BS 6564-1.2(1989) : 1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
POLYTETRAFLUOROETHYLENE (PTFE) MATERIALS AND PRODUCTS - POLYTETRAFLUOROETHYLENE POWDERS FOR MOULDING AND EXTRUSION - METHOD OF SPECIFYING
Hardcopy , PDF
15-04-1996
English
01-01-1989
Foreword
Committees responsible
Method
1 Scope
2 Definitions
3 Designation
4 Properties and tolerances
Appendices
A Method for the determination of bulk density
B Method for the determination of particle size
C Method for the determination of the flow time of
granular PTFE powders
D Method for the determination of density
E Method for the determination of tensile strength and
elongation at break: moulded disc method
F Method for the determination of tensile strength and
elongation at break: moulded cylinder method
G Information to be declared with the product
Tables
1 Minimum requirements
2 Additional properties
3 BS 410 sieve data
4 Data for the example on determining particle size
Figures
1 Details of the funnel used for the determination of
bulk density
2 Volumetric cup and cup stand for the determination
of bulk density
3 Levelling device for the determination of bulk
density and flow time
4 Example plot: particle size
5 Funnel for determination of flow time
6 Volumetric cup and cup stand for the determination
of flow time
7 Mould assembly for the preparation of specimens for
the determination of density
8 Mould assembly for the preparation of specimens for
the determination of tensile strength and elongation
at break: moulded disc method
9 Test specimen/knife-edged die dimensions for use in
the determination of tensile strength and elongation
at break
10 Mould assembly for the preparation of specimens for
the determination of tensile strength and elongation
at break: moulded cylinder method
11 General arrangement in press: tensile strength and
elongation at break: moulded cylinder method
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