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Valsad, Gujarat, India
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Corkboard For Thermic, Vibratic




















The insulation of interior partition walls with insulation Corkboard will drastically reduce airborne noise propagation, creating a pleasant environment. You'll even stop hearing your neighbour's TV set.

Vibration Control with Insulation Corkboard :

All running machinery of a certain size will generate vibrations that will transmit down to the floor. Such machinery should always be mounted on bearing pads and isolated from the other structural elements. Boards of high density insulation Corkboard will give excellent results in this type of isolation. Vibration related cracks will be a thing of the past.

Regranulated Cork :

When applied loose, as a filling material in wall interiors mixed with concrete (lightweight concrete) or as a soil levelling material, Regranulated Cork can be put to many uses in the construction industry.

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Rubberised Cork Sheet

  • Tensile Strength Kg/Cm2 (KPa*) Min. 6.63 (650), 9.18 (900), 12.75 (1250), 7.14 (700)
The buoyance of natural cork is used to good effect in petrol and oil level gauges, but the most important application of cork in the automotive industries is in cork-and-rubber gaskets. Today, these are as essential as petrol or diesel fuel to the car and truck industries. The material used combine the compressibility and resilience of cork with the high mechanical strength and dimensional stability of rubber, making them the best substances of such automotive applications as oil pan gaskets, valve cover gaskets and timing gear cover gaskets.
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Rubberized Cork Sheets

  • Dimensional change percent max. 1.5
Another important application of cork-and-rubber is as a seal to retain lubricants in crank shaft bearings when pressure is applied, the air within cork cells is compressed, thus exerting a reverse pressure on the restraining faces. This is termed 'fight back' and is a primary requirement in all good gasket materials. Cork-and-rubber can be cut easily, and because it is strong and flexible, it can be used for making gaskets with narrow flanges. A wide variety of formulations used for making gaskets with narrow flanges. A wide variety of formulations using different types of rubber like Natural Rubber, Synthetic Rubber, Nitrile, Neoprene, EPDM Silicone and sizes of cork granuals are available to meet the industry's various requirements.Special cork-and-rubber have been developed to prevent leakage of the very searching cooling fluids used in modern electrical transformer, similar material are also widely used in switch gear circuit breakers, lightning arresters, and other transmission equipment, as well as in conduit fittings, gear cases and cover plates in washing machines.
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Cork Gaskets

The buoyance of natural cork is used to good effect in petrol and oil level gauges, but the most important application of cork in the automotive industries is in cork-and-rubber gaskets. Today, these are as essential as petrol or diesel fuel to the car and truck industries. The material used combine the compressibility and resilience of cork with the high mechanical strength and dimensional stability of rubber, making them the best substances of such automotive applications as oil pan gaskets, valve cover gaskets and timing gear cover gaskets.
View Complete Details

Rubber Cork

Grindbeck is a major supplier of quality Cork, Rubber Cork Gasket Material for Automobile, Electrical and General Industries also anti-vibration Rubber Cork pads for HVAC Industries and specialised for Rubber Cork Gasket for Oil Filled Transformer and Auto Engine. Our products are based on ISBSDINASTM Standards and is a result of years of Research and Development.Grindbeck is a part of a Group of Companies engaged in the manufacturing of Rubber Cork Gasket Material and anti-vibration pads since 1978 and expanded its activity by manufacturing Agglomerated Cork Sheet, Insulation Cork Board,
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Agglomerated Cork Sheet

  • Density, g/cm3, min. 0.35
  • Dimensional Changes, % min. 2.5
Cork is ideal for soundproofing. It muffles footsteps and noise, and offers excellent acoustic and thermal insulation. High-comfort, high-resistance cork is the ideal partner, ready to meet your every need. And with Plain Cork Sheet, you benefit from GCR's outstanding know-how and experience as a world leader in the cork manufacturing field.Plain Cork Sheet manufactured from cork particles and natural or synthetic resins, is a material with great potential. For example, Plain Cork Sheet quality can be adjusted to meet user needs or specific applications depending on the resins and chemical additives it contains. Moreover, the Plain Cork Sheet product range is quite extensive. Density, particle size and resins can all be changed according to your needs. Plain Cork Sheet brings you all of the advantages of cork, and is amazingly easy to use as well.
View Complete Details

Rubber Cork Gasket Material




















The buoyance of natural cork is used to good effect in petrol and oil level gauges, but the most important application of cork in the automotive industries is in cork-and-rubber gaskets. Today, these are as essential as petrol or diesel fuel to the car and truck industries. The material used combine the compressibility and resilience of cork with the high mechanical strength and dimensional stability of rubber, making them the best substances of such automotive applications as oil pan gaskets, valve cover gaskets and timing gear cover gaskets.


Another important application of cork-and-rubber is as a seal to retain lubricants in crank shaft bearings when pressure is applied, the air within cork cells is compressed, thus exerting a reverse pressure on the restraining faces. This is termed 'fight back' and is a primary requirement in all good gasket materials. Cork-and-rubber can be cut easily, and because it is strong and flexible, it can be used for making gaskets with narrow flanges. A wide variety of formulations used for making gaskets with narrow flanges. A wide variety of formulations using different types of rubber like Natural Rubber, Synthetic Rubber, Nitrile, Neoprene, EPDM Silicone and sizes of cork granuals are available to meet the industry's various requirements.

Cork in Electrical Industry

Special cork-and-rubber have been developed to prevent leakage of the very searching cooling fluids used in modern electrical transformer, similar material are also widely used in switch gear circuit breakers, lightning arresters, and other transmission equipment, as well as in conduit fittings, gear cases and cover plates in washing machines.

Rubbers cork gasket materials specification as per is - 4253 part -II 1988 ( ASTM - F-104 ).

Mechanical Properties GR/GCS-R&B GR/GCS-S&P GR/GCS-I&II
(Moderate Oil Resistant) (Good Oil Resistant) (Very good Oil Resistant)
Grade RC-50 RC-70 RC-80 RC-50B RC-70B RC-80B RC-50C RC-70C RC-80C
Hardness IRDH 50±5 70±5 80±5 50±5 70±5 80±5 50±5 70±5 80±5
Dimensional change percent max. 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Tensile Strength
Kg/Cm2 (KPa*) Min.
6.63 (650) 9.18 (900) 12.75 (1250) 7.14 (700) 12.75 (1250) 15.50 (1550) 12.75 (1250) 15.50 (1550) 19.50 (1900)
Compressibility at 28 Kg/Cm2 (2800 KPa) Percent 45-60 35-50 25-35 45-60 35-50 25-35 35-45 25-35 15-25
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 8.5 5.0 to 8.5 5.0 to 8.5
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 at 100°C Temp. 40 Percent Max. 25 Percent Max. 15 Percent Max.
• 1 Kg/cm2=98.0665 KPa
• Variation in thickness at any point on the sheet is ± 10% for thickness upto 2.50 mm and ±0.25 mm



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Anti Vibration Machine Foundation Slabs




















Anti Vibration Cork Slab is produced with granulated Cork Particles securely bound together with a synthetic resin of an insoluble nature.

Main Application

All machines or generators, compressor should be isolated in such a way so as to reduce and if possible eliminate the transmission of vibrations and consequent noise to the building wherein it is installed and the neighbouring buildings.

ZEBRA Isocork Slab

Can satisfactorily resolve problem of that nature and used with good results in the Anti-Vibratic isolation of foundation of heavy machinery reducing very considerably its transmission to the structure of the building.

View Complete Details
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  • Dinesh (Grindbeck)
  • J-255/1, G.I.D.C., Umbergaon 396171, Gujarat, Valsad, India
  • Share us via
Browse Our Products list of Grindbeck Valsad, Gujarat
Post Buy Requirement
GR
Valsad, Gujarat, India
Add Review

Our Products #52725

Corkboard For Thermic, Vibratic

The insulation of interior partition walls with insulation Corkboard will drastically reduce airborne noise propagation, creating a pleasant environment. You'll even stop hearing your neighbour's TV set.
Vibration Control with Insulation Corkboard :
All running machinery of a certain size will generate vibrations that will transmit down to the floor. Such machinery should always be mounted on bearing pads and isolated from the other structural elements. Boards of high density insulation Corkboard will give excellent results in this type of isolation. Vibration related cracks will be a thing of the past.
Regranulated Cork :
When applied loose, as a filling material in wall interiors mixed with concrete (lightweight concrete) or as a soil levelling material, Regranulated Cork can be put to many uses in the construction industry.
View Complete Details

Rubberised Cork Sheet

  • Tensile Strength Kg/Cm2 (KPa*) Min. 6.63 (650), 9.18 (900), 12.75 (1250), 7.14 (700)
The buoyance of natural cork is used to good effect in petrol and oil level gauges, but the most important application of cork in the automotive industries is in cork-and-rubber gaskets. Today, these are as essential as petrol or diesel fuel to the car and truck industries. The material used combine the compressibility and resilience of cork with the high mechanical strength and dimensional stability of rubber, making them the best substances of such automotive applications as oil pan gaskets, valve cover gaskets and timing gear cover gaskets.
View Complete Details

Rubberized Cork Sheets

  • Dimensional change percent max. 1.5
Another important application of cork-and-rubber is as a seal to retain lubricants in crank shaft bearings when pressure is applied, the air within cork cells is compressed, thus exerting a reverse pressure on the restraining faces. This is termed 'fight back' and is a primary requirement in all good gasket materials. Cork-and-rubber can be cut easily, and because it is strong and flexible, it can be used for making gaskets with narrow flanges. A wide variety of formulations used for making gaskets with narrow flanges. A wide variety of formulations using different types of rubber like Natural Rubber, Synthetic Rubber, Nitrile, Neoprene, EPDM Silicone and sizes of cork granuals are available to meet the industry's various requirements.Special cork-and-rubber have been developed to prevent leakage of the very searching cooling fluids used in modern electrical transformer, similar material are also widely used in switch gear circuit breakers, lightning arresters, and other transmission equipment, as well as in conduit fittings, gear cases and cover plates in washing machines.
View Complete Details

Cork Gaskets

The buoyance of natural cork is used to good effect in petrol and oil level gauges, but the most important application of cork in the automotive industries is in cork-and-rubber gaskets. Today, these are as essential as petrol or diesel fuel to the car and truck industries. The material used combine the compressibility and resilience of cork with the high mechanical strength and dimensional stability of rubber, making them the best substances of such automotive applications as oil pan gaskets, valve cover gaskets and timing gear cover gaskets.
View Complete Details

Rubber Cork

Grindbeck is a major supplier of quality Cork, Rubber Cork Gasket Material for Automobile, Electrical and General Industries also anti-vibration Rubber Cork pads for HVAC Industries and specialised for Rubber Cork Gasket for Oil Filled Transformer and Auto Engine. Our products are based on ISBSDINASTM Standards and is a result of years of Research and Development.Grindbeck is a part of a Group of Companies engaged in the manufacturing of Rubber Cork Gasket Material and anti-vibration pads since 1978 and expanded its activity by manufacturing Agglomerated Cork Sheet, Insulation Cork Board,
View Complete Details

Agglomerated Cork Sheet

  • Density, g/cm3, min. 0.35
  • Dimensional Changes, % min. 2.5
Cork is ideal for soundproofing. It muffles footsteps and noise, and offers excellent acoustic and thermal insulation. High-comfort, high-resistance cork is the ideal partner, ready to meet your every need. And with Plain Cork Sheet, you benefit from GCR's outstanding know-how and experience as a world leader in the cork manufacturing field.Plain Cork Sheet manufactured from cork particles and natural or synthetic resins, is a material with great potential. For example, Plain Cork Sheet quality can be adjusted to meet user needs or specific applications depending on the resins and chemical additives it contains. Moreover, the Plain Cork Sheet product range is quite extensive. Density, particle size and resins can all be changed according to your needs. Plain Cork Sheet brings you all of the advantages of cork, and is amazingly easy to use as well.
View Complete Details

Rubber Cork Gasket Material

The buoyance of natural cork is used to good effect in petrol and oil level gauges, but the most important application of cork in the automotive industries is in cork-and-rubber gaskets. Today, these are as essential as petrol or diesel fuel to the car and truck industries. The material used combine the compressibility and resilience of cork with the high mechanical strength and dimensional stability of rubber, making them the best substances of such automotive applications as oil pan gaskets, valve cover gaskets and timing gear cover gaskets.
Another important application of cork-and-rubber is as a seal to retain lubricants in crank shaft bearings when pressure is applied, the air within cork cells is compressed, thus exerting a reverse pressure on the restraining faces. This is termed 'fight back' and is a primary requirement in all good gasket materials. Cork-and-rubber can be cut easily, and because it is strong and flexible, it can be used for making gaskets with narrow flanges. A wide variety of formulations used for making gaskets with narrow flanges. A wide variety of formulations using different types of rubber like Natural Rubber, Synthetic Rubber, Nitrile, Neoprene, EPDM Silicone and sizes of cork granuals are available to meet the industry's various requirements.
Cork in Electrical Industry
Special cork-and-rubber have been developed to prevent leakage of the very searching cooling fluids used in modern electrical transformer, similar material are also widely used in switch gear circuit breakers, lightning arresters, and other transmission equipment, as well as in conduit fittings, gear cases and cover plates in washing machines.
Rubbers cork gasket materials specification as per is - 4253 part -II 1988 ( ASTM - F-104 ).

Mechanical Properties GR/GCS-R&B GR/GCS-S&P GR/GCS-I&II
(Moderate Oil Resistant) (Good Oil Resistant) (Very good Oil Resistant)
Grade RC-50 RC-70 RC-80 RC-50B RC-70B RC-80B RC-50C RC-70C RC-80C
Hardness IRDH 50±5 70±5 80±5 50±5 70±5 80±5 50±5 70±5 80±5
Dimensional change percent max. 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Tensile Strength
Kg/Cm2 (KPa*) Min.
6.63 (650) 9.18 (900) 12.75 (1250) 7.14 (700) 12.75 (1250) 15.50 (1550) 12.75 (1250) 15.50 (1550) 19.50 (1900)
Compressibility at 28 Kg/Cm2 (2800 KPa) Percent 45-60 35-50 25-35 45-60 35-50 25-35 35-45 25-35 15-25
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 8.5 5.0 to 8.5 5.0 to 8.5
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 at 100°C Temp. 40 Percent Max. 25 Percent Max. 15 Percent Max.
• 1 Kg/cm2=98.0665 KPa
• Variation in thickness at any point on the sheet is ± 10% for thickness upto 2.50 mm and ±0.25 mm



View Complete Details

Anti Vibration Machine Foundation Slabs

Anti Vibration Cork Slab is produced with granulated Cork Particles securely bound together with a synthetic resin of an insoluble nature.
Main Application
All machines or generators, compressor should be isolated in such a way so as to reduce and if possible eliminate the transmission of vibrations and consequent noise to the building wherein it is installed and the neighbouring buildings.
ZEBRA Isocork Slab
Can satisfactorily resolve problem of that nature and used with good results in the Anti-Vibratic isolation of foundation of heavy machinery reducing very considerably its transmission to the structure of the building.
View Complete Details
Tell Us What are you looking for? Will call you back

Contact Us

  • Dinesh (Grindbeck)
  • J-255/1, G.I.D.C., Umbergaon 396171, Gujarat, Valsad, India
  • Share us via