Masterbatches

All the types below are available as colour or additive (anti microbal/blowing agent etc) masterbatches. They have a variety of applications including on-line dosing into extruders and also direct addition into the mixer.

Astrobatch – 3mm diameter pellets for on-line dosing. A general purpose range for flexible applications such as cable and hose.

Astromicro – 2mm diameter pellets for on-line dosing. This new Astropol format is most suitable for PVCu extrusions such as window profile, underground and rainwater pipes, electrical ducting etc.

Astroblend – Powder pigments for direct addition to the mixer, offered as post weighed packs or bulk. Post weighed packs can be bespoke weights delivered in low melt EVA sachets.

General Information on Astropol Masterbatches

The PVC carrier system technology used in the Astropol pellet masterbatches is unique.

All the constituents of the formulation are totally PVC compatible yet the Masterbatch still disperses into the base compound in the same way as wax or non-PVC carrier system as used in 'Universal' masterbatches. The benefit of using the Astropol system is that all the common problems encountered using 'Universal' masterbatches are eliminated - hence the Astropol philosophy of PVC into PVC.

Astropol Pellet Masterbatches eliminate the problems often associated with Universal carrier systems such as rapid increase in extruder torque, severe plate out, pinhole blocking in downstream equipment, stick start shudder, and reduced physical properties. Just as important, there is no requirement for extrusion staff to be continually adjusting running conditions.

In window profile applications, any potential problems with adhesion of foil to the profile are eliminated by using the Astrobatch products.

Astropol masterbatches help reduce scrap rates and improve production efficiency.