Vinyl Compounds

PREVINIL- Empresa Preparadora de Compostos Vinílicos, S.A., with head office in Alverca, was founded in 1969 with the aim to produce and sell PVC compounds for packaging. At a later stage PREVINIL expanded and diversified its activity with the production of compounds for general purpose applications, providing tailor made products and services to each of its clients, meeting their expectations and closely following the development of new applications. Within this context, the company always reasserts itself as a privileged partner of its customers, contributing to the creation of added value in this line of business and for the growth of PVC based applications


Ensure business furtherance of the respective industrial sector by observing the principles of social responsibility and sustainable development, and also by meeting expectations of stakeholders (shareholders, employees and customers…).


Keep a leading position in the production and marketing of rigid PVC compounds in Portugal and an acknowledged and sizeable presence in the flexible compounds market, acting as a driving force in the growth of the domestic market and contributing for the success of customers, working together with its sister Spanish company – CYGSA.

About us

PREVINIL, together with CYGSA, in Spain, are part of the only PVC producer in Portugal, the company CIRES, which is part of the Shin Etsu group, the largest PVC manufacturer in the world.

Customers are our primary concern
• To ensure the satisfaction of shareholders by keeping an effective management
• Provide customers oriented consistent and appropriate products and services
• Motivation, involvement and personal development of employees
• Keep beneficial relationships with suppliers
• Establish and regularly review targets to ensure compliance with quality policy
• Ensure continuous improvement of the results of our activities and processes
• Environmental protection and pollution prevention
• Promote safety and occupation health at working place

  • Profissionalism

    Systematically act with honesty and thoroughness.

  • Credibility

    Adopt environmental, safety and quality standards and social responsibility.

  • Ethics

    Adopt a loyal, upright and honest behavior, and be transparent in the processes and in the organization.


PVC Compounds

Rigid Crystal applications

– Extrusion –
*Profiles for lable holders
*co-extruded profiles

– Blow-molding extrusion –
*Food applications
*Cosmetics and detergents

General purpose applications

– Extrusion –
*Pressure and non-pressure pipe
*Rigid spirals for flexible hoses
*Electrical conduits
*Wood Plastic Composites
*Egde-banding for furniture
*Shutters /Roller shutter box
*General purpose rigid profiles

– Injection –
*pressure and non-pressure fittings
*Electrical parts

Flexible PVC Compounds

– Extrusion –
*Cables insulation and sheating
*Wire coating
*Flexible hoses
*Stretch and Shrink Film

– Injection –
*Joints for car glass encapsulation
*Soles for footwear

Contact us

Pessoa colectiva nº 500 222 223 - Registada na C.R.C. de V. Franca de Xira sob. o nº 833 - Capital Social €1.700.000