○ Auto Ignition Temperature (AIT) 375°C or higher
○ Minimum Ignition Energy (MIE) 100mJ or higher
– Minimum particle size
○ Average particle size (d50) >10um
○ Minimum particle size (d10) >2um
– Melting temperature
○ Less than 210°C
– Other requirements
○ Non-conductive material
○ Material non-reactive with other material or HP agents (refer to agents MSDS), stable.
Additionally, for the 5210 Pro processing station only:
● Use a bulk discharging system and drum rotator suitable for combustible dust and compatible with
the mat
erial that you intend to use.
● Keep an area of at least 2 m (79 in) around the bulk discharging system clear of electric/electronic
de
vices and any sources of ignition.
● Use rigid pipes and flexible hoses suitable for transporting combustible powder and properly
ear
thed.
● Use static earthing clamps to connect an external tank or a material loading tank (when used as a
bulk mat
erial supply) to an earthing point.
● HP recommends to use a standard grounding connection installed between the metalized earth
s
trap coming with the bulk material supply metalized liner/bag containing the powder and your
facilities infrastructure.
Electric shock hazard
Take precautions to avoid the risk of electric shock.
WARNING! The internal circuits inside the e-cabinet, top heating, fusing lamps, build unit, and
processing station operate at hazardous voltages capable of causing death or serious personal injury.
WARNING! High leakage current! The equipment must be connected to earth at all times.
Turn off the equipment using the branch circuit breakers located in the building's Power Distribution Unit
(PDU) before servicing. The equipment must be connected to earth at mains outlets only.
NOTICE: Risk of electric shock. Power cabinet access to HP trained personnel only.
8 Chapter 2 Safety precautions
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