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Masterbatch lines

Masterbatch lines

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MASTERBATCH
TESTA DI ESTRUSIONE SPAGHETTI - MASTERBATCH
VASCA STRANDS SPAGHETTI - MASTERBATCH
MASTERBATCH

Optimized for the strict quality requirements of masterbatch producers, these lines are fitted with the most advanced solutions coming from 40 years of real experience in this field.

A high shear-rate and an extremely performing screw geometry enable to achieve high pigment concentrations in different polymer carriers with optimal dispersions.

A compenetration ratio of the screws up to ≅ 1.65 conjugates excellent quality with excellent production capacity.

Self-cleaning screw profiles avoid prolonged production stops. Strand extrusion die heads are typically used on color/additive masterbatch and on compounding lines for some applications (e.g. glass fiber compounds). Screen changer and extrusion head are designed for quick opening and fast colour change. A control panel and automatic devices allow operators to manage production with minimum effort.

MAIN CHARACTERISTIC

  • dosage
  • cooling tank
  • drying tunnel
  • pelletizer

Datasheet

COMAC'S EXTRUDERS "EBC" - STANDARD/HIGH VOLUME
MODEL EBC 40 EBC 50 EBC 60 EBC 70 EBC 90 EBC108 EBC 120 EBC 135
Nominal diameter (mm) / High volume ( mm ) 42/43 53/55 62/64 70/72 92/94 108/112 120/123 132/135
Screw number of lobes 2 2 2 2 2 2 2 2
Screw center-to-center (mm) 35 44,6 52 58 76 90 100 110
Screw speed (rpm) other values on request 600 - 1200 600 - 1200 600 - 1200 300 - 1200 150 - 900 150 - 900 150 - 600 150 - 600
Torque on each screw (Nm)  HT (High Torque) 472 976 1547 2146 4829 8020 11000 14600
 XT (Extra Torque) 643 1331 2109 2927 6585 11000 15000 19900
L/D ratio (std. range) 24 - 52 24 - 52 24 - 52 24 - 52 24 - 52 24 - 52 24 - 52 24 - 52
Indicative output (kg/h) 100 - 250 200 - 500 300 - 750 500 - 1400 1000 - 2200 1100 - 3000 1200 - 4000 1700 - 6000
NOTE:
L/D - typically, barrels are built-up by independently thermoregulated modules having 4-diameter length each;
Output -the ranges here above want to give an idea on limits considering a variety of cases, but, figures can only be very indicative; actually achievable values strongly depend on raw material formulations, target products and relevant desired characteristics, as well as speed and process conditions.

Technical drawing

Technical drawing
  1. Dosing unit
  2. Dosing unit (optional)
  3. Additives
  4. Twin screw extruder
  5. Vacuum degassing unit
  6. Screen changer integrated with extrusion head
  7. Cooling tank
  8. Drying tunnel
  9. Pelletizer


Products
  • MAIN CHARACTERISTIC
  • Datasheet
  • Technical drawing
  • MAIN CHARACTERISTICS
  • Datasheet
  • Technical drawing
  • Datasheet
  • BIO PLASTIC
  • Plant for production of synthetic grass
  • LONG GLASS FIBER REINFORCED SHEET EXTRUSION (LFT)
  • PET WASTE REPROCESSING
  • HOT MELT
Services
  • elenco servizi
Contacts
Comac

Address: Via per Legnano 57 - 20023 Cerro Maggiore - MI - Italy

Phone: +39 0331 577387

E-mail: info@comacplast.com

Comac

20023 Cerro Maggiore (Mi) - via per Legnano 57 - Italy - Partita IVA 09986760156 - tel: +39 0331577387

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