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Glue and mastic

Manufacturer Würth

Universal and elastic construction adhesive and sealant, clear as glass
Glass-like transparency
Particularly ideal for visible seals/adhesions.
Wide range of adhesion options without the use of primer
Excellent adhesion on a wide variety of surfaces
Fixed elastic adhesive
Cushions dynamic movements
Enables bonding of different materials
Can be painted over with dispersion paints
Solvent-free and low-odour
Free from isocyanate and silicon

With prolonged UV exposure, Würth glass-clear adhesive may yellow and become brittle, especially when used outdoors.
Not suitable for building construction expansion joints, glazing rebate seals, joints continuously exposed to water as well as heavily expanded perimeter joints.

Not suitable for adhesion of PE, PP, PMMA, PTFE, silicon rubber and plasticized plastics.
Only for use on fully hardened paints. Not suitable for use on artificial resin surfaces (alkyd resin).

The usage instructions are recommendations based on the tests we have conducted and are based on our experience; carry out your own tests before each application. We do not assume any liability for a specific application result due to the large number of applications and storage and processing conditions. Insofar as our free customer service provides technical information or acts as an advisory service, this service is provided under the exclusion of any liability, unless the advice or information given falls within the scope of our specified, contractually agreed scope of services or the consultant was acting deliberately. We guarantee the consistent quality of our products. We reserve the right to make technical changes and carry out further development.

Proof of Performance (Pub)
Tested in accordance with EN 15651-1, F - INT


290 ml

Further details


Building trade:
Adhering and fitting a range of construction materials.

Architectural glass:
Transparent indoor glass bonding (not to be used as glazing sealant).

Electrical installation:
Securing cable channels/fastening sockets, notice signs.

Vehicle engineers:
Elastic seals for bodywork, vehicle and container manufacturing.

Booth builders:
Mounting display windows, decorative objects, notice signs, profiles.

Metal workers:
Tension-free structural bonding/stainless steel constructions, post box construction.

Joiners/window fitters:
Floor panels, glass strips, push handles on glass doors and bar console brackets on glass, door bars, galvanised steel frames.

Typical substrates:
ABS, aluminium, stainless steel, glass, glass fibre-reinforced plastic, wood, copper; raw, galvanised, primed and painted sheet steel; hard PVC.

Technical information

Chemical basis

MS polymer




1.06 g/cm³


Faint odour

Min. skin-formation time

10 min

Conditions for skin-formation time

at 23°C and 50% relative humidity

Full curing speed

2 mm/d

Fully hardening/curing conditions

23°C and 50% relative humidity

Min./max. processing temperature

5 bis 40 °C

Min./max. temperature resistance

-40 bis 90 °C

Min. combined tension and shear resistance

2.2 N/mm²

Conditions for combined tension and shear resistance

in accordance with DIN 53283, 2-mm layer thickness

Min. tensile strength

2 N/mm²

Conditions for tensile strength

in accordance with DIN 53504

Max. change in volume

2 %

Conditions for change in volume

in accordance with DIN 52451

Min. breaking elongation

250 %

Ultraviolet resistance








Resistance against

Diluted inorganic acids and lyes
Aqueous cleaning agents

Short-term resistance against

Aliphatic solvents
Mineral oils
Vegetable fat
Vegetable oils
Animal fat
Animal oils

Shore A hardness


Conditions for Shore hardness

in accordance with DIN 53505

Min. flashing point

61 °C

Shelf life from production

9 Month

Conditions to maintain shelf life from production

from 10°C to 25°C


290 ml

Product weight (per item)

386.166 g



Glue and mastic GLASS-CLEAR ADHESIVE SEALANT 290ML - Würth

Glue and mastic GLASS-CLEAR ADHESIVE SEALANT 290ML - Würth
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