B32521 datasheet(39/46 Pages) EPCOS

39 / 46 page

Cleaning

To determine whether the following solvents, often used to remove flux residues and other sub-

stances, are suitable for the capacitors described, refer to the table below:

Type

Ethanol,

isopropanol,

n-propanol

n-propanol-water

mixtures,

water with surface

tension-reducing

tensides (neutral)

Solvent from

table A (see

next page)

Solvent from

table B (see

next page)

MKT

(uncoated)

Suitable

Unsuitable

In part suitable Unsuitable

MKT, MKP, MFP

(coated/boxed)

Suitable

Even when suitable solvents are used, a reversible change of the electrical characteristics may

occur in uncoated capacitors immediately after they are washed. Thus it is always recommended

to dry the components (e.g. 4 h at 70

°C) before they are subjected to subsequent electrical test-

ing.

Table A

Manufacturers' designations for trifluoro-trichloro-ethane-based cleaning solvents (selection)

Trifluoro-trichloro-

ethane

Mixtures of trifluoro-trichloro-ethane with ethanol and

isopropanol

Manufacturer

Freon TF

Freon TE 35; Freon TP 35; Freon TES

Du Pont

Frigen 113 TR

Frigen 113 TR-E; Frigen 113 TR-P; Frigen TR-E 35

Hoechst

Arklone P

Arklone A; Arklone L; Arklone K

ICI

Kaltron 113 MDR

Kaltron 113 MDA; Kaltron 113 MDI; Kaltron 113 MDI 35

Kali-Chemie

Flugene 113

Flugene 113 E; Flugene 113 IPA

Rhone-Progil

Table B (worldwide banned substances)

Manufacturers' designations for unsuitable cleaning solvents (selection)

Mixtures of chlorinated hydrocarbons and ketones with fluorated hydrocarbons

Manufacturer

Freon TMC; Freon TA; Freon TC

Du Pont

Arklone E

ICI

Kaltron 113 MDD; Kaltron 113 MDK

Kali-Chemie

Flugene 113 CM

Rhone-Progil

B32520 ... B32529

General purpose (stacked/wound)

Page 39 of 46

Please read Important notes

at the end of this document.

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