S58 is a highly versatile PVC resin, produced by suspension technology and suitable for all rigid applications that require easy-to-transform products. Apart from being widely used in civil construction, it is also found in many other products and sectors that have a direct impact on our quality of life. See some of these uses below.

Where do we find S58 resin?

At home
It is used to manufacture items such as drains, drain drawers, baseboards and wires. It is also found in rigid laminates, floors and surfaces with an opaque or clear finish. 

In the pharmacy and supermarket
Due to its excellent resistance and malleability, the material is widely used to manufacture laminates for opaque and clear drug blisters, packages and bottles. 

In the industry
It’s an excellent option for the production of rigid connections for civil construction, as well as for high-resistant tubes and packages.

E58 resin properties

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

Chain size 57* (k value), low molecular weight and low porosity.

Good thermal stability, initial color and low tendency to form non-gelified stains.

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.