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Neoprene / Nitrile Bonded Cork Transformer Grade IS-4253 PART II 1988 - ASTM F104

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Neoprene / Nitrile Bonded Cork Transformer Grade IS-4253 PART II 1988 - ASTM F104

Item Code: Coru353/1120

Availability: In stock

  • Chemical Resistant (Call us to confirm suitability)
  • Oil / Fuel Resistant (Call us to confirm suitability)
  • Highly durable & resilient
  • high resilience, flexibility and compression characteristics
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£11.22 m2 + VAT

Quick Overview

Coru353 is a Nitrile / Neoprene Rubber bonded TRANSFORMER GRADE Cork jointing sheet is a high industrial grade for arduous applications such as transformer, automotive and industrial gaskets. Excellent resistance to transformer oils and fuels coupled with high resilience, flexibility and compression characteristics. 


N.B. Available in plain or self-adhesive backed tape (SAB) alternatives. Bespoke sheets and gaskets are available, as well as customised rubber strips. Email your enquiries to sales@coruba.co.uk.


TRANSFORMER GRADE PER IS-4253 PART II 1988 - ASTM F104



  • General Purpose

  • High Temperature (See Data)

  • Weather / Ozone

  • Low maintenance

  • Product conforms to ASTM F-104-95-F229000

Product Description

PROPERTIES

TEST METHOD

VALUES FPS UNITS

TEST METHOD

VALUES METRIC UNITS

HARDNESS SHORE-A (IRHD)

ASTM D1415

70±5

 

 

TENSILE STRENGTH (MPA)

ASTM F152

2.0 MIN

 

 

ELONGATION AT BREAK

 

Excellent

 

 

COMPRESSIBILITY % @ 2.76 MPA

ASTM F36

25-35%

 

 

RECOVERY % (MIN)

ASTM F36

80

 

 

PERCENTAGE VOLUME CHANGE AFTER IMMERSION

 

 

 

 

ASTM OIL NO. 1 (AT 110 DEG. C. 72 HOURS)

ASTM F146

-5 TO + 10

 

 

ASTM OIL NO. 3 OR IRM 903 (AT 110 DEG. C. 72 HOURS)

ASTM F146

-5 TO + 10

 

 

OIL RESISTANCE

 

EXCELLENT

 

 

ASTM FUEL A (AT AMBIENT TEMPRATURE. 22 HOURS) BS148 TRANSFORMER OIL, 15 DAYS @ 90°C

ASTM F146

0 TO + 10

ASTM F146

+8

 

SEAL ABILITY OF GASKET MATERIA

 

ASTM F37

ZERO LEAK RATE (ML/H)

 

 

FLEXIBILITY WHEN BENT AROUND A 4 X GASKET THICKNESS DIA. MANDREL NO CRACKS THE GASKET MATERIAL SHALL REMAIN FLEXIBLE DOWN TO–15°C

 

ASTM F147

 

 

 

TEMPERATURE RANGE

 

-30 to +110°C

 

 

MATERIAL

 

 

 

 

RUBBER

 

NBR/CR

 

 

GRANULATED CORK

 

0.5 / 1.0 MM

 

 

COLOUR

 

NATURAL

Additional Information

Special Price No
Resistance to Please Call
Insertion Req No
Product Type Anti Slip
Solid Yes
Drainage Holes No
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