TU 6-05-1999
(-CF2-CF2-)n
Analogs: Teflon PTFE 8, 8A, 8B, 850-A; Algoflon S111, S121, S131; Dyneon TF1620; TF1641, TF1645; Tarflen SG-1, SG2; Fluon G401, G307, G320.
Fluoroplast-4А (F-4А) is a free-flowing polymer; it has all properties of fluoroplast-4. F-4A is more manufacturable during processing, does not get caked and conglutinated during transportation.
Properties of F-4А:
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Property
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Grades
|
||
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F-4А-1
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F-4А-2
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F-4А3
|
|
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Appearance
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Free-flowing white powder
|
||
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Moisture content, %, max
|
0,02
|
0,02
|
0,02
|
|
Bulk density, kg/m3, min
|
710
|
690
|
670
|
|
Flowability, max
- angle of slope, (degree)
|
36
|
36
|
36
|
|
Granulometric composition, %, max
- content of residue on 1 mm sieve
- content of residue on 0.20 mm sieve
|
15
5
|
20
11
|
35
15
|
|
Tensile strength, MPa (kgf/cm2), min
|
26 (265)
|
21 (214)
|
21 (214)
|
|
Elongation at break, %, min
|
310
|
275
|
250
|
F-4А is used for manufacturing of precise size articles by automatic, isostatic and compression molding and ram extrusion. Properties of F-4A are the same as of F-4.
