Chemical resistance of PTFE to common acids and bases
|
Reagent
|
|
Exposure temperature (Celsius degree)
|
Exposure time
|
Weight Gain (%)
|
|
Hydrochloric Acid
|
10%
10%
10%
20%
20%
|
25
50
70
100
200
|
12 months
12 months
12 months
8 hours
8 hours
|
0
0
0
0
0
|
|
Nitric Acid
|
10%
10%
|
25
70
|
12 months
12 months
|
0
0.1
|
|
Sulfuric Acid
|
30%
30%
30%
30%
|
25
70
100
200
|
12 months
12 months
8 hours
8 hours
|
0
0
0
0.1
|
|
Sodium Hydroxide
|
10%
10%
50%
50%
|
25
70
100
200
|
12 months
12 months
8 hours
8 hours
|
0
0.1
0
0
|
|
Ammonium Hydroxide
|
10%
10%
|
25
70
|
12 months
12 months
|
0
0.1
|
Note: average data taken from statistical samples, intended for indicative purposes only
Chemical resistance of PTFE to common solvents
|
Solvent
|
Exposure temperature (Celsius degree)
|
Exposure time
|
Weight Gain (%)
|
|
Acetone
|
25
50
70
|
12 months
12 months
2 weeks
|
0.3
0.4
0
|
|
Benzene
|
78
100
200
|
96 hours
8 hours
8 hours
|
0.5
0.6
1.0
|
|
Carbon Tetrachloride
|
25
50
70
100
200
|
12 months
12 months
2 weeks
8 hours
8 hours
|
0.6
1.6
1.9
2.5
3.7
|
|
Ethanol95%
|
25
50
70
100
200
|
12 months
12 months
2 weeks
8 hours
8 hours
|
0
0
0
0.1
0.3
|
|
Ethyl Acetate
|
25
50
70
|
12 months
12 months
2 weeks
|
0.5
0.7
0.7
|
|
Toluene
|
25
50
70
|
12 months
12 months
2 weeks
|
0.3
0.6
0.6
|
Note: average data taken from statistical samples, intended for indicative purposes only
کلمات کليدي: توسعه تفلون – تفلون PTFE – پلي آميد PA – پلي استال POM – پلي اورتان PUR – پيک PEEK - ورق – ميلگرد – لوله – تفلون PTFE چيست؟ - ورق تفلون PTFE – ميلگرد تفلون PTFE – لوله تفلون PTFE – ورق پلي آميد PA – ميلگرد پلي آميد PA – ورق پلي استال POM – ميلگرد پلي استال POM – ورق پلي اورتان PUR – ميلگرد پلي اورتان PUR – ميلگرد پيک PEEK – تفلون برنز PTFE + BR – تفلون کربن PTFE + Cr – تفلون گلاس PTFE + Gl - پي تي اف اي - پلي آميد کست - زلاميد - تترافلوئوراتيلن - پليمر - پلاستيک
گردآورنده: پريسا اکبري