Standard
Track updates
AS 2498.8-1991
[Current]Methods of testing rigid cellular plastics, Method 8: Determination of water absorption
Specifies a method for determining the water absorption of rigid cellular plastics by measuring the change in buoyant force resulting from immersion in distilled water.
Published: 11/02/1991
Pages: 8
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
FOREWORD
1 SCOPE
2 APPLICATION
3 REFERENCED DOCUMENT
4 PRINCIPLE
5 APPARATUS
5.1 Balance
5.2 Underwater weighing jig
5.3 Immersion tank
5.4 Test specimen rack
5.5 Balance platform
5.6 Forced-air circulating oven
5.7 Dessicator
5.8 Low-permeability plastic film
5.9 Measuring instruments
6 TEST SPECIMENS
6.1 Dimensions
6.2 Preparation
6.3 Number
6.4 Conditioning
7 PROCEDURE
8 CORRECTION FOR SWELLING AND CUT SURFACE CELLS
8.1 Procedure A (uniform swelling)
8.1.1 Applicability
8.1.2 Determination of correction for volume of the cut surface cells
8.1.3 Correction for uniform swelling
8.2 Procedure B (non-uniform swelling)
8.2.1 Applicability
8.2.2 Determination of correction for swelling and for cut surface cells
9 CALCULATION OF RESULTS
9.1 Original volume
9.2 Surface area
9.3 Percentage water absorbed
9.3.1 No deformation
9.3.2 Uniform swelling
9.3.3 Non-uniform swelling
10 REPORT
APPENDIX A
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A3.1 Slicer
A3.2 Slide assembly
A3.3 Projector
A4 SPECIMENS
A4.1 Number of specimens
A4.2 Dimensions
A5 PROCEDURE
A6 CALCULATIONS
A7 DERIVATION OF RELATIONSHIP BETWEEN CELL DIAMETER AND CELL CHORD LENGTH
Cited references in this standard
[Current]
Methods of testing rigid cellular plastics, Method 2: Determination of linear dimensions
$57.13
AUD
Inclusive of GST
Available formats
Web Reader
Licence:
1 user
Total
$57.13
