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KeyMask resin

Ref.: KPRINT-KEYMASK-500

187.20 €

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Approximate delivery date: Monday 4 November - Wednesday 6 November

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Accurate, realistic and characterized by low shrinkage - these are the key features of the KeyMask resin for the 3D printing of flexible yet firm (41 % elongation at break) gingival masks. The KeyMask resin is manufactured by KeyStone Industries as part of the KeyPrint line of precision 3D printing resins for the dental industry.

Gingival masks 3D printed with the KeyMask resin

Image 1: Gingival masks 3D printed with the KeyMask resin. Source: KeyPrint.

The gingival masks made with the KeyMask resin simulate the look and feel of gum tissue, and can be trimmed to create a proper emergence profile or sculpted for adequate pontic shape. The KeyMask resin is perfect for digital restoration planning.

The KeyMask resin simulates the look and feel of real gum tissue

Image 2: The KeyMask resin simulates the look and feel of real gum tissue. Source: KeyPrint.

One of the most outstanding features of the KeyMask resin is its versatility. Just like all KeyPrint resins, it can be 3D printed on any open architecture resin 3D printer listed in the Compatibility document in the Downloads section. The list includes dozens of printers from the leading manufacturers, for example the Phrozen Sonic XL 4K printer by Phrozen.

The KeyPrint dental resins give the user a lot of freedom in terms of equipment choice and helps obtain reliable results with a simple post processing routine. In the case of the KeyMask resin, the outcome are highly accurate, flexible and adjustable gingival masks that not only fulfill their function but also look and feel like real gum tissue. This allows dental labs to deliver dental solutions of the highest functional and visual quality.

General information
Manufacturer	KeyStone Industries
Material	Photopolymer
Format	0.5 kg
Technology	DLP/LCD
Wavelength	UV 385-405 nm

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

Curing and washing properties
Washing time	15-30 s / 2-3 min
Curing time	- min

Mechanical properties (uncured / cured)
Izod impact strength	- KJ/m²
Charpy impact strength	- KJ/m²
Elongation at break	(ASTM D638) 41 %
Tensile strength	(ASTM D638) 2 MPa
Tensile modulus	(ASTM D638) 4.6 MPa
Flexural strength	- MPa
Flexural modulus	- MPa
Surface hardness	-

Thermal properties (uncured / cured)
Softening temperature	- ºC

Other
HS Code	2916.1
Lifetime (since manufacturing)	36 M

Parts 3D printed with the KeyMask resin require post-processing. The parts should be washed twice in a clean IPA alcohol (>97% purity) bath for 30 seconds each time, and once washed, the parts should be dried with compressed air. The washing process is shown in video 1.

Video 1: How to wash parts 3D printed with the KeyMask resin. Source: KeyPrint.

Any residual resin (shiny and highly noticeable) should be removed completely by repeating the bath and drying process as many times as necessary. Nevertheless, it should be kept in mind that the total IPA alcohol exposure should not exceed 5 minutes as the parts may start to degrade. For curing, the recommended parameters depend on the used curing machine and can be consulted on the manufacturer’s website. The cure part can be additionally polished according to the tips provided by the manufacturer in this video.

The KeyMask resin should always be stored in a cool, dry place (15-30 °C) and away from light, as it may cause curing of the resin and failed prints. Before using the resin, the user should thoroughly study the product instructions and safety datasheet available in the Downloads section. Proper personal protective equipment should be worn at all times when handling the KeyMask resin and uncured printed parts to avoid burns and other injuries. Protective gloves and garments as well as face protection should be used.