Polypropylene (Pp); Stainless Steel; Fine Stoneware / Stoneware; Coating - Wesemann SYSTEM DELTA 30 User Manual

Laboratory fume cupboard
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7.2.5

Polypropylene (PP)

When cleaning the surface of the compact board, a soap solution or suitable organic solvent can be used.
When cleaning with organic solvents which are capable of forming an explosive mixture when in contact with air,
the Polypropylene can become charged and sparking can occur when discharging.
Cleaning the surface of PP
Cleaning the surface of PP
Cleaning the surface of PP
Apply a soap solution to the contaminated area with a damp cloth and allow to act briefl y. Then remove the
soap solution residues with water and a cloth.
7.2.6

Stainless steel

To clean stainless steel, standard household cleansing milk or washing-up liquid may be used. Cleaning with
abrasive cleaners damages the surface and must, therefore, not be used. The use of scouring pads and steel
wool made of "normal" steel are also harmful to the surface. They give off rusting iron particles which impair the
typical self-mechanism of stainless steel.
Cleaning the surface of stainless steel
Cleaning the surface of stainless steel
Apply the cleaning solution to the contaminated areas with a cloth or soft sponge, allow to act for a short time
and remove with a cloth or sponge and water.
7.2.7

Fine stoneware / stoneware

To clean stoneware, washing-up liquid can be used. Highly abrasive cleaning agents and ceramic knives
damage the surface and may, therefore, not be used.
Cleaning the surface of fi ne stoneware
Cleaning the surface of fi ne stoneware
Cleaning the surface of fi ne stoneware
With a damp cloth or sponge, apply the washing-up liquid and water to the contaminated surface and work
in lightly. Subsequently, remove with water and a cloth. Stubborn stains can be removed with a moderately
abrasive cleaning agent and a sponge without a scouring surface.
7.2.8
Coating (Surface of painted metal parts)
For the cleaning of the coating, only water with small quantities of neutral detergents (pH7) may be used.
The use of solvents such as ester, ketone, alcohols, aromatic compounds, glycol ethers or halogenated
hydrocarbons, as well as highly acidic or alkaline and abrasive cleaning agents may not be used.
Cleaning the surface coating
Cleaning the surface coating
The surface temperature of the parts to be cleaned, as well as the temperature of the cleaning agent may
User Manual | Laboratory Fume Cupboard | Cleaning of Laboratory Fume Cupboards
79

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