Fluorine lined performance table
| |
|
name Abbreviation |
聚四氟乙烯 |
聚三伏氯乙烯 |
聚偏氟乙烯 |
聚全氟乙丙稀 |
可溶性聚四氟乙烯 |
聚丙稀 |
聚烯 |
| performance |
|
code |
PTFE |
PCTEF |
PVDF |
FEP |
PFA |
PP |
PO |
| |
item |
unit |
F4 |
F3 |
F2 |
F46 |
*FA |
PP |
PO |
| Physical properties |
proportionr |
g/cm3 |
2.1-2.2 |
2.1-2.2 |
1.76 |
2.1-2.2 |
2.11-2.2 |
0.83 |
0.75 |
| water absorption |
% |
0.001-0.005 |
≤0.05 |
0.04 |
≤0.01 |
≤0.01 |
≤0.01 |
≤ 0.01 |
| Synthesizer shrinkage |
% |
1-5 |
1-2.5 |
2.0 |
2-5 |
1-5 |
2-4 |
2-4 |
| Thermal expansion coefficient |
10-5/k |
10-12 |
4.5-7.0 |
8.5-15.3 |
8.3-10.5 |
8-12 |
8-1 |
8.2-11.5 |
| Brittle temperature T1 |
℃ |
-180-195 |
-80-195 |
-62 |
-260 |
-180--195 |
-14 |
-58 |
| Continuous heat T2 |
℃ |
260 |
120-190 |
150 |
204 |
260 |
80 |
80 |
| Recommended temperature T3 |
℃ |
180≤ |
180≤ |
≤100 |
≤150 |
≤180 |
≤80 |
≤80 |
| Mechanical Properties |
rigidity |
Shao Shi |
D50～65 |
D74～78 |
D80 |
(R45) |
D50～65 |
D56～60 |
D45～58 |
| Friction coefficient f |
- |
0.06 |
0.3～0.4 |
0.14～0.17 |
0.06～0.11 |
0.06～0.11 |
0.08～0.13 |
0.06～0.11 |
| Tensile Strength b |
MPa |
13.7～24.5 |
31.3～39.2 |
45～48.3 |
20.2～24.5 |
14～28 |
12～24 |
18～30 |
| Bending Strength w |
MPa |
10.7～13.7 |
53.9～68.6 |
- |
- |
15～28 |
18～31 |
24～37 |
| Compressive strength y |
MPa |
111 |
80.3～50.9 |
68.8 |
- |
111 |
98～110 |
92～112 |
| Impact Strength k |
KJ/m2 |
16 |
12.7～16.6 |
19.7 |
Continuously |
1+ |
15 |
18 |
| Limit Extension |
% |
250～350 |
30～190 |
30～300 |
250～270 |
300～500 |
30～160 |
50～200 |
| Breakdown Voltage v |
KV/mm |
25～40 |
19.7 |
10.2 |
40 |
24～40 |
21～32 |
25～40 |
| handling performance |
Molding |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
| Injection |
- |
- |
- |
- |
- |
- |
- |
- |
| Laminated |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
| Coating |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
excellent |
According to the fluorine plastic temperature - pressure rating curve that inner lined steel pressure bearing parts, it is recommended customers to choose most suitable valve applicable temperature in this temperature range.
The recommended temperaturePE≤100℃，PP100℃，PVC≤55℃ |
| Corrosion resistance |
medium |
density（%） |
temperature（℃） |
PTFE |
PCTEF |
PVDF |
FEP |
PEA |
PP |
PO |
| sulfuric acid |
10～98 |
normal temperature ～100 |
A |
A-B |
A-B |
A |
A |
density <93A |
density <93A |
| nitric acid |
5～98 |
normal temperature～100 |
A |
A |
A |
A |
A |
density <68C |
density <68C |
| Hydrochloride |
10～38 |
normal temperature～100 |
A |
A |
A |
A |
A |
A |
A |
| Acetate |
10～100 |
normal temperature～100 |
A |
A-B |
A-B |
A |
A |
D |
D |
| Chromic acid |
50～100 |
normal temperature～70 |
A |
A-B |
A-B |
A |
A |
D-C |
D-C |
| Phosphate |
50～85 |
normal temperature～100 |
A-B |
A |
A |
A-B |
A-B |
A |
A |
| THM |
100 |
normal temperature |
C |
D |
D |
C |
C |
C |
C |
| Copper sulfate |
15 |
normal temperature |
A |
B |
B |
A |
A |
A |
A |
| 2 ether |
100 |
normal temperature |
B |
C |
C |
A |
B |
D |
D |
| Ethyl acetate |
100 |
normal temperature |
B |
C |
C |
C |
B |
C |
C |
| Gasoline |
100 |
normal temperature |
A |
A |
A |
A |
A |
D |
D |
| Hydrogen peroxide |
3～30 |
normal temperature |
A |
A-B |
A-B |
A |
A |
C |
C |
| aqua regia |
- |
normal temperature |
A |
A |
A |
A |
A |
B |
B |
| nitrobenzene |
100 |
normal temperature |
A |
B |
B |
A |
A |
B |
B |
| caustic soda |
10～50 |
normal temperature～100 |
A |
A-B |
B |
A |
A |
A |
A |
| NaClO |
- |
70 |
A |
A |
A |
A |
A |
A |
A |
| HF hydrofluoric acid |
40～99 |
-10～30 |
A-B |
B |
B |
A-B |
A-B |
B |
B |
| fuming sulfuric acid |
20 |
normal temperature |
A |
B |
B |
A |
A |
A |
A |
| Acrylonitrile |
- |
normal temperature |
B |
C |
C |
B |
B |
C |
C |
| aniline |
100 |
normal temperature |
B |
B |
B |
B |
B |
C |
C |
| benzeze |
100 |
normal temperature |
B |
C |
C |
C |
B |
C |
C |
| Butyl acetate |
100 |
normal temperature |
B |
C |
C |
B |
B |
C |
C |
| CTC |
reagent grade |
normal temperature |
B |
C |
C |
B |
B |
D |
D |
A, B, C, D surface corrosion resistance performance, it can be divided into four grades: excellent, good, bad and poor.
