Attwater & Sons Ltd +44 (0)1772 258245 Email: [email protected] www.attwater.oom Date Generated: 07.09.17 B11 Product Data Sheet Material Details Grade: B11. (Type: Fabric Based Laminates - SRBF) Description: Phenolic Cotton. Fine Weave SRBF Comments: A cost effective Cotton Phenolic laminate made from fine weave cotton fabric, with good electrical and mechanical properties. Can be machined to a good finish. Similar to Bakelaque B10 but slightly coarser weave. Specifications: BSEN60893-3-4-PFCC203 The closest NEMA equivalent to this specification is NEMA L. Body Colour: Sandy Brown Cover Colour: Sandy Brown Standard Finish: Satin/Glossy Size: 1220 x 1220 Thickness Range: 0.8 - 150.0 f Typical Applications • Cryogenic Resistance Components • Bolts and Screws • Ball Race Cages • Wear Resistant Components • Rotor Blades (compressor) • Punched Components • Piston Rings • Low Voltage Insulation • Jigs and Fixtures • Insulating Bushes Spacers Sleeves • Gears - Medium Tooth General Properties f The test method is used solely to control and monitor consistency of production. Under no conditions should the results be considered in relation to fire hazards under actual conditions of use. Electrical Properties

Typical Value Electric Strength (Flat Rapid) MV/m 4 Breakdown Voltage (Edge Step by Step) kV 32 Mechanical Properties Property Unit of measure Typical Value Impact (Notched CHARPY) kJ/m2 9 Thermal Properties Property Unit of measure Typical Value Thermal Rating Continuous °C 115 Thermal Rating Intermittent °C 125 Notes • Datasheet Issue No. 1 Disclaimer: The above values are based upon routine test data and do not form the basis of a supply contract. These products may be used in a diverse range of applications and whilst every effort is made to ensure the...