Stratasys J750 User Manual page 20

Stratasys J750 User Guide
Printing Materials
J750 printers produce models by jetting thin layers of printing materials on
the build tray, until the complete model is formed. Two types of material are
used in this process:
• Model material—which makes up the finished model
• Support material—which fills gaps and spaces in the model during
For up-to-date information about PolyJet printing materials and their
properties, go to www.stratasys.com/materials/polyjet.
Materials used for printing models with J750 printers are made of resins,
Storage
which are composed of reactive monomers and oligomers. Although printing
materials are supplied in sealed, UV-proof cartridges, care must be taken
when storing and handling them. Follow these guidelines to protect operators
and the environment, and to ensure optimum results.
• To ensure product stability, do not allow these materials to come into
• When not in use, keep material cartridges tightly sealed to prevent
• Store material cartridges indoors, in a dry area with adequate ventilation,
• Signs of premature polymerization in material cartridges include bulging,
• Make sure that material cartridges are stored in accordance with all local
Materials used for producing models have a limited shelf life. The expiry date
Shelf Life
on the label is valid when properly stored in an undamaged, unopened
cartridge. Always rotate your stock, so that the cartridge with the earliest date
is used first.
If printing materials are not in their sealed cartridges, make sure to shield
Exposure to
them from sunlight and other sources of UV radiation, such as fluorescent
Light
and mercury-vapor lights. Exposure to UV radiation causes an increase in
viscosity and, eventually, solidification.
DOC-08040 Rev. E
printing, and is removed after printing
contact with metal. Plastics made from monomer-soluble substances (such
as polystyrene or polyvinyl chloride) are not suitable for storing PolyJet
printing materials.
contamination, the effects of exposure to UV radiation, and accidental
spillage.
between 15–25 degrees Celsius (59-77 degrees Fahrenheit). If exposed to
heat or flames, cartridges might burst or ignite.
leaking, the emission of heat, and unusual odor. Exposure to heat can
cause resin to gel in the cartridges.
regulations and other applicable requirements.
3 Introducing the Stratasys J750 3D Printing System
3-4