SYNTHETIC RESIN BONDED PAPER SHEET(SRBP)
COLOUR; AVAILABLE IN BROWN AND BLACK
ITEM WEIGHT; AVERAGE 400 GRAMS
general purpose paper based phenolic sheet,tufnol IP/13 equivalent
the following information is copied from the manufacturers data sheet for this material,for further information please visit www.attwater.com
GRADE B4. (Type: Paper Based Laminates - SRBP).
Description: Phenolic Paper. Superior commercial grade
Comments: A high quality commercial grade for normal temperature and low-tension electrical applications
such as flash barriers, secondary insulation in switchgear, jigs, fixtures and mechanical
components. May be hot punched.
Specifications: BSEN60893-3-4-PFCP201. (Which supersedes BS2572 P1).The closest NEMA equivalent to this
specification is X.
General properties
Property: Unit of measure: Typical Value:
Density g/cm3 1.35
Water Absorption - 155
Flammability Category† - FH1
† 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
Property: Unit of measure: Typical Value:
IR (24hrs Water Immersed) G Ω 0.025
Electric Strength (Flat Rapid) MV/m 4
Electric Strength (Flat Step by Step) MV/m 2
Breakdown Voltage (Edge Step by Step) kV 14.5
Tracking Index V 110
Mechanical properties
Property: Unit of measure: Typical Value:
Flexural Strength MPa 178
Tensile Strength MPa 120
Impact (Notched CHARPY) kJ/m2 4.5
Thermal properties
Property: Unit of measure: Typical Value:
Thermal Rating Continuous °C 100
Thermal Rating Intermittent °C 120
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