ASTM D3368-99
(Specification)Standard Specification for FEP-Fluorocarbon Resin Sheet and Film
Standard Specification for FEP-Fluorocarbon Resin Sheet and Film
SCOPE
1.1 This specification covers unfilled, unpigmented FEP-fluorocarbon resin sheet and film less than 3.175 mm (0.125 in.) thick.
1.2 The values stated in SI units as detailed in Practice E380 are to be regarded as the standard and the practices of E380 incorporated herein.
1.3 The following safety hazards caveat pertains only to the test methods portion, Section 14, 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. Note 1-There is no similar or equivalent ISO standard.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 3368 – 99
Standard Specification for
FEP-Fluorocarbon Sheet and Film
This standard is issued under the fixed designation D 3368; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope D 2116 Specification for FEP Fluorocarbon Molding and
Extrusion Materials
1.1 This specification covers unfilled, unpigmented FEP-
D 3892 Practice for Packaging/Packing of Plastics
fluorocarbon resin sheet and film less than 3.175 mm (0.125
D 5740 Guide for Writing Material Standards in the D 4000
in.) thick. Recycled materials are allowed in accordance with
Format
6.2.
E 691 Practice for Conducting an Interlaboratory Study to
1.2 The values stated in SI units as detailed in IEEE/ASTM
Determine the Precision of a Test Method
SI 10 are to be regarded as the standard and the practices of
IEEE/ASTM SI 10 Standard for Use of the International
IEEE/ASTM SI 10 incorporated herein.
System of Units (SI)
1.3 The following safety hazards caveat pertains only to the
2.2 Other Standard:
test methods portion, Section 14, of this specification: This
TAPPI 411 Standard Thickness (Caliper) of Paper and Paper
standard does not purport to address all of the safety concerns,
Products
if any, associated with its use. It is the responsibility of the user
of this standard to establish appropriate safety and health
3. Terminology
practices and determine the applicability of regulatory limita-
3.1 Definitions—For definitions of terms used in this speci-
tions prior to use.
fication, see Terminology D 883.
NOTE 1—There is no similar or equivalent ISO standard.
3.1.1 lot, n—one production run or a uniform blend of two
or more production runs.
2. Referenced Documents
2.1 ASTM Standards: 4. Classification
D 149 Test Method for Dielectric Breakdown Voltage and
4.1 This specification covers four types of FEP-
Dielectric Strength of Solid Electrical Insulating Materials
fluorocarbon sheet and film:
at Commercial Power Frequencies
4.1.1 Type I—General purpose.
D 374 Test Methods for Thickness of Solid Electrical Insu-
4.1.2 Type II—Cementable film. Type II materials can be
lation
subdivided into two grades:
D 618 Practice for Conditioning Plastics and Electrical
4.1.2.1 Grade 1—One side cementable, and
Insulating Materials for Testing
4.1.2.2 Grade 2—Two sides cementable.
D 638 Test Method for Tensile Properties of Plastics
4.1.3 Type III—Special film for applications requiring un-
D 882 Test Methods for Tensile Properties of Thin Plastic
usual flexural endurance or extreme thermal and chemical
Sheeting
service.
D 883 Terminology Relating to Plastics
4.1.4 Type IV—Film for mold release applications.
D 1505 Test Method for Density of Plastics by the Density-
4.2 A one-line system may be used to specify materials
Gradient Technique
covered by this specification. The system uses predefined cells
to refer to specific aspects of this specification, which are
illustrated as follows:
This specification is under the jurisdiction of ASTM Committee D-20 on
Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic
Materials, Section D-20.15.12 on Fluoropolymers. Annual Book of ASTM Standards, Vol 08.02.
Current edition approved Dec. 10, 1999. Published March 2000. Originally Annual Book of ASTM Standards, Vol 08.03.
published as D 3368 – 75. Last previous edition D 3368 – 94. Annual Book of ASTM Standards, Vol 14.02.
2 8
Annual Book of ASTM Standards, Vol 10.02. Annual Book of ASTM Standards, Vol 14.04.
3 9
Annual Book of ASTM Standards, Vol 10.01. Available from the Technical Association of the Pulp and Paper Industry
Annual Book of ASTM Standards, Vol 08.01. (TAPPI), P.O. Box 105113, Atlanta, GA 30348-5113. Phone: 1-800-332-8686.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D 3368
5.3 Requests for certification or test results should be made
Specification
Standard Number Type Grade Class Special
at the time of order placement.
Block Notes
|| | | |
Example: Specification II 1 , 0.051 mm thick 6. Materials and Manufacture
D 3368 – 9_,
6.1 The sheet and film shall be made from FEP-
For this example, the line callout would be Specification
fluorocarbon resin as specified in Specification D 2116 without
D 3368 – 9_, II 1, 0.051 mm thick. This callout would specify
filler or plasticizer.
a film of FEP that is cementable on one side and that has all of
6.2 This specification allows for the use of recycled, repro-
the properties listed for that type and grade in the appropriate
cessed, and reworked FEP materials provided the following:
specified properties or tables, or both, in this specification.
6.2.1 The final physical, mechanical, and performance re-
Inclusion of a class is provided for in the system, but is not
quirements as stated in this specification are met.
used in this particular specification. A comma is used as the
separator between the standard number and the type. Separa-
6.2.2 The toxicological characteristics are essentially unal-
tors are not needed between the type, grade, and class.
tered from that of virgin material.
Provision for special notes is included in the system so that
other information can be provided when required, in this case,
7. Other Requirements
the thickness of the film. When special notes are used, they
7.1 The sheet and film shall conform to the physical,
should be preceded by a comma.
mechanical, and performance property requirements specified
5. Ordering Information
in Table 1. The nominal thickness of sheet or film and thickness
tolerances shall be in accordance with Table 2.
5.1 The sheet and film shall be furnished in the form of
sheets or rolls in accordance with good commercial practice.
7.2 The film and sheet shall be uniform in appearance and
Rolls shall be wound evenly and tightly on substantial cores
shall be sufficiently free of contamination, wrinkles, holes,
suitably restrained to prevent unwinding.
scratches, and other imperfections so as to be functionally
5.2 Dimensions of sheet and film with respect to length,
acceptable. The color shall be uniform and be characteristic of
width, and core diameter shall be upon agreement between the
unpigmented sheet or film that ranges from clear to translucent
purchaser and the manufacturer. The agreement shall apply
and is dependent upon the thickness.
also to the maximum number of splices per roll and tolerances
7.3 Tolerances for width of rolls shall be 61.6 mm
for length and core.
(60.0625 in.) for film or sheet thickness less than 0.508 mm
(0.020 in.) and 63.2 mm (60.125 in.) for sheet thickness equal
See the ASTM Form and Style Manual. Available from ASTM Headquarters.
to or greater than 0.508 mm.
TABLE 1 Detail Requirements for Property Values
Type I Type II Type III Type IV
Tensile Strength, min, MPa (psi), at nominal thickness, mm (in.):
0.0127 (0.0005) 13.8 (2000) 13.8 (2000) . 11.0 (1600)
0.025 to 3.175 (0.001 to 0.125) 17.25 (2500) 17.25 (2500) 17.25 (2500) 14.5 (2100)
Elongation at Break, min, %, at nominal thickness, mm (in.):
0.0127 to 0.025 (0.0005 to 0.001) 175 175 . 150
0.051 to 3.175 (0.002 to 0.125) 250 250 250 250
Dimensional Change on Heating, max, %, at nominal thickness, mm (in.):
0.0127 to 0.025 (0.0005 to 0.001) 65 65 . 65
0.051 (0.002) 63 63 64 63
0.076 to 0.508 (0.003 to 0.020) 62 62 63 .
0.762 to 1.524 (0.030 to 0.060) . . 64 .
2.285 to 3.175 (0.090 to 0.125) . . 65 .
Cementability, min, peel strength, kg/m (g/in.), at nominal thickness, mm (in.):
0.0127 (0.0005) . 6.69 (170) . .
0.025 (0.001) . 11.8 (300) . .
0.051 (0.002) . 29.5 (750) . .
0.076 (0.003) . 31.5 (800) . .
0.102 (0.004) . 47.2 (1200) . .
0.127 (0.005) . 78.7 (2000) . .
0.254 (0.010) . 94.5 (2400) . .
0.508 (0.020) . 94.5 (2400) . .
Dielectric Strength, min, kV/mm (V/mil), at nominal thickness, mm (in.):
0.127 to 0.025 (0.0005 to 0.001) 160 (4000) 160 (4000) . .
0.051 (0.002) 140 (3500) 140 (3500) . .
0.076 (0.003) 120 (3000) 120 (3000) . .
0.102 (0.004) 110 (2750) 110 (2750) . .
0.127 (0.005) 100 (2500) 100 (2500) . .
0.254 (0.010) 72 (1800) 72 (1800) . .
0.356 (0.014) 64 (1600) 64 (1600) . .
0.508 (0.020) 56 (1400) 56 (1400) . .
Density at 23°C, g/cm 2.13 to 2.17 2.13 to 2.17 2.13 to 2.17 2.13 to 2.17
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D 3368
TABLE 2 Thickness and Tolerance Requirements
Thickness, mm (in.)
Nominal Thickness, Applicable
mm (in.) Types
min max
0.0127 (0.0005) I, II, IV 0.0089 (0.00035) 0.0165 (0.00065)
0.025 (0.001) I, II, IV 0.0177 (0.0007) 0.033 (0.0013
0.051 (0.002) I, II, III 0.038 (0.0015) 0.0635 (0.0025)
0.076 (0.003) I, II, III 0.05715 (0.00225) 0.094 (0.00375)
0.102 (0.004) I, II, III 0.080 (0.00315) 0.123 (0.00485)
0.127 (0.005) I, II, III 0.102 (0.004) 0.152 (0.006)
0.254 (0.010) I, II, III 0.216 (0.0085) 0.292 (0.0015)
0.356 (0.014) I 0.320 (0.0126) 0.391 (0.0154)
0.508 (0.020) I, II, III 0.432 (0.017) 0.584 (0.023)
0.762 (0.030) I, III 0.648 (0.0255) 0.876 (0.0345)
1.016 (0.040) III 0.889 (0.0350) 1.143 (0.0450)
1.524 (0.060) III 1.372 (0.054) 1.676 (0.0666)
2.413 (0.095) III 2.172 (0.0855) 2.654 (0.1045)
3.175 (0.125) III 2.921 (0.113) 3.429 (0.137)
8. Sampling tory if it can be shown that the peel failure of the seal is
between the treated film surface and the adhesive, and not
8.1 Sampling shall be statistically adequate to satisfy the
between the adhesive and the aluminum.
requirements of 16.4.
9. Number of Tests 14. Test Methods
9.1 One set of test specimens as prescribed in Section 10
14.1 Test Conditions—Unless otherwise specified, conduct
shall be considered sufficient for testing each batch. The
tests at the standard laboratory temperature of 23 6 2°C (70 to
average result of the specimens tested shall conform to the
77°F). Since this film and sheeting does not absorb water, the
requirements of this specification. importance of constant humidity during testing is not impor-
tant.
10. Specimen Preparation
14.2 Specific Gravity—Use Test Method D 1505, with a
10.1 Take test specimens across the width of film excluding tube having a linear gradient over the range from 1.90 to 2.19.
areas of wrinkles, folds, gel, and other obvious, visually
14.3 Tensile Properties:
determined, imperfections.
14.3.1 Film 0.254 mm (0.010 in.) or less in nominal
thickness.
11. Conditioning
14.3.1.1 Determine the tensile strength and elongation in
11.1 For those tests where conditioning is required and
accordance with Method A of Test Methods D 882.
unless otherwise specified in the test method, condition the test
14.3.2 Sheet greater than 0.254 mm (0.010 in.) in nominal
specimens in accordance with Procedure A of Practice D 618
thickness.
for a period of at least 4 h prior to test.
14.3.2.1 Cut five bars with the microtensile die shown in
Fig. 1. The die may be of the steel rule type and shall have a
12. Apparatus
5 1
curvature of 4 6 0.8 mm ( ⁄32 6 ⁄32 in.). The tabs at each end
12.1 Heat Sealer, single heated jaw with silicone rubber
of the die may be longer than specified in Fig. 1.
pad, temperature range from 150 to 275°C (300 to 525°F),
14.3.2.2 Determine the tensile properties in accordance with
pressure 138 kPa (20 psi), and dwell time 10 s.
the procedures described in Test Method D 638, except that the
12.2 Rod, or other means for coating aluminum evenly
specimens shall be as detailed in 14.3.1-14.3.2.1, the initial jaw
with adhesive.
separation shall be 22.2 6 0.13 mm (0.875 6 0.005 in.), and
the speed of testing shall be 51 mm/min (2 in./min). Clamp the
13. Reagents and Materials
specimen with essentially equal lengths of the tabs in each jaw.
13.1 Methyl Ethyl Ketone.
If an extensiometer is not available, the elongation at break
13.2 Acrylic Adhesive.
may be determined from the chart record, expressing the value
13.3 Anodized Aluminum, 0.5 mm (0.019 in.) thick. Other
as a percentage of the initial jaw separation. Average the test
sheet aluminum, either plain or anodized, should be satisfac-
results. In making the test for tensile properties, a full-scale
load of 22.5 kg (50 lb) has been found suitable. If the
specimens break quickly, it may be necessary to increase the
Sentinel Model 12AS or 12-12AS, available from Packaging Industries Group,
chart speed so that the chart record for each specimen covers at
Inc., 130 North St., Hyannis, MA 02601, or equivalent, has been found satisfactory
least 51 mm (2 in.) on the time axis of the chart.
for this purpose.
No. 24 “Draw Down” rod, available from R. D. Specialities, Inc., P.O. Box
NOTE 2—In determining elongation from the chart record, draw a
206, Webster, NY 14580, has been found satisfactory for this purpose.
13 perpendicular from the break point to the time axis. Measure the distance
No. 68040 acrylic adhesive available from E. I. DuPont de Nemours & Co.,
along the time axis from the intersection of this perpendicular with the
Inc., Polymers, Wilmington, DE 19898, has been found satisfactory for this purpose.
axis to the intersection of an extension of the linear part of the load-time
“Aldine” No. 1200, available from Alsco, Inc., 225 S. Forge St., Akron, OH
44308, or equivalent, has been found satisfactory for this purpose. curve and the time axis. Then, calculate percent elongation as follows:
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D 3368
FIG. 1 Test Specimen and Die
Elongation 5 100d/~22.2 or 0.875!m (1) smooth and bubble-free. Methyl ethyl ketone may be used for
thinning the adhesive if necessary, and for cleaning the
equipment.
where:
14.6.3 Cut the coated sheets into strips 38.1 by 127 mm (1.5
d = distance on chart, mm (in.),
m = hart speed magnification, by 5 in.) and store in a desiccator. It is not advisable to prepare
= chart speed/crosshead speed (both in same units), and
more thana2or 3-month supply of coated aluminum at one
22.2 = factor when d is in millimetres, or
time, as the adhesive slowly
...
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