Polyco Automotive Catalogue

Chemical Performance

BS EN374-1 Permeation Performance Levels and Corresponding Breakthrough Times in Minutes The below handy chemical breakthrough ‘ready-reckoner’ shows popular gauntlet materials and the associated breakthrough times for some common chemicals. For specific chemical breakthrough times, and an application specific product solution contact your local area sales manager, these should be used as a guide only.

Mediumweight Nat Rubber (0.7mm)

Heavyweight Nat Rubber (1.0mm)

Lightweight PVC (0.6mm)

Mediumweight PVC (0.8mm)

Heavyweight PVC (1.2mm)

Nitrile 0.4mm

Chemical

Neoprene

Acetic acid

120

200

400

60

300

46 18

120

Acetone

9 4

20

18 14

9

23 70

50

Acetonitrile Allyl alcohol

9

15

3

6

100

160

190

210 250

110

15 25

46 50

Ammonia

36 12

39 18

49 25

80 18

Amyl acetate Amyl alcohol

11

6

9

100 180

160 347

190 280

210

110 196

15 15

46 22 15

Aniline

53 14

Benzene Butanol Chemical Performance Technical 17 Butyl acetate 24 40 Carbon Tetrachloride Chromic acid Cyclohexane 52 Dibutyl Phthallate Dichloromethane 1 4 Diesel 20 Diethyl phthalate Di-isobutyl ketone 1 10 Ethanol 100% Ethyl acetate Ethylamine gas 12 26 Formaldehyde 37% in 10% methanol Formic acid (50%) Hexane 20 Hydrochloric acid 37% Hydrofluoric acid Hydrogen peroxide (30%) Kerosene (Burning oil - 28 sec) Methanol 85 10 MEK (2- Butanone) Naphtha solvent Nitric acid 40% Nitrobenzene 44 Phenol 10% Phosphoric acid 30% Potassium hydroxide Sodium hydroxide (40%) Sulphuric acid (96%)

30

32

12

8

200

320

400

>480

250

50 11 11 80 21 55

127

33 55

45

48

24 30 45

20 27

100

260

300

360

>480

90

110

98

93

360 260

159 130

47 88 12 24 88 18 46

3 6

5 9

3

6

5

38

29

360 260

57

16 55

3

5

130

18

20

6

12

7

100

160

190

210

110

15

18 40

25 61

11 35

18 92

6

9

29

55

360

>480

>480

>480

120

17

60

390

>480

>480

180 360

>480

300

360

38

29

57

16

24

>480

>480

>480

>480

>480

>480

>480

240

>480

>480

120

360

240

300

270

>480

>480

>480

5

>480

>480

240

300

360

>480

>480

15

15

78 18

87 20

60

50 12

5 7 4

15 18

6

110

140

180 173 190 400

360

340 240

8

84

50 25 30

100 190

140 320

50

18 30

40 40

>480 >480 >480

>480 >480

>480 >480

>480 >480

>480 >480

>480 >480

>480 >480

>480

>480

>480

>480

>480

>480

>480

36 13 24

120

180

180

90

100

150

Trichloroethylene

13 36

17 50

6

9

4

11 22

Xylene

44

13

11

All results are for indication only and Polyco Healthline are not responsible if results obtained do not match those shown Level 0 | <10minutes

Level 6 | >480 minutes Not tested

Level 3 | >60 minutes <120 minutes Level 4 | >120 minutes <240 minutes Level 5 | >240 minutes <480 minutes

Level 1 | >10minutes <30minutes Level 2 | >30 minutes <60 minutes

72