MTR Hot Runner Nozzles
For Thin-Wall and Thick-Wall Applications
The Italian hot runner specialist HRSflow, San Polo di Piave, offers in its Multitech line – in which HRSflow has expanded hot runner solutions for multi-cavity molds – new hot runner nozzles of the MTR range, designed for both thin-wall and thick-wall injection molding processes.
In the multicavity sector, HRSflow Multitech offers hot runner solutions for injection molds designed for large-scale production of packaging, caps and closures, articles for medical technology, electrical and electronics, and the automotive industry. The focus here is on high cavity numbers, short cycle times, homogeneous balancing, and rapid color changes. The new MTR hot runner nozzle is available in three specifications: MTR-T, MTR-M and MTR-S. Their common distinguishing factor is the high resistance of the nozzle tip to wear and tear:
- MTR-T nozzle is specifically designed for the injection molding of large containers with wall thicknesses as from 0.45 mm and a flow length to wall thickness ratio up to 350. Injection pressures up to 2,200 bar and high melt throughputs up to 180 g/s can be attained. With its high process stability, this hot runner nozzle is also suitable for decorative injection molding using the IML process (In-mold labeling).
- MTR-M nozzle offers advantages in the injection molding of polyesters to produce thick-walled parts with a high-gloss finish. When used for cosmetic packaging, household articles or in medical technology, wall thicknesses of 20 mm and more can be produced without problem.
- MTR-S type has also been developed for thick-walled parts with a wall thickness of up to 20 mm, but is geared specifically to the injection molding of Surlyn, a crystal-clear ionomer from DuPont.
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