ASTM D2150-81
(Specification)Specification for Woven Roving Glass Fabric for Polyester-Glass Laminates (Withdrawn 1986)
Specification for Woven Roving Glass Fabric for Polyester-Glass Laminates (Withdrawn 1986)
General Information
Standards Content (Sample)
4~l~ Designation: D 2150- 81
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 Specification for
WOVEN ROVING GLASS FABRIC FOR POLYESTER
1
GLASS LAMINATES
This standard is issued under the fixed designation D 2150; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year oflast revision. A number in parentheses indicates the year oflast
reapproval. A superscript epsilon(~) indicates an editorial change since the last revision or reapproval.
1. Scope patible with a particular polyester (or other
type) resin specified in the purchase order.
I.I This specification covers woven fabrics
When so specified, the test laminate (see Sec
made from glass rovings that are intended for
tion 8) shall be made with that resin and the
use in laminated plastics for structural or semi
purchase order shall specify its dry and wet
structural parts.
flexural strength requirements.
4.3 Weights and Dimensions-The woven
2. Applicable Documents
roving glass fabric shall conform to the require
2.1 ASTM Standards:
ments for roll length, weights, and dimensions
D 618 Conditioning Plastics and Electrical
described in Table 2.
Insulating Materials for Testing1t
4.4 Widths-The following widths shall be
D 790 Tests for Flexural Properties of Plas
considered standard: 965 mm (38 in.), 1120 mm
3
tics and Electrical Insulating Materials
(44 in.), 1270 mm (50 in.), and 1520 mm (60
D 1898 Recommended Practice for Sam
in.). Other widths are available upon request.
3
pling of Plastics
The widths of the fabric shall vary not more
D 1910 Test for Construction Characteristics
than ±12.7 mm (±0.50 in.).
4
of Woven Fabrics
4.5 Workmanship-The fabric shall be man
D 2584 Test for Ignition Loss of Cured Rein
ufactured in accordance with best commercial
5
forced Resins
practice to produce a material of uniform qual
2.2 Military Standard:
ity, substantially free from defects that would
MIL-STD-105 Sampling Procedures and Ta
affect its end use application.
6
bles for Inspection by Attributes
5. Detail Requirements
3. Types
5. I The properties of the fabric shall be such
3.1 This specification covers the 16 types of
that when plastic laminates are fabricated and
fabrics described in Table 1.
tested as specified in Sections 7 to 10, the
4. General Requirements
4.1 Strand Comnosition-The roving strand
1
r This specification is under the jurisdiction of ASTM
will be designated by the yield in metres per Committee D-20 on Plastics and is the direct responsibility
kilogram (yards per pound). of Subcommittee 020.18 on Reinforced Thermosetting Plas-
4.2 Binder-The glass rovings used to make ticsCurrent edition approved Jan. 30, 1981. Published March
the fabrics shall contain a sizing to facilitate 1981. Originally published as D 2150- 63 T. Last previous
weaving and to impart high wet strength to edition D 2150- 70 (1977).
2
AnnllQ/ Book of ASTM Standards, Parts 22, 35, and 39.
3
laminates. Unless otherwise specified, the sizing Annual Book of ASTM Standards, Part 35.
shall be compatible with a polyester laminating •Annual Book of ASTM Standards, Part 32.
5
Annual Book of ASTM Standards, Part 36.
l b h f h
Ii
resin se ected Y t e supp er O t e woven •Available from Naval Publications and Forms Center,
roving. When specified, the sizing s~h'"'"a'-ll_b:.e:.c:.o:.m.:_-_.:_58::.0.:.1.:T.::a.:.bo_:r_A_ve., Philadelphia, Pa. 19120.
---------------------- Page: 1 ----------------------
~t D 2150
laminate will meet the physical requirements 8. l.3 Test a sample of the cured lam~ate for
prescribed in Table 3. resin content ill accordance with Section 9. If
outside the specified limits, reject the laminate
6. Sampling
and prepare another. Test specimens cut from
6.1 Sample-A sample for tests shall be
the properly made laminate for laminate
taken from just under the outer convolution of
strengths in accordance with Section 10.
one roll selected at random from the lot.
8~1.4 If desired, the ,test laminate may be
6.2 Lot Size-A lot size shall consist of9070
made by the vac1mm bag technique and must
kg (20 ()()()lb).
meet the requirements of 8.1.1 in regards to
6.3 Small Lot Sampling-:-On orders less
resin content, tlllckness, and number of plies.
than 9070 kg (20 000 lb), the sampling proce
8. l.5 Apply resin to each layer in such a
dure shall be agreed upon between manufac
manner as to wet out completely all 'layers of
turer and purchaser. However, if small multiple
glass without inclusiOn of air voids.
shipments are made from an inspected lot, the
8. l .6 Enclose the laminate in a cellophane
shipments may be made without additional
bag and roll with a round steel pipe to remove
inspection.
all air bubb
...
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