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SikaForce-712 L7, Fast Curing Low Viscosity 2-Part Panel Adhesive, Interior & Exterior, Beige

SikaForce-712 L7, Fast Curing Low Viscosity 2-Part Panel Adhesive, Interior & Exterior, Beige

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Sika

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Ambalare N/A
Utilizare Bonding To Foam/Mineral Wool In Panels
Zonă de utilizare Interior & Exterior
Culoare Beige
Bază chimică Polyol - Isocyanate
Condiții de depozitare +5 °C to +30 °C - Store in original, unopened, undamaged packaging in dry conditions. Always refer to packaging.
Densitate 1.41 g/cm3
Temperatură de funcționare N/A
Timp de aplicare 9 min.
Timp de uscare N/A
Grosime de aplicare N/A
Metodă de aplicare Manual
Rezistență la radiații UV No
Rezistent la umiditate Yes
Rezistent la mucegai N/A
Vopsibil No
Etanșant No
Flexibil Yes

Fast curing, low viscous 2-component adhesive for panel bonding

SikaForce-712 L7 is a fast curing, low viscous 2-component polyurethane adhesive for bonding sandwich panels and similar constructions of various materials.  

  • Low density
  • Low viscosity
  • Short press time
  • Room temperature curing
  • Solvent free
PRODUCT BENEFITS
  • Low density
  • Low viscosity
  • Short press time
  • Room temperature curing
  • Solvent free
 
Usage
SikaForce-712 L7 is used primarily for bonding of metal, fibre cement, wood and glass fibre reinforced plastic to expanded and extruded polystyrene foam, polyurethane foam and mineral wool in the manufacturing of sandwich elements and other constructions. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed, ensuring adhesion and material compatibility.  
Typical Product Data
Cure mechanism

Polyaddition

Mixing ratioby volumeby weight

100 : 30

100 : 26

Application temperature

15 – 30 °C

Pot-life (CQP536-3)

9 minutes A

Open time (CQP526-3)

25 minutes A

Press time (CQP590-4)1 MPa

45 minutes A

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

70 B

Tensile strength (CQP543-1 / ISO 527)

16 MPa B

Elongation at break (CQP543-1 / ISO 527)

40 % B

Tensile lap-shear strength (CQP546-1 / ISO 4587)

10 MPa B

Component ASikaForce-712 L7Component BSikaForce-010
Technical Information
CURE MECHANISM

The curing of SikaForce-712 L7 takes place by a chemical reaction of the two components. Higher temperatures speed up the curing process and lower slow it down.

CHEMICAL RESISTANCE

In case of chemical or thermal exposure, conduct project related testing.
Application Information
Surface Preparation

Surfaces must be clean, dry and free from grease, oil, dust and contaminants. After the cleaning process, a physical or chemical pre-treatment might be required, depending on surface and type of material. The type of pre-treatment must be determined by tests.
Application

Typically a coat weight between 150 and 350 g/m2 is applied, depending on the substrates to be bonded. The specific coat weight for a given substrate combination must be determined by tests.
The procedure for manual application is as follows: Ensure that the A-component is stirred thoroughly to avoid any sediment or separation, taking care not to stir too vigorously as this may introduce air into the product. Add the B-component in the specified ratio and stir thoroughly, ensuring a homogeneous mixture is achieved.

Apply before reaching half of the pot-life and join parts together within the open time. Consider that, if mixed in larger amounts, the exothermic reaction can reduce the pot-life and open time significantly.
For automated applications, contact the System Engineering Department of Sika Industry.

 
Pressing

An adequate bonding pressure is necessary to obtain a voidless contact between the substrates and the adhesive. The specific pressure is, however, dependent on the core material and must be determined by tests. The pressure must always be below the maximum compressive strength of the core. After starting the press process, do not release the pressure until the press time has elapsed.
Removal

Uncured SikaForce-712 L7 may be removed from tools and equipment with SikaForce-096 Cleaner. Once cured, the material can only be removed mechanically.
Hands and exposed skin have to be washed immediately using hand wipes such as Sika Cleaner-350H or a suitable industrial hand cleaner and water.

Do not use solvents on skin.
STORAGE CONDITIONS

SikaForce-712 L7 has to be kept between 10 °C and 30 °C in a dry place. Do not expose it to direct sunlight or frost. After opening of the packaging, the content has to be protected against humidity.
The lowest allowed temperature during transportation is -20 °C for max. 7 days.