Würth Bondseal kd white 300ml

Glue and mastic

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Neumarkt, Italy
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Bondseal kd white 300ml


Glue and mastic

Product code


Elastic PU adhesive and sealant for a broad range of uses
Universal application
Outstanding adhesive strength on a wide range of materials and surfaces.
Approved for use with foodstuffs (ISEGA certificate)
Harmless to health in hardened state
Suitable for gluing and sealing in food processing areas
Highly elastic
Bonding of identical and different substances possible
Compensation of different material expansions
Absorbs vibrations and sounds
Long skin formation time
Allows bonding or sealing of complex components
Also ideal for large surfaces
Assembly components can be repositioned
Can be ground/painted
Following skin formation, can be mechanically machined and painted over without surface activation (perform preliminary tests to check paint compatibility).
Not corrosive
Avoids corroding the metal

Do not allow this product to come into contact with alkyd-resin paint systems. Not suitable for glass groove sealing.
Direct sunlight may result in yellowing of the surface. Not suitable for PE, PP, PTFE, silicone, polystyrene and plastics. Minimum adhesive thickness: 3 mm. It is essential to use Würth B+S Adhesion Plus products in order to achieve optimum adhesion results. Unhardened material can be removed with B+S remover, art. no. 089010063; hardened material can only be removed mechanically.

The above application instructions are recommendations given on the basis of our own tests and experience. We recommend that you carry out your own tests before use. Due to the great variety of different applications and storage and processing conditions, we cannot guarantee a particular application result. We will not accept legal liability for any advice or technical information provided by our free customer hotline unless this advisory service and/or technical information is part of the contractually agreed performance owed by us, or the customer service employee acted willfully or intentionally. We guarantee the consistent quality of our products and reserve the right to make technical changes and improvements.

For a wide range of bonding and sealing work on surface materials such as metal, painted surfaces, wood, stone, concrete and plastic (polyester and hard PVC).
The surfaces must be clean, dry and free from dust and grease.

Further details
Technical information


300 ml

Chemical basis

Single component polyurethane






1.25 g/cm³ / prior to hardening, DIN 53479

Shore A hardness


Min. tensile strength

1.8 N/mm²

Conditions for tensile strength

in accordance with DIN 53504

Min. longitudinal resistance to tearing

6 N/mm

Conditions for resistance to tearing

in accordance with DIN 53515

Elongation at break

500 %

Elongation at break/conditions

500 % / in accordance with DIN 53504

Full curing speed

3 mm/d

Fully hardening/curing conditions

23°C and 50% relative humidity, moisture curing

Min./max. skin-formation time /conditions

45-60 min / at 23°C and 50% relative humidity

Conditions for specific volume resistivity

in accordance with DIN 53482

Min./max. processing temperature

5 bis 35 °C

Min./max. temperature resistance

-40 bis 90 °C

Max. short-term temperature resistance

120 °C

Conditions for temperature resistance/temperature conditions

after 8 hours

Min. flashing point

70 °C

Glass transition temperature/conditions

-45 °C / in accordance with DIN 53445

Shelf life from production/conditions

12 Month / from 10°C to 25°C



Resistance against

Lime water
Public sewage
Weak acids
Weak lyes
Salt water

Short-term resistance against

Mineral oils
Animal fat
Animal oils
Vegetable fat
Vegetable oils



Structural adhesives Collection by Würth
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