ASTM C35-01

Standard Specification for Inorganic Aggregates for Use in Gypsum Plaster

SCOPE
1.1 This specification covers perlite, vermiculite, natural and manufactured sand for use as gypsum plaster aggregates.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.
1.3 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.
1.3 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.

General Information

• Status: Historical
• Publication Date: 09-May-2001
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C11 - Gypsum and Related Building Materials and Systems
• Drafting Committee: C11.02 - Specifications and Test Methods for Accessories and Related Products

Relations

• Replaces: ASTM C35-95(2000) - Standard Specification for Inorganic Aggregates for Use in Gypsum Plaster
• Effective Date: 10-May-2001
• Replaced By: ASTM C35-01(2005) - Standard Specification for Inorganic Aggregates for Use in Gypsum Plaster
• Effective Date: 01-Oct-2005
• Referred By: ASTM C11-23 - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
• Effective Date: 10-May-2001
• Referred By: ASTM C28/C28M-10(2020) - Standard Specification for Gypsum Plasters
• Effective Date: 10-May-2001
• Referred By: ASTM C317/C317M-00(2019) - Standard Specification for Gypsum Concrete
• Effective Date: 10-May-2001
• Referred By: ASTM C842-05(2021) - Standard Specification for Application of Interior Gypsum Plaster
• Effective Date: 10-May-2001
• Referred By: ASTM C926-23 - Standard Specification for Application of Portland Cement-Based Plaster
• Effective Date: 10-May-2001

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 35 – 01
Standard Specification for
1
Inorganic Aggregates for Use in Gypsum Plaster
ThisstandardisissuedunderthefixeddesignationC 35;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
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 * 3. Terminology
1.1 This specification covers perlite, vermiculite, natural 3.1 Definitions shall be in accordance with Terminology
and manufactured sand for use as gypsum plaster aggregates. C11.
1.2 The values stated in inch-pound units are to be regarded 3.2 Definitions of Terms Specific to This Standard:
as the standard. The values given in parentheses are provided 3.2.1 manufactured sand, n—the fine material resulting
for information purposes only. fromthecrushingandclassificationbyscreening,orotherwise,
1.3 This standard does not purport to address all of the of rock, gravel or blast furnace slag.
safety concerns, if any, associated with its use. It is the 3.2.2 natural sand, n—the fine granular material resulting
responsibility of the user of this standard to establish appro- from the natural disintegration of rock or from the crushing of
priate safety and health practices and determine the applica- friable sandstone.
bility of regulatory limitations prior to use. 3.2.3 perlite aggregate, n—a siliceous volcanic glass ex-
1.4 The text of this specification references notes and panded by heat.
footnotes that provide explanatory material. These notes and 3.2.4 vermiculite aggregate, n—a micaceous mineral ex-
footnotes (excluding those in tables and figures) shall not be panded by heat.
considered as requirements of the specification.
4. Chemical Composition
2. Referenced Documents
4.1 Water-soluble impurities in sand shall not exceed 0.15
2.1 ASTM Standards: weight % and sodium ion content shall not exceed 0.02 weight
C 11 Terminology Relating to Gypsum and Related Build- % when tested in accordance with Section 7.
2
ing Materials and Systems 4.2 Sand shall develop a color no darker than the standard,
C 29/C 29M Test Method for Unit Weight and Voids in whensubjectedtothecolorimetrictestfororganicimpuritiesin
3
Aggregate accordance with Test Method C 40, unless it is established by
C 40 Test Method for Organic Impurities in Fine Aggre- adequate tests that the impurities causing the color are not
3
gates for Concrete harmful in plaster.
C 136 Test Method for Sieve Analysis of Fine and Coarse
3 5. Mechanical Requirements
Aggregates
5.1 Grading—Shall be as follows when tested in accor-
C 471M Test Methods for Chemical Analysis of Gypsum
2
and Gypsum Products dance with Section 7.
4
5.1.1 Perlite and vermiculite shall be graded within the
D 75 Practice for Sampling Aggregates
E 11 Specification for Wire-Cloth and Sieves for Testing limits specified in Table 1.
5
5.1.2 Natural and Manufactured Sand—Shall be graded
Purposes
withnotmorethan50 %retainedbetweenanytwoconsecutive
sieves shown in Table 1, nor more than 25 % between the No.
1
ThisspecificationisunderthejurisdictionofASTMCommitteeC11onCeiling
50 (300 µm) and No. 100 (150 µm) sieves.
andWalls and is the direct responsibility of Subcommittee C11.02 on Specifications
5.2 Density:
and Test Methods for Accessories and Related Products.
5.2.1 Perlite shall have a density of not less than 6 nor more
Current edition approved May 10, 2001. Published June 2001. Originally
3 3
published as C 35-21 T. Last previous edition C 35 – 95 (2000).
than 12 lb/ft (96 to 192 kg/m ) when tested in accordance with
2
Annual Book of ASTM Standards, Vol 04.01.
Test Method C 29/C 29M using the shoveling procedure.
3
Annual Book of ASTM Standards, Vol 04.02.
4
Annual Book of ASTM Standards, Vol 04.03.
5
Annual Book of ASTM Standards, Vol 14.02.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C35
TABLE 1 Grading Requirements
graduate without tamping or shaking. Level the surface with a
Percentage Retained on Each Sieve, Cumulative spatula and read the volume to within 62 mL.
7.3.2 Express the volumes of the individual sieve fractions
Perlite, Vermiculite, Sand,
Sieve Size
by volume by volume by weight
as percentages of the sum of the volumes of all fractions.
Max Min Max Min Max Min 7.3.3 Calculate the cumulative percentages on each desig-
nated sieve by summing the individual percentages of all
No. 4 (4.75-mm) 0 . 0 . 0 .
No. 8 (2.36-mm) 5 0 10 0 5 0
fractions larger than that sieve.
No. 16 (1.18-mm) 60 5 75 40 30 5
7.
...