Pacast AG was founded in 1987 by Rudolf Cvacho and Roger Bruhin and took over all the monomer casting activities of EMS Chemie AG and the production of their own Co-Catalysts and Masterbatches. Our technical manager R. Cvacho studied chemistry in Bratislava and learned all about monomer casting from the inventors of monomer casting. He worked with EMS Chemie AG in Domat/Ems during about 20 years where he was responsible for the monomer casting and the training of the monomer-customers. Our sister-company PACAST Handels-AG deals with chemical products.

About

What we offer…

Your experienced specialist for cast nylon We are your consultant for all questions and products for the process of cast nylon (monomer casting) for the production of PA6, PA12 und Co-Polymers PA6/12. Leading producers of cast nylon in the whole world are working with our products for many years and are confident in our products and expertise. They trust in our consulting and our considerable know-how. We have a wide range of co-catalysts, colorant masterbatches and additives for all needs of monomer casting. We hold customer-specific trainings where the necessary basic and enhanced knowledge can be learned for getting better products. We have the full assortment of products for monomer casting.

Welcome to PACAST AG

Colouring - Masterbatches

Our masterbatches are reactive colorants which will be fully integrated in the cast nylon macromolecules by polymerisation. For the production of these masterbatches we use absolutely homogenizeable colorants and additives free of cadmium and heavy metals. This allows for an optimal distribution in the final product, even colouring and no “bleeding-out” of the colour pigments from the final product. After addition of the masterbatch into the melted caprolactam there is no risk of sedimentation even after hours of storage. All colorants will be delivered in solid state with a melting point of ~70°C. Because of this low melting point, it gets easy dissolved in the caprolactam.

Additives

PC-Co-Catalyst A Our co-catalyst A is recommended for casting parts from 20 kg up to 1'000 kg. Through a delay of the polymerization time (60 – 70 Min) the pot life is ~10-15 min. This allows the air trapped in the melt during the pouring process to escape and guarantees a homogenous and bubble free final product. With this system some of our customers pour parts of several 100 kg and up to two tons final weight. The co-catalyst A (activator) can be combined with most of the usual catalysts. We will supply you with a catalyst to suit your needs. PC-Co-Catalyst S The co-Catalyst S acts as a cross-linking agent of the cast nylon matrix. The result is increased impact strength, dimensional stability and an increased crystallinity and therefore also higher pressure stability of the final product. The cast nylon material polymerized with co-Catalyst S needs no or only short annealing. The best temperature for the solubility of the co-catalyst S in caprolactam is between 135 und 138°C and after dissolving of the co-catalyst S the temperature can be reduced to 125°C. The polymerization time is between 20 and 30 minutes depending on the concentration of the co-catalyst S. PC-Co-Catalyst B Our co-catalyst B is a liquid form of activator. This allows to use a one-pot production method, meaning both catalyst and co-catalyst are added to only one monomer melting vessel. This co-catalyst is used for casting quantities between one and ten kilogram parts. Co-catalyst B can be combined with all usual catalysts. You will need to anneal the final product for several hours.

Consulting / Training

Monomercast-Training : (5 days) If you would like to get all the necessary knowledge about the process of monomer casting and to ask all about your problems then come to us. Here you will get your answers and help. Our training enables you to get a trouble free production with as little scrap as possible. Our trainings are individual and according to the knowledge and requirements of the participants. Developers, process engineers, shop-floor workers and production managers have all received invaluable pointers on how to improve their approach and best serve their customers. We have educated most of the leading cast nylon-producers. Please ask for our training- program.

Laurinlactam / Monomers

To increase the flexibility of cast nylon we have developed a system for the production of cast-co-polyamide nylon 6/12. The necessary raw material monomer Laurinlactam 12 will be distributed by our company. The same monomer is also be used for the production of cast nylon 12.

Monomercastoil

We have developed a special cast nylon-oil which can be mixed with caprolactam. The addition is very simple. The oil can be added in both parts of the melt without preheating. The result for the final product is that the lubrication effect will be greatly increased and the abrasion will be reduced. This compares in performance to the so-called Oilon products. However, the PC-Monomercast- Oil is clear and the colour of the final product can be adjusted with our masterbatch colorants as desired in the one-step production from monomer directly to the final product.

PACAST AG

PACAST AG +41 81 533 15 15 Ragazerstrasse 25 CH-7320 Sargans Switerzland

Pacast AG was founded in 1987 by Rudolf Cvacho and Roger Bruhin and took over all the monomer casting activities of EMS Chemie AG and the production of their own Co-Catalysts and Masterbatches. Our technical manager R. Cvacho studied chemistry in Bratislava and learned all about monomer casting from the inventors of monomer casting. He worked with EMS Chemie AG in Domat/Ems during about 20 years where he was responsible for the monomer casting and the training of the monomer-customers. Our sister-company PACAST Handels-AG deals with chemical products.

About

What we offer…

Your experienced specialist for cast nylon We are your consultant for all questions and products for the process of cast nylon (monomer casting) for the production of PA6, PA12 und Co-Polymers PA6/12. Leading producers of cast nylon in the whole world are working with our products for many years and are confident in our products and expertise. They trust in our consulting and our considerable know-how. We have a wide range of co-catalysts, colorant masterbatches and additives for all needs of monomer casting. We hold customer-specific trainings where the necessary basic and enhanced knowledge can be learned for getting better products. We have the full assortment of products for monomer casting.

Welcome to PACAST AG

Colouring - Masterbatches

Our masterbatches are reactive colorants which will be fully integrated in the cast nylon macromolecules by polymerisation. For the production of these masterbatches we use absolutely homogenizeable colorants and additives free of cadmium and heavy metals. This allows for an optimal distribution in the final product, even colouring and no “bleeding-out” of the colour pigments from the final product. After addition of the masterbatch into the melted caprolactam there is no risk of sedimentation even after hours of storage. All colorants will be delivered in solid state with a melting point of ~70°C. Because of this low melting point, it gets easy dissolved in the caprolactam.

Additives

PC-Co-Catalyst A Our co-catalyst A is recommended for casting parts from 20 kg up to 1'000 kg. Through a delay of the polymerization time (60 – 70 Min) the pot life is ~10-15 min. This allows the air trapped in the melt during the pouring process to escape and guarantees a homogenous and bubble free final product. With this system some of our customers pour parts of several 100 kg and up to two tons final weight. The co-catalyst A (activator) can be combined with most of the usual catalysts. We will supply you with a catalyst to suit your needs. PC-Co-Catalyst S The co-Catalyst S acts as a cross-linking agent of the cast nylon matrix. The result is increased impact strength, dimensional stability and an increased crystallinity and therefore also higher pressure stability of the final product. The cast nylon material polymerized with co-Catalyst S needs no or only short annealing. The best temperature for the solubility of the co-catalyst S in caprolactam is between 135 und 138°C and after dissolving of the co-catalyst S the temperature can be reduced to 125°C. The polymerization time is between 20 and 30 minutes depending on the concentration of the co-catalyst S. PC-Co-Catalyst B Our co-catalyst B is a liquid form of activator. This allows to use a one-pot production method, meaning both catalyst and co-catalyst are added to only one monomer melting vessel. This co-catalyst is used for casting quantities between one and ten kilogram parts. Co-catalyst B can be combined with all usual catalysts. You will need to anneal the final product for several hours.

Consulting / Training

Monomercast-Training : (5 days) If you would like to get all the necessary knowledge about the process of monomer casting and to ask all about your problems then come to us. Here you will get your answers and help. Our training enables you to get a trouble free production with as little scrap as possible. Our trainings are individual and according to the knowledge and requirements of the participants. Developers, process engineers, shop-floor workers and production managers have all received invaluable pointers on how to improve their approach and best serve their customers. We have educated most of the leading cast nylon-producers. Please ask for our training- program.

Laurinlactam / Monomers

To increase the flexibility of cast nylon we have developed a system for the production of cast-co-polyamide nylon 6/12. The necessary raw material monomer Laurinlactam 12 will be distributed by our company. The same monomer is also be used for the production of cast nylon 12.

Monomercastoil

We have developed a special cast nylon-oil which can be mixed with caprolactam. The addition is very simple. The oil can be added in both parts of the melt without preheating. The result for the final product is that the lubrication effect will be greatly increased and the abrasion will be reduced. This compares in performance to the so-called Oilon products. However, the PC-Monomercast- Oil is clear and the colour of the final product can be adjusted with our masterbatch colorants as desired in the one-step production from monomer directly to the final product.
PACAST AG +41 81 533 15 15 Ragazerstrasse 25 CH-7320 Sargans Switerzland

PACAST AG