Buchi Syncor Polyvap Instrukcja Użytkownika Pobierz pdf (Strona 54)

Syncore

Accessories

52 version E

Solvent Resistance

Acetaldehyde B

Acetone A

Benzene D

Butanol B

Chloroform D

Diethyl ether C

Dimethylformamide A

Dimethylbenzene (Xylol) D

Dioxane B

Acetic acid A

Acetic acid anhydride B

Ethanol A

Ethyl acetate B

Hexane C

Isobutanol A

Isopropanol A

Methanol A

Methylene chloride D

Nitrobenzene C

Phenol B

Propanol A

Sulphuric acid, fuming C

Carbon tetrachloride D

Tetrahydrofurane B

Toluene D

Triethylamine C

Trichloroacetic acid B

Trichloroehtane D

Trﬂuoroacetic acid C

Vinylidene chloride (Dichloroethylene) D

Aqueous hydrogen bromide, saturated B

Aqueous hydrogen chloride, saturated A

Aqueous ammonia solution A

Aqueous caustic soda A

Aqueous nitric acid B

Resistance of EPDM

A: Very good resistance:EPDM may be used without rest-

rictions

B: Moderate resistance: Sealing made of EPDM may swell.

Sealings may generally be used, but may under some

circumstances have to be replaced after being used

several times.

C: Poor resistance: Sealing deform. The sealings of EPDM

should be used only to a limited extent. We recommend

that the sealings be tested beforehand (softening or

wetting the sealing discs).

D: Very poor resistance: Sealing deform. The sealing of

EPDM should not be used.

Table 8: Resistance of the sealings of EPDM

5 Appendix

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