Dental casting UV resin 802

Dental casting UV resin 802

Name:Dayoude Green cast resin

Model: 802

Colour: Green

BrandDayoude

Type of packing: Plastic bottle

Packing specification: 500g/1000g

light sourceLCD/DLP printer for 365-405nm

3D printed dental casting photosensitive resin 802

PRODUCT DETAILS:

Type 802 lost wax casting photosensitive resin is a yellow casting material with 80% wax content, complete combustion, no ash, and low expansion. The printed wax model has clear details and excellent hardness, tougher than 801#.

It supports a variety of paraffin casting conditions and is compatible with high-quality gypsum to enhance the excellent effect of using gypsum outsourcing to cast jewelry.


From retailers and designers who produce custom jewellery to large-scale foundries, jewelers can use Dayoude brand cast resins to expand their business.The high precision and smooth surface finish of Dayoude casting series resin allows you to go directly from design to production.


Use802 is suitable for gold and silver jewelry and more suitable for wax crowns, steel bracket wax molds and other models that require hardness in the dental industry.

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Material property data

 PROPERTY

Unit

PROCEDURE

Results

Viscosity

cps@25℃


80-150

Critical exposure energy

( mJ/cm2 )


8.1~9.0

Tensile Strength

MPa

ASTM D638

36-52

Tensile modulus

MPa

ASTM D638

1,700-2,335

Elongation

%

ASTM D 648 @66PSI

4-8

Heat distortion temperature


55

Shore hardness

D


81

Recommended printing parameters

Item

Test results

Printing layer thickness

0.035-0.05mm

Number of printing layers

3-5 layers

Bottom exposure time

30 seconds/layer

Exposure time

5 seconds/layer

Item

Test results

Phrozen Sonic Mini 4K

6.1‘’ 4K LCD 3D printer

Layer thickness

0.03mm

Number of printing layers

6 layers

Exposure time

5s/layer

Bottom exposure time

8s/layer

Lifting distance of bottom layer

5mm/layers

Lifting distance of bottom layer

5mm

Lifting speed of bottom layer

40mm/min

Notice

The above values may vary depending on the geometry of the part, printing settings, temperature changes, secondary post-curing, etc. The actual values may vary. Therefore, users must test the product before use to ensure that it can meet your final use of printing performance. Require. The above values are typical values and we do not agree with them as binding material specifications or warranties unless expressly agreed in writing. The final effect depends on the actual usage of the user, this table is for reference only.


About operation

Printing

Before use: 

Shake the liquid resin evenly before usePlease wear gloves to clean the resin tank and the molding platform and keep the bottom of resin tank in light transmission.


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When using:

Pour the 801 resin into the resin tank of the 3D printer, and import the dental model into the printer for printing.

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After use:

After printing, please use the matching tools for post-processing, including blade, diagonal pliers, tweezers, containers, gloves; ethanol (≥95%).

 

Washing

Remove the custom tray from the build platform and soak in IPA(isopropanol) or ethanol(≥95%) to remove the extra resin. Use an ultrasonic cleaner if necessary. Please be aware that IPA and ethanol must NOT be placed directly in the tank of the ultrasonic cleaner.

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Removing Supports

Manually snap off or use a flush cutter to snip away the support structure from the printed model. Using the flush cutter, cut the supports as close as possible to their attachment points on the model. Be careful not to nick the model itself, as this can cause pitting that may be difficult to remove during sanding.

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Post-curing

For post-curing, the curing energy and curing time depends on the post-curing unit. For example, a good surface hardness can be achieved by 10 minutes of post-curing using a 36W (12WCCFL + 24W LED) UV curing box at 405nm or using Formlabs FormCure curing box at 405nm at 60°C for 15 minutes.

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Polishing

Polish the surface using polishing paper or a rotary tool with a buffing attachment. Do not finish the print with mineral oil after sanding.

 

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Casting

 

 

 

 

 01Try to make the wall thickness of the model thinner, and not too thick.

02Using the three-dimensional casting gypsum powder of the American SRS and Hunter brands.

03The printed model must be cleaned and the model must be cured twice. The surface of the model and the mold on the inner wall of the non-stick plaster powder must be dry.

04After wrapping the model in plaster, leave it for 24 hours. After the gypsum has dried to be free of moisture, it is then calcined. Direct sintering without drying will cause the gypsum to crack.

05Heat the muffle furnace to 500-600°C, then put it in the plaster mold, heat it to 780-850°C and keep it for 4 hours (it is recommended to keep the heat preservation for 2 hours after turning the plaster mold for 2 hours, the wax mold will be sintered more evenly and cleanly)

06After sintering, take out the plaster mold from the high temperature furnace and pour the metal.

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instructions

lShake well before use and then pour into resin tank;

lDuring the use, wear protective gloves and keep the room ventilated;

lThis product contains reactive chemicals, avoid contact with eyes, skin and clothing;

lThis product have slight irritation on eyes and skin. If you contact your eyes inadvertently, rinse immediately with plenty of water and seek medical advice in time;

lPlease wash with soapy water immediately after contacting with skin; wash thoroughly after contacting with clothes before wearing;

lKeep the product away from pregnant women and children.

 

Storage and transportation

lThe resin should be sealed and stored in the original package at home temperature in a dark area to avoid high temperature and sunlight.

lThe recommended temperature is 18-35, a low temperature may affect the printing effect, the resin can be properly preheated before use (not more than 35).

lAfter printing the resin, the resin left in the tank of 3D printer should not be mixed and used with the unused resin. It should be stored in another light-proof container.

lFor safety information, please refer to the MSDS of this product. If you encounter any problems during use, please feel free to contact us. 

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