Evonik has developed two photopolymers for industrial 3D printing applications and introduces them under the brand names INFINAM TI 3100 L and INFINAM ST 6100 L. The two ready-to-use materials were conceptualised and invented in Evonik’s research hub in Singapore. They mark the start of a new product line of polymer resins suitable for use in common VAT polymerisation technologies such as SLA or DLP.
“With the new product line, we are entering the market-relevant photopolymer technology stream, strengthening our long-term market position as materials experts for all major polymer-based 3D printing technologies,” says Dr. Dominic Störkle, head of the Additive Manufacturing Innovation Growth Field at Evonik. “With the new ready-to-use formulations, we are also continuing our materials campaign and driving industrial-scale 3D printing as manufacturing technology along the entire value chain.”
Starting signal for a new photopolymer product line
The first high-performance material from Evonik’s photopolymer product family leads to high toughness and impact-resistant 3D parts. The combination of properties makes INFINAM TI 3100 L the new standard for additive manufacturing of industrial components using VAT polymerisation technologies such as SLA and DLP. The impact resistance measured on printed components is 30 J/m3 with a high elongation at break of 120 percent. The new material can therefore withstand strong impact or permanent mechanical effects such as pressing or impact. The range of possible applications extends from industrial to automotive parts and individual applications in the consumer goods sector, which, in addition to design-free forms, require strong mechanical loads in object use.
The second formulation is setting-up a new benchmark in high strength photo-resin category with a combined tensile strength of 89 MPa, flexural stress of 145 MPa and HDT of 120 deg C, which fills the material gap in ultra-high strength photopolymers. These special material properties make INFINAM ST 6100 L the material of choice for applications which need high temperature resistance combined with high mechanical strength.
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