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ASTM D3708-88(2005)

(Test Method)

Standard Test Method for Weight of Wax Applied During Curtain Coating Operation

Standard Test Method for Weight of Wax Applied During Curtain Coating Operation

SIGNIFICANCE AND USE
Wax coatings are applied to corrugated board to provide a barrier against moisture or other penetrants or to provide improved appearance or abrasion resistance. These functional properties are influenced by the amount of wax present on the surface.
During curtain coating operations, major portions of the wax will congeal on the surface, while a minor portion will penetrate and become embedded in the fibers of the facing. This method measures the total weight of wax applied to the board. The amount actually remaining on the surface of the corrugated board can be determined by Test Method D 3521.
The uniformity of application of wax film across the width of the curtain coater may also be determined using this technique by passing test combinations (blanks) under the curtain at various locations, that is, left side, center, right side.
SCOPE
1.1 This test method covers the determination of the weight of hot melt coating applied to corrugated board by curtain coating. It is intended to be used for routine process control in the plant.
Note 1— Related methods for determining the weight of wax coating include the following: Test Method D 3521; Test Method D 3522, and Test Method D 3344.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.

General Information

Status
Historical
Publication Date
30-Apr-2005
ICS
85.060 - Paper and board
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Drafting Committee
D02.10.0A - Physical/Chemical Properties
Current Stage
Ref Project

Relations

Replaces
ASTM D3708-88(2000) - Standard Test Method for Weight of Wax Applied During Curtain Coating Operation
Effective Date
01-May-2005
Replaced By
ASTM D3708-88(2010) - Standard Test Method for Weight of Wax Applied During Curtain Coating Operation (Withdrawn 2015)
Effective Date
01-May-2010

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ASTM D3708-88(2005) - Standard Test Method for Weight of Wax Applied During Curtain Coating OperationASTM D3708-88(2005) - Standard Test Method for Weight of Wax Applied During Curtain Coating Operation
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ASTM D3708-88(2005) - Standard Test Method for Weight of Wax Applied During Curtain Coating Operation
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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:D3708–88(Reapproved2005)
Standard Test Method for
Weight of Wax Applied During Curtain Coating Operation
This standard is issued under the fixed designation D3708; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope unit area, usually in grams per square metre or pounds per
thousand square feet of board.
1.1 This test method covers the determination of the weight
of hot melt coating applied to corrugated board by curtain
4. Summary of Test Method
coating. It is intended to be used for routine process control in
4.1 The amount of wax applied to corrugated board by
the plant.
means of a curtain coater is determined by attaching a folded
NOTE 1—Related methods for determining the weight of wax coating
sheet of paper to production corrugated board, running the
include the following: Test Method D3521; Test Method D3522, and Test
combination through the curtain coater, and subsequently
Method D3344.
determining the applied weight of wax on the sheet of paper.
1.2 The values stated in SI units are to be regarded as the
5. Significance and Use
standard. The values given in parentheses are for information
only.
5.1 Waxcoatingsareappliedtocorrugatedboardtoprovide
1.3 This standard may involve hazardous materials, opera-
a barrier against moisture or other penetrants or to provide
tions, and equipment. This standard does not purport to
improved appearance or abrasion resistance. These functional
address all of the safety problems associated with its use. It is
properties are influenced by the amount of wax present on the
the responsibility of the user of this standard to establish
surface.
appropriate safety and health practices and determine the
5.2 During curtain coating operations, major portions of the
applicability of regulatory limitations prior to use.
wax will congeal on the surface, while a minor portion will
penetrate and become embedded in the fibers of the facing.
2. Referenced Documents
This method measures the total weight of wax applied to the
2.1 ASTM Standards:
board. The amount actually remaining on the surface of the
D3344 Test Method for Total Wax Content of Corrugated
corrugated board can be determined by Test Method D3521.
Paperboard
5.3 The uniformity of application of wax film across the
D3521 Test Method for Surface Wax Coating On Corru-
width of the curtain coater may also be determined using this
gated Board
technique by passing test combinations (blanks) under the
D3522 Test Method for Applied Coating Wax and Impreg-
curtain at various locations, that is, left side, center, right side.
nating (Saturating) Wax in Corrugated Board Facing
6. Apparatus
3. Terminology
6.1 Sample Trimming Equipment—A suitable trimming
3.1 Definitions:
board or template arrangement equipped with a razor edge
3.1.1 wax loading—the weight of wax present primarily as
knife for even cutting of specimens to the required size with
a surface film but including the minor part embedded in the
parallel edges.
surfacefibersofcorrugatedboard.Itisexpressedasweightper
6.2 Measuring Rule, steel-edged, for measuring the size of
specimens to within 0.5 mm.
1 6.3 Test Paper—Any good quality typing bond with about
This test method is under the jurisdiction of ASTM Committee D02 on
25% cotton fibers approximately 200 by 300 mm (8 ⁄2 by 11
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
D02.10 on Properties of Petroleum Wax.
in.).
Current edition approved May 1, 2005. Published May 2005. Originally
6.4 Pressure-Sensitive Tape, to attach the test paper to the
approved in 1978. Last previous edition approved in 2000 as D3708–88(2000).
corrugated carrier board.
DOI: 10.1520/D3708-88R05.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 6.5 Carrier Board—Production uncoated corrugated board,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
not less than 450 by 750 mm (18 by 30 in.). Die cut, slotted,
Standards volume information, refer to the standard’s Document Summary page on
and printed box blanks are acceptable.
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D3708–88 (2005)
6.6 Analytical Balance, capable of reproducing weighings 8.3 Determine the
...

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