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Protective Packaging Products

Our offered Product range includes Rubberized Cork Sheet, Plain Cork Sheets and Composition Cork Sheet.

Rubberized Cork Sheet

  • Feature Durable Finish, Pulp Wood, Reasonable Cost

CORK in combination with RUBBER Provides unique properties. By itself Cork is amazing, it is natural, light, imputrescible, impervious to liquids and gases, flexible, resistant, it has great dimensional stability and is a thermal and acoustic insulator. Remarkably when combined with rubber we get properties of the polymer plus the property of true compressibility. This unique combination has a never-ending potential of applications.

Rubberized Cork has major superiorities over other gasket material, which makes it ideal for wide range of other gasket material where application of oil is involved and only choice for flanges, which are not fully flat, or having limited surface area. Other material under pressure crush, distort or extrude. Cork is endowed with a natural property allowing it to recover its initial shape after being compressed. Cork is the only material that can compress without lateral spread, and can recover up to 80% of its original thickness. This property ensures there is a Relaxation stress (outward pressure) on the flanges to maintain the seal.

APPLICATION :

Synthetic Rubber bonded cork sheets have wide application where gas, oil or any other liquid is used at low bolt loads. Thus it has wide application in Transformers & switchgears, Automobiles and General electrical industry. Many applications ranging from gearboxes, inspection covers to water piping gaskets use rubber - cork. In high voltage transformers rubberized cork sheet is used as oil sealants. Even at elevated temperature, Rubberized Cork Sheets have a deformity of less than 0.1% and the physical stability of the products is excellent. They do not swell, have high tensile strengths and are resistance to the temperature as high as 110 degree Celsius. In automobile industry, rubberised cork gaskets are used as a sealant for engine heads, sumps or packing to prevent leakage of oil.

Specifications

Mechanical Properties. GR/GCS - R & B GR/GCS - S & P GR/GCS - I & II
(Moderate oil Resistant) (Good oil Resistant) (Very good oil Resistant)
RC-50 RC-70 RC-80 RC-50B RC-70B RC-80B RC-50C RC-70C RC-80C
Hardness IRDH 50-10 70±10 80±10 50±10 70±10 80±10 50±10 70±10 80±10
Dimensional charge percent Max. 1 5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Tensile Strength 6.63 9.18 12.75 1 7.14 12.75 15.5 12.75 15.5 19.5
Kg/cm2 (KPa*) Min. -650 -900 -1250 -700 -1250 -1550 -1250 -1550 -1900
Compressibility at 45-60 35-50 25-35 45-60 35-50 25-35 35-45 25-35 15-25
28 Kg/cm2 (2800 KPa)
Tpencem45-60 Recovery Percent Min. 80 80 80 80 80 80 80 80 80
Compression Set Percent Max. 80 85 90 80 85 90 80 85 90
Chemical Test on water extracts      
a) PH. where applicable 5.0 to 8.50 5.0 to 8.50 5.0 to 8.50
b) Chloride content(as chloride ion) 0.2 percent Max 0.2 percent Max 0.2 percent Max
c) Sulphate content(as sulphate ion) 0.2 percent Max 0.2 percent Max 0.2 percent Max
Volume change after immersion in ASTM oil No 3 for 70 hours 40 percent Max 25 percent Max 15 percent Max
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Plain Cork Sheets

125 - 235 / 125 Get Latest Price
  • Packaging Type Available In Many Colors
  • Application Industrial
  • Size Standard
  • Feature Double Sided Printing, Durable Finish, Low Dust Content
  • Number Of Flower Flexible
  • Thickness 10-20 Mm

PLAIN CORK is the most versatile form of CORK. It has a incredible potential and is available in whole range of different grades, where granule size, density, binding agent vary. Composition Cork is made of cork granules, which have been, joined together using different synthetic or natural binding agent.

APPLICATION : Gaskets, clutch liners, washers, discs, stoppers, decorative cork sheet, soles for shoes, grinding wheels, cork balls, fishing rod handles, insulating and sound proofing underpayment for runways and expressways, display boards and other gift articles.

 

SR NO

PROPERTY PROTEIN BOND TYPE RESIN BOND TYPE
Grade Grade Grade Grade Grade Grade
P- 27 P- 32 P- 38 R- 27 R- 32 R- 38
1. Density, g/cm, Min 0.27 0.32 0.38 0.27 0.32 0.38
2. Tensile strength, kpa, Min 500 650 800 500 650 800
3. Compressibility at 700 kpa, percent 30/50 25/40 15/30 30/50 25/40 15/30
4. Recovery percent, Min 80 75 65 80 75 65
Gaskets are suitable for (abbreviations)
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Composition Cork Sheet

PLAIN CORK is the most versatile form of CORK. It has a incredible potential and is available in whole range of different grades, where granule size, density, binding agent vary. Composition Cork is made of cork granules, which have been, joined together using different synthetic or natural binding agent.

 

APPLICATION : Gaskets, clutch liners, washers, discs, stoppers, decorative cork sheet, soles for shoes, grinding wheels, cork balls, fishing rod handles, insulating and sound proofing underpayment for runways and expressways, display boards and other gift articles.

Specifications

PROPERTY PROTEIN BOND TYPE RESIN BOND TYPE
Grade Grade Grade Grade Grade Grade
P- 27 P- 32 P- 38 R- 27 R- 32 R- 38
Density, g/cm, Min 0.27 0.32 0.38 0.27 0.32 0.38
Tensile strength, kpa, Min 500 650 800 500 650 800
Compressibility at 700 kpa, percent 30/50 25/40 15/30 30/50 25/40 15/30
Recovery percent, Min 80 75 65 80 75 65
Gaskets are suitable for (abbreviations) General purpose Automotive Ind. Light electrical and general Automotive Ind. General purpose General purpose General purpose
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