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ASTM C1381-97

(Specification)

Standard Specification for Molded Glass Fiber Reinforced Gypsum Parts

Standard Specification for Molded Glass Fiber Reinforced Gypsum Parts

SCOPE
1.1 This specification covers molded glass fiber reinforced gypsum (GRG) parts, which are nonload-bearing, thin-shell, ornamental shapes for architectural embellishment of interior building construction.

General Information

Status
Historical
Publication Date
09-Dec-1997
Technical Committee
C11 - Gypsum and Related Building Materials and Systems
Drafting Committee
C11.01 - Specifications and Test Methods for Gypsum Products
Current Stage
Ref Project

Relations

Replaced By
ASTM C1381-97(2002)e1 - Standard Specification for Molded Glass Fiber Reinforced Gypsum Parts
Effective Date
10-Dec-1997

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ASTM C1381-97 - Standard Specification for Molded Glass Fiber Reinforced Gypsum PartsASTM C1381-97 - Standard Specification for Molded Glass Fiber Reinforced Gypsum Parts
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ASTM C1381-97 - Standard Specification for Molded Glass Fiber Reinforced Gypsum Parts
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn.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: C 1381 – 97
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
1
Molded Glass Fiber Reinforced Gypsum Parts
This standard is issued under the fixed designation C 1381; 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 4. Materials and Manufacture
1.1 This specification covers molded glass fiber reinforced 4.1 Materials—GRG parts shall be produced using the same
gypsum (GRG) parts, which are nonload-bearing, thin-shell, materials used to make the composites in conformance with
ornamental shapes for architectural embellishment of interior Specification C 1355/C 1355M.
building construction. 4.2 Manufacture:
1.2 The values stated in either inch-pound or SI units are to 4.2.1 GRG parts shall be manufactured from the mixed
be regarded separately as standard. Within the text, the SI units slurry of alpha gypsum cement, potable water and additives,
are shown in parentheses. The values stated in each system when used, and not less than 5 % by weight glass fiber
shall be used independent of the other. Values from the two reinforcement using either the hand lay-up or the spray-up
systems shall not be combined. process in a mold.
1.3 The information presented refers to the molded surface 4.2.2 GRG parts shall be produced according to approved
of the part. shop drawings.
1.4 The text of this standard references footnotes, which 4.2.3 Shop drawings shall specify part dimensions, quanti-
provide explanatory material. These footnotes shall not be ties, recommended attachment points and methods, reinforce-
considered as requirements of the standard. ments, embedments, and tolerance.
2. Referenced Documents
5. Mechanical Properties
2.1 ASTM Standards:
5.1 GRG parts shall be made from materials to make
C 11 Terminology Relating to Gypsum and Related Build-
composites having properties in accordance with Specification
2
ing Materials and Systems
C 1355/C 1355M.
C 1355/C 1355M Specification for Glass Fiber Reinforced
2
Gypsum (GRG) Composites
6. Dimensions and Permissible Variations of GRG Parts
3. Terminology
6.1 Part Thickness—The thickness of the GRG part shall be
3
3.1 Definitions—Definitions of terms shall be in accordance
not less than ⁄16 in. (5 mm).
5
with Terminology C 11. 6.2 Control Thickness, shall be not less than ⁄16in. (8 mm).
3.2 Definitions of Terms Specific to This Standard:
6.3 Straightness—At any point on a line generally along a
3.2.1 control thickness, n—the thickness of the GRG part plane, an edge, or a surface, the molded side of the part shall
1
where abutting other GRG parts, other products or at fastening
not vary from straight 6 ⁄8 in. in 8 linear ft (1 mm in 750 mm).
points. 6.4 Dimensions, as specified in approved shop drawings,
3.2.2 embedments, n—materials encapsulated into the part
pertaining to the individual part.
1
for the purpose of suspension, attachment, and stiffening. 6.4.1 Overall Width, 6 ⁄8 in. (3 mm).
1
3.2.3 finish surface, n—a surface against a mold.
6.4.2 Dimensions Within the Overall Width, 6 ⁄16 in. (2
3.2.4 GRG part, n—an individual molded component used mm).
1
as architectural embellishment.
6.4.3 Overall Length, 6 ⁄8 in. (3 mm).
1
3.2.5 GRG product, n—combination of GRG parts used as
6.4.4 D
...

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1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.  
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