Profile: Croylek Ltd is a supplier of electrical insulation materials, mechanical and thermal protection and harness sleeving. We are an ISO 9001:2008 certified company. We have large stock-holdings and are usually capable of delivering stock items next day. We have a comprehensive processing facility including CADCAM machinery that allows us to supply both small and large qualities of converted products. Our PTFE is an extremely stable material which can be used at continuous temperatures up to 260°C.