Earlier this 12 months, chemical firm Dow created a flexible liquid silicone rubber materials, known as SILASTIC 3D 3335 LSR, which has a low viscosity and is ideal for functions comparable to 3D printed footwear. The breakthrough materials, with a 50 A Shore hardness, can also be very clear, which is useful when designing and fabricating components for functions that require excessive readability, and was designed for German RepRap‘s Liquid Additive Manufacturing (LAM) 3D printing, developed with Dow Corning.
Now, Dow and German RepRap are collaborating with Nexus Elastomer Programs to permit designers to create not simply clear 3D printed components, however coloured ones as properly, utilizing SILASTIC 3D 3335 LSR and companion coloration packs from Mesgo Iride Colours.
Hans Peter Wolf, the analysis and improvement supervisor at Dow, stated, “The collaborative work with Nexus and German RepRap to align the brand new dosing system with the German RepRap L320 3D printer enabled us to offer designers the choice of printing coloured components – in addition to clear components – from this uniquely useful materials.”
Dow’s SILASTIC LSR has the design and processing benefits supplied by 3D printing, mixed with the efficiency advantages of silicone elastomer supplies, permitting for personalized product creation, small manufacturing trials of complicated components, and elevated velocity for prototype improvement.
With a tensile energy of 9.5 psi, this materials is a two-part (1:1 combine ratio) platinum-catalyzed, thermoset LSR designed particularly for 3D printing use.
“The bottom materials is extremely clear, making it perfect for functions the place readability and transparency are important,” the Dow web site states. “SILASTIC™ 3D 3335 Liquid Silicone Rubber additionally could also be printed in a variety of ordinary colours by way of using suitable coloration packs and precision dosing gear.”
Utilizing Dow’s LSR materials, and a dosing system by Nexus, designers and end-users can now 3D print silicone rubber components in a variety of colours, with properties which are akin to these of LSR components created with injection molding, at a quicker price of velocity to market.
The collaboration has additionally linked the Nexus coloration dosing system with the steady L320 LAM 3D printer, which German RepRap launched this summer time.
Each three years, the world’s premier convention for the plastics and rubber business – the Ok Commerce Honest – is held in Düsseldorf, Germany. This month, Dow shall be attending the occasion, which runs from October 16-23, and holding every day demonstrations of its 3D printable SILASTIC 3D 3335 LSR materials on the German RepRap L320 3D printer.
You possibly can see the method for your self, together with over 140 displayed prototypes, at Dow’s Sales space Ok48 in Corridor 8A. It’s all a part of the corporate’s inclusive new model platform, Search Collectively.
“We can have an in depth group of Dow specialists prepared and ready to start out a dialogue with guests about turning into extra round. Over 100 of our prototypes shall be on show to encourage discussions and illustrate what’s available at the moment, and doable tomorrow,” stated Dow’s Frank Neve, enterprise communications chief Packaging & Specialty Plastics EMEA. “It’s our intention to discover new alternatives and hold the dialog going as a result of we’re satisfied the circle can – and shall be – closed. It’s only a matter of time and collaboration.”
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