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MEAF adds physical foaming to extruder test line
Source:Adsale Plastics Network    Editor:JK    Date:14.May.2021

MEAF Machines has added a PROMIX physical foaming installation to its in-house extruder test and demonstration line. As of mid-May, this will allow its customers to get hands-on experience with this material saving equipment while using their own polymer grades in the process.

 

The potential savings from the PROMIX equipment come in addition to the benefits of the MEAF extruders, which are good for energy efficiency and economy.

 

"PROMIX are setting new standards in the production of microcellular foam products with a very homogeneous cell structure and unprecedented process stability, while using eco-friendly CO2 and N2 blowing agents. Depending on the application, density reductions of 5 to more than 30% can be achieved," said Roald de Bruijne, Sales Manager at MEAF.


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MEAF Machines has added a PROMIX physical foaming installation to its in-house extruder test and demonstration line.


For any sheet or film extrusion, the largest contribution to the production costs are by far raw materials, often surpassing 70 % of the total production expenses, usually followed by energy consumption. Therefore, manufacturers are looking to reduce the overall production costs by reducing the raw material expenses.

 

One approach is to increase the amount of recycled material, regrind skeletal waste or bottle-flakes in the case of PET film extrusion, or the utilization of filler components such as CaCO3.


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The micro foam process offers rigidity, insulation and insensitivity to scratch marks, and results in low energy consumption per kg in the industry.


"To reduce the overall raw material costs further, even more needs to be done," explained Roald. "This is where MEAF’s sheet extrusion line in combination with PROMIX physical foaming comes in. Not only will it typically reduce the cost of plastic raw material by 20% compared to conventional packaging, the overall weight reduction of 10 to 30% has further benefits, as some countries use this basis for packaging taxes. In addition packaging can be made 100% recyclable, while also allowing the utilization of recycled raw material, also foamed."

 

The micro foam process offers good rigidity, insulation and insensitivity to scratch marks, and results in low energy consumption per kg in the industry. With the set up processors can work with multiple types of materials in one extruder, such as PP, PS, PET, PE, GPPS and PLA.

 

Both foamed and non-foamed sheets can be produced on the same line, even allowing for multilayer A/B/A sheet, where the A-layer is a solid non-foamed layer, and the B-layer is of a foamed material.

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