PVC is the third most widely produced synthetic plastic polymer following polyethylene and polypropylene. Due to its price, clarity, chemical and UV resistance, natural barrier properties, and low melting temperature, PVC is a good material for many applications.
PVC is used in a number of end products where the quality of the final compound is essential to overall product integrity, for example, as insulation for electrical cables, building products, and medical tubing. PVC is further segmented into soft (or flexible) and rigid classifications where multiple additives, modifiers and stabilizers are blended with the PVC resin to create the desired rigidity or flexibility.
Rigid PVC is found in construction materials, such as decking, rails and pipefitting. Soft or flexible PVC compounds are blended with plasticizers to achieve a ”rubber‑like” state that is used in products such as electrical wiring and garden hose.
Compounding PVC presents a number of processing challenges, and the application requires significant consideration for temperature sensitivity, fill levels, volume and volatiles.
Efficient temperature control is a primary consideration when selecting compounding equipment for processing PVC because it degrades at higher mixing temperatures. FARREL POMINI Continuous Mixing Technology outperforms competitors at maintaining precise temperature control, resulting in lower temperature mixing and a wide processing window for both Rigid PVC and Flexible PVC. Precise temperature control also provides higher production rates and lower costs due to a reduced need for heat stabilizers.
Farrel Continuous Mixers are designed to address the many challenges of PVC processing including:
Application | CP250 | CP550 | CP1000 | CP2000 | CP2500 | CP4000 | 9UM Line |
|
---|---|---|---|---|---|---|---|---|
Rigid PVC | kg/h T p.a. |
170 - 190 680 - 760 |
350 - 400 1,400 - 1,600 |
600 - 800 2,400 - 3,200 |
1,200 - 1,500 4,800 - 6,000 |
1,200 - 1,500 4,800 - 6,000 |
2,800 - 3,000 11,200 - 12,000 |
5,000 - 5,500 20,000 - 22,000 |
Flexible PVC | kg/h T p.a. |
250 - 300 1,000 - 1,200 |
500 - 700 2,000 - 2,800 |
1,000 - 1,200 4,000 - 4,800 |
2,200 - 2,500 8,000 - 10,000 |
2,500 - 2,700 10,000 - 10,800 |
4,000 - 4,700 16,000 - 18,800 |
7,000 - 7,500 28,000 - 30,000 |
*Based on 4000 hrs per year.
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Farrel Corporation
One Farrel Boulevard
Ansonia, Connecticut 06401-1256
USA