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VDL (E3.1) 10/2020 Page 26/196
Requirements for the chamber load
Insert only substances with an auto-ignition temperature that is higher than 200 °C / 392 °F into the VDL
vacuum drying ovens. The chambers are not suitable to dry substances with an auto-ignition temperature
below 200 °C / 392 °F. Substances falling under Gas group / Explosion group IIC are not permitted (e.g.
carbon disulfide, acetylene, hydrogen. Substances falling under groups II A and II B may be introduced.
The VDL vacuum drying ovens are NOT suitable for the heat treatment of substances, which tend towards
exothermal decomposition, or for materials that come under the legal definition of explosives. Such sub-
stances must not be introduced into the oven. Dangerous chemical reactions must not occur during the
drying process. Exothermal reactions must definitely be excluded. Familiarize yourself with the physical
and chemical properties of the loading material, as well as the contained moisture constituent and its be-
havior with the addition of heat energy and changes in pressure. Familiarize yourself with any potential
health risks caused by the loading material, the contained moisture constituent or by reaction products that
may arise during the temperature process. Take adequate measures to exclude such risks prior to putting
the chamber into operation.
VDL vacuum drying ovens are NOT suitable for use in conjunction with explosive dust atmospheres or
hybrid mixtures. Combustible dust are generally not permitted.
DANGER
Explosion or implosion hazard and danger of poisoning by introduction of unsuita-
ble loading material.
Serious injury or death from burns and / or explosion pressure or by poisoning.
∅ Do NOT introduce any substance with an auto-ignition temperature below 200 °C /
392 °F into the chamber.
∅ Do NOT introduce any combustible dust into the chamber.
∅ Do NOT introduce any substance, which tend to exothermic decomposition into the
chamber.
∅ Do NOT introduce any substance, which fall under the explosives law into the chamber
∅ Do NOT introduce energy sources such as batteries or lithium-ion batteries into the
chamber.
∅ Do NOT introduce any substance which could lead to release of toxic gases into the
chamber.
The loading material shall not contain any corrosive ingredients that may damage the ma-
chine components made of stainless steel and aluminum. Such ingredients include in particu-
lar acids and halides. Any corrosive damage caused by such ingredients is excluded from lia-
bility by BINDER GmbH.
Medical devices
The chambers are not classified as medical devices as defined by the Medical Device Directive 93/42/EEC.
Equipotential bonding
Safe grounding can avoid electrostatic ignition hazards. The most important protective measure is to con-
nect and ground all conductive parts. All conductive parts must have electrical potential. The grounding
plan (Chap. 6.8) must be implemented.
Avoid electrostatic charges. Clean the device only with a damp cloth. Avoid rubbing with non-
conductive materials.
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