BUCHI Syncor Polyvap - Manual (Page 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