CB-SRS series fiberglass tubing CB-SRS series tubing is flexible, flame-retardant, halogen-free and is coated with silicone rubber under high temperature. It has good electrical insulation properties and is widely used in many consumer appliances, lighting fixtures, stoves, oven and furnace controls, relays, breaker panels, switchgear and other commercial and industrial equipment. Remarks: CB-SRS1 is Silicone rubber fiberglass ( fiber inside and rubber outside) CB-SRS2 is Silicone rubber fiberglass ( rubber inside and fiber outside) Specifications: Products No. Dielectric grade Min. Ave. breakdown Min. Individual Operation temperature SRS1 A 7000V 5000V -10 ~ 200 SRS2 A 7000V 6000V -10 ~ 200 SIZE: SRS SERIES are available in size 1.0mm though 12mm.