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KRAHN Ceramics: “Working with Customers to Open New Applications”

In early 2020, KRAHN Ceramics became independent from KRAHN Chemie, a company in the Otto Krahn Group, setting out as an autonomous division. Besides investing in its Technical Centre in Dinslaken, the company has also installed its first in-house production line for ceramic feedstock. With this step, the company is moving its headquarters to the same location as its affiliate ALBIS and MOCOM – also companies in the Otto Krahn Group – at the Rothen- burgsort industrial estate in Hamburg. The team around Managing Director Dr Stefan Stolz (SS) had stepped up three years previously to channel Krahn Chemie’s over 30 years of know-how in technical ceramics as KRAHN Ceramics. Focus here is on: powders, binders, process additives, compounds and services along the process chain. Today, KRAHN Ceramics is already established as an innovative producer and project partner for CIM, especially for compound development and production.

cfi: You have very quickly invested in the expansion of your development and production capacities for feedstocks. What key needs of the market are you covering with your offer? 

SS: Very diverse needs: these range from those of customers lacking their own inhouse development capacities, the development and optimisation of suitable binder systems (aqueous, solvent-based, catalytically or thermally debinded) to the development of customised compounds. Our advantage is that, as a helping hand for our customers, we can realise this fast and flexibly and correspondingly implement customised solutions in line with individual customer requirements. 

cfi: How do the Technical Centre and production complement each other specifically? 

SS: At our Technical Centre in Dinslaken, we can reproduce the entire process chain from mixing, compounding through shaping to debinding and sintering, and, if required, we can also machine the sintered components (finishing). If requested, we can, for example, adapt the compounds directly to the parameters of the customer’s tools. The new production facility supplements the capacities at our Technical Centre for the realisation of relatively large projects and quantities in the CIM sector. We aim to reproduce the excellence in the process chain, and offer very reliable, high reproducible qualities. Our focus is currently on injection moulding technology. 

cfi: How far do your consulting services go? 

SS: No matter at which point they enter into the process chain, we stand by our customers as a technology and sparring partner for every step. Working together with them, we also open up new applications. Especially for customers who don’t have any experience with ceramics and, on account of the special requirements for processing, don’t necessarily want or are able to take on the production themselves. Besides product development, we also act as an intermediate in arranging the contract manufacturing of ceramic components. 

cfi: From which sectors can you win over customers to ceramics? 

SS: In 2022, we took part for the first time at the world’s leading trade fair for the plastics and rubber industry, that is “K” in Dusseldorf. It was strategically the right route to utilise the environment of our very established affiliates ALBIS (plastics distributor) and MOCOM (plastic compounder) at a shared stand. We want to get ceramic injection moulding out of its niche and we met with great interest because ceramics can complement the injection moulding technology proven in plastics sector in places where high-performance plastics reach their limits in many respects. 

cfi: How do you support customers from this sector? 

SS: As our expertise stretches along the entire ceramic process chain, not only the selection of the suitable compounds is crucial for injection moulding, the upstream and downstream processes are important even though there is less focus on these in plastics processing. In all these steps, for example, in the selection of the suitable injection moulding tools to debinding and sintering of the injection moulded components, we work closely together with the developers. So the range of services we offer is correspondingly wide. For instance, we work as the producer of the ceramic feedstock and as a technology partner for the ceramic components. In addition, we can complement existing processes in the plastics sector, by developing thermoplastics with very high filling levels. Plastic-coated ceramics are also an extension of the application of already-known solutions, with which we can also provide support. 

cfi: Will further steps follow for this market? 

SS: Yes, we want to make ceramics known in the plastics industry. For this reason, we shall strengthen our presence in this market and, this year, we are taking part at FAKUMA in Friedrichshafen, and plan to take part again at “K 2025” in Dusseldorf. 

cfi: Do you also apply this know-how to powder metallurgy? 

SS: We are also active in MIM. Here, we are going even further into the niche market. We see our field in very special applications where new developments are needed, for example, to meet customer-specific requirements for the binder systems. 

cfi: How have you planned the geographic expansion of your business? 

SS: The network of the Otto Krahn Group in over 30 countries worldwide serves as a basis for us here. In China, too, we are present as a group, and also active in CIM. In focus for us is the US-American market in which we already have very good back-up from the group. At the beginning of May, we presented our entire portfolio for the ceramic industry for the first time at Ceramics Expo in Novi, Michigan. 

cfi: Thank you for talking to us