Mitsumi electronic E Series ユーザーズマニュアル

4-1

The frame and casing material is powder-coated aluminum. This powder paint 
withstands exposure of up to 24 hours duration to the following chemicals without 
visible change:

Autotex F157 covers the membrane keyboard.

Autotex F157 withstands exposure of more than 24 hours duration under DIN 42 
115 Part 2 to the following chemicals without visible change:

Ammonia 25%

Isopropyl alcohol

Nitric acid 3%

De-ionized water

Tap water

Chlorhydric acid 10%

Butanol

Cooling liquid 50%

Washer fluid 33%

Citric acid 10%

Ligroin

Sulphuric acid 20%

Diesel

Cooking oil

Turpentine

Ethanol 99.5% denaturated

Lactic acid 10%

Urea saturated

FAM-Normal petrol

Sodium di-chromate
saturated

Hydroperoxide 3%

Alcohol 95%

Caustic soda 5%

Acetic acid 10%

Phosphoric acid 43%

Sodium hypochlorite
solution

Alu-cleaner

Glycol

Sodium carbonate 10%

- 

Industrial petrol

Sodium chloride 20%

- 

Potassium ferrocyanide/
ferricyanide

Sodium hypchlorite <20%
(bleach)

1.1.1. Trichloroethane
(Genklene)

Cyclohexanol

Acetaldehyde

Ethylacetate

Diacetone alcohol

Aliphatic hydrocarbons

Diethyl ether

Glycol

Toluene

N-Butyl acetate

Isopropanol

Xylene

Amylacetate

Glycerine

White spirit

Butycellosolve

Methanol

Fromic acid <50%

Ether

Triacetin

Acetic acid <50%

MIBK

Dowanol DRM/PM

Phosphoric acid <30%

Cutting oil

Acetone

Hydrochloric acid <36%

Potassium carbonate

Metyl ethyl ketone

Nitric acid <10%

Washing powders

Dioxan

Trichloracetic acid <50%

Fabric conditioner

Cyclohexanone

Sulphuric acid <10%

Ferric chloride

Ethanol

Formaldehyde 37% - 42%

Ferrous chlorid

Isophorone

Potassium hydroxide <30%

Dibutyl Phthalate