Product Data Sheet Show all documents

Sikasil® Auto

Multipurpose Automotive Adhesive Sealant

Sikasil® Auto is a premium, neutral-curing silicone sealant that displays excellent adhesion to a wide range of substrates and provides a permanent, flexible bond or seal. The cured product can withstand exposure to sunlight, salt spray, temperature extremes, vibration and common car cleaning agents without hardening, shrinking or cracking.
   

- Excellent thermal, vibration, UV and weathering resistance - Adheres well to fibreglass, metals, most plastics, glass and painted surfaces - Non-corrosive - Fast-curing and highly effective - Easy to apply  
Product Data Sheet Show all documents

PRODUCT BENEFITS

- Excellent thermal, vibration, UV and weathering resistance

- Adheres well to fibreglass, metals, most plastics, glass and painted surfaces

- Non-corrosive

- Fast-curing and highly effective

- Easy to apply

 

Usage

Sikasil® Auto is a multipurpose product designed for use in vehicle interior and exterior applications. It is suitable for bonding small components such as trim, as well as for sealing and noise/vibration reduction.
This product is suitable for professional experienced users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.  

Packaging

Tube

75 g

Product Details

Typical Product Data
Chemical base

1-component silicone

Colour (CQP001-1)

Translucent

Cure mechanism

Moisture-curing

Cure type

Neutral

Density (uncured)

1.0 kg/l

Application temperature

ambient

5 - 45 °C

Skin time (CQP019-1)

10 minutes A

Tack free time (CQP019-3)

20 minutes A

Curing speed (CQP049-1)

to a 3 mm depth

24 hours

Shore A hardness (CQP023-1 / ISO 48-4)

30

Tensile strength (CQP036-1 / ISO 527)

1.0 N/mm2

Elongation at break (CQP036-1 / ISO 527)

600 %

Service temperature

- 50 - 250 °C

Shelf life

18 months B

CQP = Corporate Quality Procedure

A) 23°C / 50 % r.h.

B) storage below 25 °C
Technical Information

CURE MECHANISM

Sikasil® Auto cures by reaction with atmospheric moisture. The reaction starts at the surface and proceeds to the core of the joint. The curing speed depends on the relative humidity and the temperature. At low temperatures the water content of the air is lower and the curing reaction proceeds more slowly.

Application

Application Information

Surface preparation

Surfaces must be clean, dry and free from oil, grease and dust. Sika® Remover-208 or another suitable solvent may be used for cleaning.

Application

To minimise smearing of surfaces with excess sealant, masking tape can first be applied to surrounding surfaces.

Cut the nozzle to the desired bead size then apply a continuous bead as required. For bonding, apply bead to only one surface. For sealing, push the sealant into the joint as it is being applied to ensure good wet out onto the surface.

Assemble parts and/or tool off any excess sealant before it skins over, then immediately remove any masking tape.

For more information, please contact the Technical Service Department of Sika Industry.

 

Removal

Uncured, excess Sikasil® Auto may be removed with Sika® Remover-208 or another suitable solvent. Cured sealant can only be trimmed away or scraped off mechanically.

Hands and exposed skin should be washed immediately using SikaCleaner®-350H or a suitable industrial hand cleaner and water.

Do not use solvents!

Overpainting

Sikasil® Auto cannot be overpainted. If a similar but overpaintable product is required, consider using Sikaflex®- 227.

Application limits

Sikasil® Auto is not recommended for use on pre-stressed polycarbonate or other plastic surfaces that are prone to stress cracking.
The above information is offered for general guidance only. Advice on specific applications will be given on request.

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