S71 is a PVC resin produced by suspension technology and has unique features combining transparency, resistance and flexibility. It is essential in several industrial sectors, including in the manufacture of healthcare equipment that helps save lives. See its main applications.

Where do we find S71 resin?

At home
S71 resin is used to manufacture cables, wires and hoses.

In the industry
It is a widely used resin by the healthcare industry, to manufacture equipment and hoses that require a high degree of transparency and resistance, essential for certain medical procedures. Furthermore, S71 is also used by other industry sectors to produce flexible containers, as well as flexible hoses and cables.

What are S71 resin properties?

Application methods: extrusion, extrusion-blow moulding and injection.

Chain size 70.4* (k value), high molecular weight and high porosity.

Good thermal stability and dispersion. Suitable for flexible and semiflexible bases.

It can be mixed with other Unipar products.

 *Reference value 


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A Soda Cáustica é produzida na eletrólise e concentrada pelo processo de evaporação.


Cell Room

The ELECTROLYSIS takes place in the cell. This way, electric energy acts on the brine and transforms it into CAUSTIC SODA, CHLORINE AND HYDROGEN.


(3) Tratamento

(4) Filtração

(5) Controle

(3) A SALMOURA é tratada para eliminar impurezas, filtrada (4) e passa sob um rigoroso controle (5) para alimentar as CÉLULAS ELETROLÍTICAS.



Next, prepare the PICKLE obtained from dissolving the salt in the water to use afterwards in the ELECTROLYSIS.