Buchi Multivapo P-12 Manuel d'utilisateur télécharger pdf (Page 25)

3 Technical data

25 Multivapor™ Operation Manual, Version E

Table 3-10: Range of application for the O-rings of the conical adapters

EPDM FKM FKKM PEEK PET(P) PFA PTFE

Acetaldehyde B D A A A A A

Acetic acid A B A A A A A

Acetic acid anhydride B D A A A A A

Acetone A D A A B A A

Benzene D A A A A A A

Butanol B A A A B A A

Chloroform D A A A B A A

Diethyl ether C C A A A A A

Dimethylformamide A - A A B A A

Dimethylbenzene (Xylol) D A A A A A A

Dioxane B - A A A A A

Ethanol A A A A A A A

Ethyl acetate B D A A - A A

Hexane C A A A A A A

Isobutanol A A A A A A A

Isopropanol A A A A A A A

Methanol A B A A A A A

Methylene chloride D A A A D A A

Nitrobenzene C B A B D A A

Phenol B A A B C A A

Propanol A A A A A A A

Sulphuric acid, fuming C A A C C A A

Carbon tetrachloride D A A A A A A

Tetrahydrofurane B D A A A A A

Toluene D A A A A A A

Triethylamine C A A A - - -

Trichloroethane D A A A A - -

Trichloroacetic acid B - - A - A A

Vinylidene chloride D - A A B - -

Aq. HBr, sat. B A A C - A A

Aq. HCl, sat. A A A B A A A

Aq. ammonia solution A D A A A A A

Aqueous caustic soda A B A A B A A

Aqueous nitric acid B A A B B A A

*A: very good resistance, B: moderate resistance, C: poor resistance, D: very poor resistance

NOTE

Table 3-10 refers to the chemical resistance of the solid material in liquids. However, the resistance

against the corresponding vapors is signiﬁcantly better. Tabled values may vary by changing temper-

ature and pressure.

The PETP vacuum cover is equipped with EPDM O-rings. A set of 12 FKM O-rings is enclosed.

Alternatively, there are highly resistant FFKM O-rings available. The PEEK vacuum cover is equipped

with FFKM O-rings by default.

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 75 76

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Buchi Multivapo P-12 Manuel d'utilisateur Page 25

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