
from A and C). If the average of the 3 groups is lower than the allowable number,
7.4 1.7
the material is rejectable.
8.0 1.5
Aqueous extract conductivity, max, μS/cm 2 9.0 1.3
Acidity, max, milliequivalents/g 0.002
10.0 1.2
10.1 1.2
4. Classification 11.0 1.1
12.0 or greater 1.0
4.1 This specification covers the following:
Permittivity, 23°C, 50% RH
4.1.1 Type I—having smooth surfaces (space factor <5 %,
60 Hz 2.2 6 0.1
see 3.1.2);
1 kHz 2.2 6 0.1
Dissipation Factor, 23°C, 50 % RH
4.1.1.1 Grade 1—not pre-treated,
60 Hz 0.003
4.1.1.2 Grade 2—one side pre-treated to facilitate the
1 kHz 0.0002
vacuum deposition of metal, and
Thickness Tolerance, μm 610 %
Width Tolerance, mm
4.1.1.3 Grade 3—both sides pre-treated.
up to 50 mm 60.5 mm
4.1.2 Type II—having at least one rough surface (space
over 50 mm to 300 mm 61.0 mm
factor $5 %, see 3.1.2);
over 300 mm to 450 mm 62.0 mm
over 450 mm to 750 mm 64.0 mm
4.1.2.1 Grade 1—not pre-treated,
3B
Density, 23°C, g/cm 0.91 6 0.01
4.1.2.2 Grade 2—one side pre-treated to facilitate the
Melting Point, min,° C 165
vacuum deposition of metal, and Shrinkage, max To be agreed upon by pur-
chaser and manufacturer
4.1.2.3 Grade 3—both sides pre-treated.
Dielectric Breakdown Voltage, dc:
4.2 Materials:
4.2.1 Class A—polyethylene terephthalate (PET).
Not more than 1
Average
Nominal Film of 21
4.2.2 Class B—polypropylene (PP).
Breakdown
Thickne
...
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