Delivering a broad portfolio of specialty chemical products and raw materials from world-class suppliers to more than 2500 customers is only half the story. At TRiiSO, it's the way we deliver that sets us apart. From the beginning, nearly 50 years ago, our goal has always been to be considered a valued partner and extension of our customers' business. Understanding our customers' business and products. Knowing their chemical needs. Offering the skilled technical and customer service expertise to deliver the perfect solution, time and time again. That's what we call... Delivering Better Chemistry

Product Spotlight: CAPA 4101

Perstorp CAPA 4101 is part of a range of aliphatic polyester polyols that can be used for a wide range of polyurethane applications.  The CAPA range of polycaprolactones are low viscosity, solvent-free polyols that have excellent hydrolysis resistance and excellent mecahnical properties.  CAPA 4101 is tetrafunctional (functionality of 4.0), has an OH value of  218 mg KOH/g (6.8% OHV) and an equivalent weight of 250.
  • CAPA 4101 is a banched aliphatic polyester polyol
  • Reactive Diluent and Resin Modifier
  • Functionality 4.0
    • Improves impact resistance and abrasion resistance
    • Reduces solvent demand
    • Improves chemical resistance


For Success

TRiiSO invests heavily in building chemistry and trusted relationships with each and every customer. From the start, we approach and grow each technical sale into a strong, long-term commercial relationship with the owner(s), chemists, and buyers of every client. As a result, we are often considered an integral part of our customers' team, enabling TRiiSO to deliver greater value and success as a true partner.

We mirror the same dedication to partnering with our suppliers by developing a strategic, long-term relationship built on collaboration, technology and profitable growth. We negotiate with our suppliers in a manner that assures mutual success and sustained growth.

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