Osperse

Speciality Powder Additives

The Osperse range from Oscrete represents a portfolio of high-performance powdered speciality polymers designed to enhance the performance of dry silo mortars, dry bagged products, and site-mixed materials. Incorporating technologies such as air entrainers, retarders, and accelerators, Osperse products offer manufacturers and formulators the flexibility to fine-tune mix characteristics for a wide range of construction applications.

Stocked at our dedicated facility in Bradford, UK, Osperse additives are developed to complement the internationally recognised brands distributed by Oscrete across the UK and Ireland offering customers a complete solution for dry mix formulation, backed by technical expertise and responsive service.

Engineered for Dry Mix Excellence

Osperse Supporting Image

Dry mortar and bagged product manufacturing requires precise control over setting time, workability, and durability. The Osperse range is formulated to deliver targeted performance benefits, including:

  • Air entrainment for improved freeze-thaw resistance and workability
  • Set retardation to extend open time and improve handling in warmer conditions
  • Set acceleration for faster strength development and reduced curing time
  • Improved cohesion and flow for smoother application and reduced segregation
  • Enhanced durability and long-term performance in demanding environments

Applications

Osperse products are ideal for use in:

  • Dry silo mortar systems
  • Dry bagged mortars and tile adhesives
  • Ready-to-use repair compounds
  • Renders and plasters
  • Grouts and levelling compounds
  • Site-mixed mortars requiring enhanced performance

Whether you’re formulating for high-volume production or bespoke applications, Osperse provides the flexibility and reliability needed to meet modern construction demands.

A One-Stop Shop for Additives

Oscrete has built a reputation for innovation, experience, and first-class partnering across the dry mix mortar industry. In addition to our in-house Osperse range, we are proud to be the UK and Ireland distribution partner for several leading international brands, including:

  • Elotex
  • Stikloporas
  • Unger Surfactants

This combined offering allows us to deliver a “one-stop shop” for dry mix manufacturers, with access to both globally trusted materials and locally produced solutions.

Find the Right Product with Our Selector Tool

Not sure which Osperse additive suits your formulation? Our Product Selector Tool makes it easy to identify the most appropriate solution based on your performance goals, mix type, and application. It’s a fast and convenient way to match your needs with the right product from our extensive range.