We know how to find the best solution for your specific NEEDS


SIR INDUSTRIALE S.p.A. is an Italian family-owned company that left its mark in the chemical industry for more than 60 years. The wide range of products, the flexibility and the customer-oriented philosophy make us a perfect partner for every customer. In addition, we create optimum value for all customers, shareholders, employees and the community by applying a safe, ethical and environmental practices. Our aim is to find the best solution for the customers through cooperation and passion for continuous improvement.

Being part of P&R Holding, we belong to one of the biggest chemical & pharmaceutical groups of the Italian industry, making us a strong partner driven by innovation and investments. The worldwide turnover of the private owned-group, active in APIs and pharmaceutical industry, is roughly 900 million euro.


Resins are our passion. We are one of the pioneer of the Italian resin industry, proud of our own technology and knowledge acquired through the years. Our product portfolio expands continuously to face the future changes of the challenging market. Thanks to our customer-oriented mentality we can customize all our products according to your needs.

Our main products are different types of resins: EPOSIR®/EPONAC® (epoxy resins), SIRALES® (saturated polyester resins for powder coatings), SIRESTER® (unsaturated polyester resins and vinylesters), PROSID® (hardeners for powder coatings), SIRION® (additives, hardeners and specialties), SIPRESS® /SIRTAN® (styrene-maleic anhydride waterborne copolymers).




  Francesco Pizzocaro is the EY Entrepreneur Of The Year 2021 in the Health & Pharma category Francesco Pizzocaro, the President and Founder of the P&R Group, is the recipient of a prestigious award which [...]

SIR INDUSTRIALE has completed the installation of a brand new pilot reactor (3,0 m³) in Castelseprio plant SIR INDUSTRIALE proudly announces the installation of a brand-new pilot plant in Castelseprio production site, this reactor [...]

 LLOYDS'S REGISTER APPROVAL We are proud to announce that Lloyd's Register has released the renewal of the certificates for our marine grade resins: SIRESTER FSN 0850 AT-series ISN 0841 AT-series VE 45 M 90-series [...]

SIR INDUSTRIALE launches a new epoxy novolac vynilester resin SIR INDUSTRIALE announces the introduction of a new product in its range: SIRESTER® VE 64-M-140. SIRESTER® VE 64-M-140 is an epoxy novolac vinyl [...]



Sir Industriale established the Code of Ethics to define clearly and comprehensively the values which inspire the Company in reaching its goals. Compliance with it is essential for the proper operation, reliability, reputation, and image of the Company, which are fundamental elements for the success and for the current and future development of the businesses operated by the Company.

The Organization and Management Model provides an indispensable guide for all our employees and collaborators, and sets out clear codes of conduct, control schemes and measures to prevent crimes and corrupt practices.


Headquarter (Macherio)
Via Bellini 35
20846 Macherio (MB)
Phone: +39 039 2072 1
Mail: sir@sirindustriale.com

Plant (Castelseprio)
Via Molino Zacchetto 404
21050 Castelseprio (VA)
Phone: +39 033 18 63 608
Mail: sir@sirindustriale.com