Leakblok Gasket 

Leakblok gasket is a Eco- Friendly flange gasket material that does not compromise on performance with ultra-high sealing ability and innovative technology at a low price.


  • Available in rolls ( reduce wastage by minimum of 20%) 

  • Truly all purpose Gasket Sheeting 

  • Extremly low gas permeability ( TA - Luft) 

  • Portable water safe ( certified ) 

  • High temperature capability

  • High Pressure capability  

  • Available  in  sheet also 

  • in various thickness 

Leakblok Catalogue
Leakblock catalogue Kem-tron sealing

Certifications and approvals

  • EC Certificate

  • Lloyd’s Register

  • TA -Luft approved

  • ABS

  • WRAS Approval

  • Patented

Material Properties


-150 °c to  220 °c ( Suitible for steam ) 


30 bar / 435 psi  - 80 bar / 1160 psi

Depending  on Temperature 

pH Range: 

4 ~11

Tested against the following

  • Reach specification Compliance

  • ROHS specification

  • Fire endurance

  • Cryogenic

LEAKBLOK ROLLS - Gaskets on a roll 

The amazing gasket can be supplied on rolls in the flowing variations: 


Thickness: 0.5~ 3.2 mm 

Width: 1270 mm ( 50 " ) or 1500 mm ( 60")

Length: 3 m to 20 m 

custom sizes also available 

Leakblok green Technology

Unique Mechanical compound Systems

Leakblok is manufactured free form VOC’s (Volatile Organic compounds) that are dangerous to human health or cause harm to the environment.

Unique Manufacturing Process Systems

Leakblok manufacturing process exclude the use of solvents and other VOC to ensure the production process does not have a negative effect on the environment and our staff.

0330 113 4924

For UK wide supply 


Kem-tron Sealing  LTD

Company registration #: 1133464

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Registered office address 

Suite 2a Blackthorn House, St Pauls Square


B3 1RL