Buchi Syncor Polyvap Manual de usuario descargar pdf (Pagina 55)

Syncore

Accessories

version E 53

Solvent Resistance

Acetaldehyde B

Acetone A

Benzene A

Butanol A

Chloroform A

Diethyl ether A

Dimethylformamide A

Dimethylbenzene (Xylol) A

Dioxane A

Acetic acid A

Acetic acid anhydride A

Ethanol A

Ethyl acetate A

Hexane A

Isobutanol A

Isopropanol A

Methanol A

Methylene chloride A

Nitrobenzene A

Phenol A

Propanol A

Sulphuric acid, fuming A

Carbon tetrachloride B

Tetrahydrofurane A

Tolene A

Triethylamine A

Trichloroacetic acid A

Trichloroethane A

Triﬂuoroacetic acid A

Vinylidene chloride (Dichloroethylene) A

Aqueous hydrogen bromide, saturated A

Aqueous hydrogen chloride, saturated A

Aqueous ammonia solution A

Aqueous caustic soda A

Aqueous nitric acid A

Table 9: Resistance of the perﬂuorelastomer sealings

Resistance of the perﬂuorelastomer sealings

A: Very good resistance: Perﬂuorelastomer may be used

without restrictions

B: Moderate resistance: Sealing made of Perﬂuorelastomer

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 Per-

ﬂuorelastomer 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

Perﬂuorelastomer should not be used.

5 Appendix

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