Risers & Sleeves

ASK Chemicals provides the foundry industry with the highest quality and variety of sleeves & risers available. EXACTCAST, our fiber-free feeding solutions, are based on patented technology, employing a refractory base bonded with ASK Chemicals Cold Box or silicate binders. This design offers several advantages: excellent dimensional accuracy, high strength, low gas evolution and uniform chemical composition. ASK Chemicals also offers an extensive array of highly affordable fiber-based sleeves under the trade name, STA-HOT (currently not available in Europe). Both varieties come with ASK’s superior services and are available globally.