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Dental Model Light Grey - HARZ Labs

Ref.: DENT-HL-MOD.LGREY-LCD-1KG

99.17 €

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Approximate delivery date: Friday 31 January - Wednesday 5 February

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The Dental Model Light Grey resin by Harz Labs is a high-precision material designed for printing full and partial dental models, as well as models with removable dies. It offers excellent accuracy with shrinkage of less than 0.5%, ensuring that 3D printed models remain true to the original design. The matte surface finish enhances the visibility of fine details, allowing for precise restorations. The resin's durability, hardness, and long-term stability make it ideal for producing reliable, high-quality dental models that maintain their shape over time. The material is formulated to prevent sedimentation, flocculation, and foam formation, ensuring consistent performance throughout the printing process.

The Dental Model Light Grey resin

Image 1: The Dental Model Light Grey resin. Source: Harz Labs.

An additional key feature of the Dental Model Light Grey Resin is its resistance to high temperatures, making it suitable for use in the thermoforming process of clear aligners. This makes it a valuable material for orthodontic applications where heat resistance is essential. However, it is important to note that encasing models printed with this resin in plaster is not recommended, as it may compromise the integrity of the material.

The Dental Model Light Grey resin produces precise parts with a matte finish

Image 2: The Dental Model Light Grey resin produces precise parts with a matte finish. Source: Harz Labs.

Manufactured using biocompatible raw materials commonly found in photopolymer dental fillings, the resin adheres to ISO 10993 standards for biocompatibility. However, achieving biocompatibility in the final product depends on proper printing and thorough post-processing procedures, necessitating evaluation for each application.

A dental model made with the Dental Model Light Grey resin

Image 3: A dental model made with the Dental Model Light Grey resin. Source: Harz Labs.

The Dental Model Light Grey resin is versatile and user-friendly, suitable even for small laboratory setups due to its low odor and absence of hazardous monomers. Its compatibility with a wide range of LCD/DLP 3D printers, including the Anycubic Photon Mono M3 Max and the Elegoo resin 3D printers from the Mars 4 and Saturn 3/4 series, makes it a practical solution for orthodontic professionals seeking reliable and efficient solutions for printing full and partial dental models as well as models with removable dies.

General information
Manufacturer	Harz Labs
Material	Photopolymer
Format	0.5 kg / 1 kg
Density	(ASTM D1298) 1.05-1.20 g/cm³
Technology	DLP/LCD
Wavelength	-
Viscosity	(ASTM D2393) @ 25 ºC: 600-1200 mPa
Maximum water absorption	(ASTM D570) 24 h: max. 0.47 % %

Printing properties
Layer height	- µm
Layer exposure time	-
Layer off time	-
Bottom layer exposure	-
Bottom layer count	-

Curing and washing properties
Washing time	- min
Curing time	- min
Curing temperature	- ºC

Mechanical properties (uncured / cured)
Izod impact strength	(ASTM D4812) 4.8 ± 1.2 KJ/m²
Charpy impact strength	- KJ/m²
Elongation at break	(ASTM D638) 8 ± 1 %
Tensile strength	(ASTM D638) 75 ± 7 MPa
Tensile modulus	(ASTM D638) 1200 ± 120 MPa
Flexural strength	(ASTM D790) 100 ± 10 MPa
Flexural modulus	(ASTM D790) 2300 ± 200 MPa
Surface hardness	(ASTM D2240) Shore 86 ± 2 D

Thermal properties (uncured / cured)
Softening temperature	(ASTM D648) 82 ± 3 ºC

Other
HS Code	2916.1
Lifetime (since manufacturing)	- M

The recommended printing settings for various resin 3D printers can be consulted on the HARZ Labs support page. To see the settings for specific resins simply choose your 3D printer model and find the resin you want to use.

Once a print is finished, it has to be removed from the manufacturing platform with a special spatula for post-processing. It is crucial not to damage the surface of the platform during this operation.

Part post-processing

Then, the part should be immersed in IPA alcohol or other recommended solvent to remove the non-solidified resin. After that time, pressurized air should be applied to the part until it is completely dry.

To achieve the maximum properties that HARZ Labs resins can provide, it is necessary to post-cure the part in a curing chamber for the recommended time and at the recommended temperature. This process helps eliminate internal stresses.

Since the washing and post-curing parameters will largely depend on the equipment used, Harz Labs has preparad a post-processing table where the recommended parameters for each resin are given.

Safety measures

3D printing with resin requires certain personal protection measures to ensure the workflow is safe for all involved. It is recommended to use gloves and safety glasses, as well as use some kind of air filtering system if the printer is not equipped with one.

Resin storage

Avoid leaving resin in the vat for extended periods. Store the printer and resin bottle in a location away from direct sunlight, luminous or LED lights, and heat sources such as heaters to prevent curing.

To learn more about how to properly store 3D printing resins, read our blog post on the topic. There we discuss topics such as the effect of light, heat and moisture on resins, as well as resin recovery after printing, resin expiration date and how to preserve the biocompatibility of 3D printing resins.