SikaForce®-710 L30

Fast curing 2-component balancing material

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SikaForce®-710 L30 is a 2-component polyurethane adhesive which cures at room temperature. It is designed for balancing of wind turbine blades. The system is characterized by high injectability and thixotropic viscosity build up.  

  • Room temperature curing
  • High injectability
  • Medium viscosity
  • Easy to apply
  • Solvent free
 
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Overview

PRODUCT BENEFITS

  • Room temperature curing
  • High injectability
  • Medium viscosity
  • Easy to apply
  • Solvent free
 

Areas of Application

SikaForce®-710 L30 is primarily used for balancing of wind turbine blades in factory but also for onsite-rebalancing. The material can be used in other industry applications such as bonding of sandwich panels after a detailed project review. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed ensuring adhesion and material compatibility.  

Packaging

  

SikaForce®-710 L35 (A)

Pail

25 kg

Drum300 kg
Container1 500 kg

SikaForce®-050 (B)

Can

0.45 kg

1 kg

5 kg

20 kg

Pail25 kg
Drum250 kg

SikaForce®-710 L30 (A+B)

Dual cartridge

415 ml

Mixer: MFHX 10-32 by medmix

Mixer: MFHX 10-24 by medmix

 

Product Details

Properties

Component A
SikaForce®-710 L35

Component B
SikaForce®-050

Chemical base

Polyols

Isocyanate derivatives

Color (CQP001-1)

  

mixed

Beige

Brown

Beige

Cure mechanism

Polyaddition

Density (uncured)

  

mixed (calculated)

1.64 g/cm3

1.22 g/cm3

1.56 g/cm3

Mixing ratio

                                                                                                               by volume
                                                                                                                by weight

100 : 25
100 : 19

Viscosity (CQP029-4)

Rheometer, PP25, shear rate 10 s-1, d=1 mm

mixed
                                                                                                      

24 Pa·s A

15 Pa·s A

14 Pa·s A

Application temperature

10 – 40 °C 

Pot-life (CQP536-3)

30 minutes A

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

45 B

Tensile strength (CQP543-1 / ISO 527)

6 MPa B, C

Elongation at break (CQP543-1 / ISO 527)

22 % B, C

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

7 MPa B, D

Shelf life

drum

cartridge
12 months 

9 months 

9 months 

CQP = Corporate Quality Procedure

A) 23 °C / 50 % r. h

B) cured for 28 days at 23 °C / 50 % r. h

C) tested at 2 mm/min

D) adhesive layer: 25 x 12.5 x 3 mm / on GFRP

CURE MECHANISM

The curing of SikaForce®-710 L30 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

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

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.

SikaForce®-710 L30  can be applied with automated application equipments. For automated applications, contact the System Engineering Department of Sika Industry.

 

Removal

Uncured SikaForce®-710 L30 may be removed from tools and equipment with SikaForce®-7260 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®-710 L30 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.

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