Buy Biothane from the UK's official distributor. Matt finish with a thickness of 1.02mm. Break strength of 181kg (break strength value is per 25mm width). Granite Ultra-Thin is typically used in the emergency service and healthcare applications. International shipping available. The manufacturer of BioThane states that 2 breaks / splices per roll is acceptable for delivery. Therefore, if you require an unbroken roll, please let us know. Each roll measures 30m.