ASTM D3098-84
(Test Method)Method of Test for Finish Content of Woven Glass Fabrics, Cleaned and After-Finished with Epoxy-Functions Silane Type Finishes for Plastic Laminates (Withdrawn 1988)
Method of Test for Finish Content of Woven Glass Fabrics, Cleaned and After-Finished with Epoxy-Functions Silane Type Finishes for Plastic Laminates (Withdrawn 1988)
General Information
Standards Content (Sample)
ASTM D3098 84 I 0757530 0028856 1 I I-37-13
I
Designation: D 3098 - 84
AMERICAN SOCIETY FOR TESTING AND MATERIALS
1916 Race St.,Philadelphia,Pa. 19103
Reprinted from the Annual Book of ASTM Standards, Copyright ASTM
If not listed in the current combined index, will appear in the next edition.
Standard Test Method for
FINISH CONTENT OF WOVEN GLASS FABRIC, CLEANED
AND AFTER FINISHED WITH EPOXY-FUNCTIONAL SILANE-
TYPE FINISHES FOR PLASTIC LAMINATES'
This standard is issued under the fved designation D 3098; 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 (c) indicates an editorial change since the last revision or reapproval.
1. Scope D4029 Specificatiqn for Finished Woven
Glass Fabrics'
1.1 This test methodcovers the measurement
of the amount of epoxy-functional silane finish
3. Summary of Method
applied to various styles of woven glass fabric
3.1 Specimens are burned with iron and tin
that have been suitably cleaned to remove the
accelerators in the presence of oxygen. The car-
oils and binders present on the yarn to make
bon content is measured, which is a reliable
them suitable for use in plastic laminates.
indicatiqn of the amount of epoxy-functional
1.2 Glass fabrics with these finishes can be
silane finish on thg glass fabric.
used with epoxy resin systems to produce lami-
nates having properties suitable for use as single-
4. Signjficapce and Use
and multi-layer circuit boards.
4.1 Th@ purpose of this test method is to pro-
NOTE 1-Typical epoxy-functional silane finishes
vide a means for determining the amount of
are known as A-186-Beta(3,4-Epoxycyclohexyl) ethyl-
trimethoxysilane: A-187-GammaG1ycidoxypropyltri- epoxy-functiqnal silane finish on glass fabrics
methoxysilane: Z-6040-Gamma-Glycidoxypropyltri-
that have met the requirements of Specification
methox ysilane.
D 4029 and whether it has been correctly applied.
NOTE 2-This test method is based on the use of a
It is intended for use in specifications, product
Lec0 No. 589-600 Conductometric Carbon Determi-
evaluation, and quality control.
nator and Lec0 Induction Furnace, Laboratory Equip
ment Co., St. Joseph, Mich., but any test method giving
4.2 The epoxy-functional silane finish en-
comparable results may be used.
hances the handleability of the fabric and im-
NOTE 3-The finish content may also be determined
proves the mechanical properties of the glass
using automatic instruments not on the market when
fabric wheo used as a reinforcement in polyester
this test method was originally Written. The results
obtained by these instruments comply with the require- laminates.
ments of this test method although the procedure may
differ.
5. t?aPara@s
i .3 This standard may involve hazardous ma- 5.1 Induction Furnace, Lec0 Model 521,522,
terials, operations, and equipment. This standard or 523.
does not purport to address all of the safetyprob-
5.2 Conductometric Carbon Determinator,
lems associated with its use. It is the responsibil- ìeco No. 515.
ity of whoever uses this standard to consult and
establish appropriate sajëty and health practices
' This test method is under the jurisdiction of ASTM Com-
and determine the applicability of regulatory lìrni-
mittee D20 on Plastics and is the direct responsibility of Sub
tations prior to use. committee D20.18 on Reinforced Thermosetting Plastics.
Current edition approved Feb. 24, 1984. Published June
1984. Originally published as D 3098 - 72. Last previous edition
2. Applicable Document
D 3098 - 82.
Annital Book of ASThíSiandards, Vol 07.02.
2.1 ASTMStandard:
1
---------------------- Page: 1 ----------------------
ASTM D3098 84 0759530 0028857 3
D 3098
4SP
covered crucible for 5 min in a stream of oxygen
5.3 Combustion Tube, Lec0 No. 550-120.
(see Note 4).
5.4 Carbon Crucible, Quartz-Enclosed, Lec0
7.5 Continue the oxygen purge for an addi-
NO. 550-182.
tional 2 min and record the resistance of the
5.5 Tin Accelerator, Lec0 No. 501-76.
Ba(OH)2 solution. Use this resistance for the first
5.6 Iron Accelerator, Lec0 No. 501-77.
point in preparing a standard curve.
5.7 Crucibles, Lec0 No. 528-25. These cruci-
7.6 Run a duplicate blank. Results should
bles are to be preignited at 1205°C (2200°F) in a
agree within 0.5 a.
tube furnace through which a stream of oxygen
7.7 Obtain three additional points for the
is flowing. After burning, the crucibles must be
standard curve by burning iron and tin acceler-
handled with tongs to prevent contamination
ators mixed with 0.2, 0.4, and 0.7 g of NBS
with oil from the skin; the crucibles shall then be
standard steel 166A, following exactly the pro-
stored in a desiccator.
cedure used in 7.4 and 7.5. NBS standard steel
5.8 Tube Furnace.
166A contains 0.027 % carbon. Plot the resist-
5.9
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