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Catalyst Masterbatch PS/2LR Datasheet


Supplied by Solvay Specialty Polymers

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Product Description
Catalyst Masterbatch PS/2LR is a PE based catalyst masterbatch, which accelerates the crosslinking reaction of the pipe product during its curing process that can take place by exposure of the pipe to water or steam at high temperature. Catalyst Masterbatch PS/2LR contains a processing aid and a lower reactive agent which in certain conditions improves processing

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Material Status 
  • Commercial: Active
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • Antioxidant
  • Thermal Aging Resistant
  • Piping
  • Plumbing Parts
  • Potable Water Applications
Processing Method 
  • Extrusion
  • Pipe Extrusion
Nominal Value
Test Method
Apparent (Bulk) Density
ISO 60
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)
g/10 min
ISO 1133
Additional Information
Above values are typical averages

Use and Dosage

Catalyst Masterbatch PS/2LR shall be used together with the silane-crosslinkable POLIDAN® compounds in the ratio of 5 to 95 parts respectively. The two components shall be mixed together before the extrusion or continuously during the process with the use of automatic feeders. Usually there is no need to pre-dry the catalyst masterbatch.


Catalyst Masterbatch PS/2LR and POLIDAN® compounds can be used with good quality PE based colour masterbatches. Solvay Specialty Polymers suggests to pre-dry any colour masterbatches prior to use.


The product shall be stored under the following conditions:
  • Closed and unbroken bags
  • Ambient temperature not exceeding 40°C
  • Indoor in order to avoid direct exposure to sunlight

The product could undergo alterations due to extended period of storage. Solvay Specialty Polymers suggests the product use within 12 months from the production date printed on the packaging. Solvay Specialty Polymers accepts no liability of any kind in case the above mentioned conditions are not fulfilled.


Catalyst Masterbatch PS/2LR is supplied in 25 kg bags placed on pallets.

Technical Service

Catalyst Masterbatch PS/2LR is part of the Solvay Specialty Polymers catalyst masterbatch range and is used together with the POLIDAN® compounds. Solvay Specialty Polymers Technical Service is available to assist customers with further information and advice including the start-up and also for any eventual necessity during the use of the product.
Features may also be described by the following terms: Good Thermal Aging Resistance, Thermal Aging Resistant.
Uses may also be described by the following terms: Piping, Pipe.
Available Documents
Technical Datasheet
Nominal Value
Cylinder Zone 1 Temp.
Cylinder Zone 2 Temp.
Cylinder Zone 3 Temp.
Cylinder Zone 4 Temp.
Cylinder Zone 5 Temp.
Head Temperature
Die Temperature
Extruder Screw L/D Ratio
Extruder Screw Compression Ratio
Extrusion Notes
Typical extrusion temperatures in combination to POLIDAN® crosslinkable grades
1Typical properties: these are not to be construed as specifications.
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The information presented on this datasheet was acquired by UL Prospector from the producer of the material. UL Prospector makes substantial efforts to assure the accuracy of this data. However, UL Prospector assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.