O Ring specialists with many years experience in the industry and worldwide contacts.Main stock materials include; complete regular AS/BS range and an increasing range of BS 4518 metrics in Viton 90. Also most of the BS 1806 range of sizes in blue fluorosilicone 70 We are also increasing our imperial stock range in White Silicone 70. Other materials/sizes can usually be obtained within 4/5 weeks maximum. Such materials include Fluorosilicone 50 and 60, Viton 50/60 and 75 and Aflas. We will be pleased to stock any of these materials after an initial order.