Washington Penn is truly a one-stop shop for many of our customers. In addition to our compounding expertise, we offer an array of PE and PP functional additive masterbatches that are tailored to the needs of our customers. Our commonly used masterbatches include: anti-oxidants, slip agents, UV weathering, TiO2, calcium carbonate and more. Our masterbatches can be designed at various loading levels and combined into one single product. WPP’s functional additives are commonly used in markets such as: packaging, building & construction, and consumer.