Gasket & Packing, Joint Sealant

Extreme Group

We assure high quality, environmentally-friendly sealing products to our customers. Comprehensive range of gaskets can fulfill different needs and is suitable for various industries and even the most challenging applications. Explore gaskets to find more information about standard line of DONIT® gaskets. If standard products are not suitable or cannot meet the installation’s requirements, we can provide the engineering expertise and capability to develop, plan, design and build the solutions that suit the needs of the customer special requirements.

Extreme Group Authorized Distributor

DONIT® TESNIT® are high quality gasket material sheets, composed of aramid, glass, organic, inorganic or carbon fibers, NBR rubber as a binder and different fillers. Fiber gasket sheets with different chemical, thermal and mechanical resistance are made to endure at different loadings, even the most demanding conditions. Among wide range of gasket sheets in DONIT® TESNIT® product line you can find the perfect material to fulfil your needs.

BA-202

BA-U

BA-REM

BA-203

BA-CF

BA-R300

BA-50

BA-GL

BA-R302

BA-55

BA-M

BA-SOFT

Gaskets

From this page you can browse some of the different gaskets that we manufacture, by type and application: from standard pipe gaskets, to manway gaskets, to parts for classic cars. We supply parts such as these to a range of industries: such as electrical, pharmaceutical, and automotive. We can also manufacture bespoke parts from technical drawing, sample, or sketch.

Alternatively, we are always happy to offer technical help and advice and so if you require assistance then please do not hesitate to contact us

Car Gaskets

Graphite

Cork Gaskets

HeatExchanger

Cover Gaskets

High Temperature Gaskets

Food Quality Gaskets

Leather Gaskets

BA-202

TESNIT® BA-202 is suitable for non-demanding applications in particular the water supply industry. As such, TESNIT® BA-202 has been designed with good mechanical and sealing properties.

Composition
Cellulose fibres, inorganic fillers, NBR binder. Optional steel wire mesh insert on request.

Properties
Material has good mechanical and sealing properties. It has been designed for non-demanding applications

Surface treatment
Surface finish is 2AS. Optional graphite or PTFE finish on request.

Dimensions of standard sheet
Sheet size (mm): 1500 x 1500 | 3000 x 1500 | 4500 x 1500
Thickness (mm): 0.5 | 1.0 | 1.5 | 2.0 | 3.0
Other dimensions and thicknesses are available on request.

Appropriate Industries & Application

General Purpose General Purpose
Water Supply Water Supply
Shipbuilding Shipbuilding

BA-203

TESNIT® BA-203 is designed for less demanding applications particularly for shipbuilding. TESNIT® BA-203 also has good thermal resistance.

Composition
Cellulose fibres, inorganic fillers, NBR binder. Optional steel wire mesh insert on request.

Properties
Material has good mechanical and sealing properties. It has been designed for non-demanding applications

Appropriate Industries & Application

GENERAL PURPOSE General Purpose
SHIPBUILDING Shipbuilding
WATER SUPPLY Water Supply

BA-50

TESNIT® BA-50 has good thermal and chemical resistance, which makes it appropriate for use in a wide range of applications. TESNIT® BA-50 is well suited for use with potable water supply and shipbuilding.

Composition

Aramid fibres, inorganic fillers, NBR binder. Optional steel wire mesh insert on request.

Properties
Material has good thermal, chemical, and dynamic resistance.

Certificates
DIN-DVGW DIN 3535-6, SVGW DIN 3535-6, TZW ELL, DVGW W270, DNV GL, TA-Luft (VDI 2440), WRAS, EC 1935/2004

Surface treatment
Surface finish is 4AS. Optional graphite or PTFE finish on request.

Dimensions of standard sheet
heet size (mm): 1500 x 1500 | 3000 x 1500 | 4500 x 1500 Thickness (mm): 0.5 | 1.0 | 1.5 | 2.0 | 3.0 Other dimensions and thicknesses are available on request.

Appropriate Industries & Application

GENERAL PURPOSE General Purpose
SHIPBUILDING Shipbuilding
WATER SUPPLY Water Supply
AUTOMOTIVE Automotive And Engine Building Industry
FOOD INDUSTRY Food Industry
GAS SUPPLY Gas Supply

BA-55

TESNIT® BA-55 is specifically manufactured for heating systems that utilise steam or mineral oils, however it is also suitable for other applications. TESNIT® BA-55 has very good thermal and chemical resistance.

Composition

Engineered bio-soluble mineral fibres, aramid fibres, inorganic fillers, NBR binder. Optional steel wire mesh insert on request.

Properties
Material has good thermal and chemical properties and resistance to steam.

Certificates
DIN-DVGW DIN 3535-6, TZW ELL, DIN 30653, DIN 30653 (5 bar), DVGW W270, BAM (Oxygen), EC 1935/2004, EC 1935/2004

Surface treatment
Surface finish is 4AS. Optional graphite or PTFE finish on request.

Dimensions of standard sheet
Sheet size (mm): 1500 x 1500 | 3000 x 1500 | 4500 x 1500 Thickness (mm): 0.5 | 1.0 | 1.5 | 2.0 | 3.0
Other dimensions and thicknesses are available on request.

Appropriate Industries & Application

GENERAL PURPOSE General Purpose
SHIPBUILDING Shipbuilding
WATER SUPPLY Water Supply
AUTOMOTIVE Automotive And Engine Building Industry
FOOD INDUSTRY Food Industry
GAS SUPPLY Gas Supply
HEATING SYSTEMS Heating Systems
STEAM SUPPLY Steam Supply