Concrete Repair

Injection Resin

Monneli Betothane 150

Flexible Polyurethane Injection Resin

Uses
BETOTHANE 150 is mainly used for sealing cracks and joints in walls, floors, concrete construction, sewers, etc.
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Technical Information
Product Description

BETOTHANE 150 is a two component MDI-based polyurethane injection resin which has a very low viscosity.

BETOTHANE 150 reacts in wet or dry cracks and joints. It has special characteristics that when in contact with water, the product will react and starts to foam while during the absence of water, it acts as a flexible seal.

Advantages
  • Could be injected in wet and dry structures
  • Elastic water sealing of cracks and joints in walls, floors and concrete constructions
  • Excellent adhesion to concrete and metal even without primer
  • Cured resin does not swell in contact with water
  • Non-corrosive to metals
  • Does not shrink, therefore volume stays the same
  • Could be used to inject into injection hoses
Compiliance Standard
  • EN 14068EN
  • ISO 527
  • EN 1771
  • EN 12614
  • EN12618
Packaging, Coverage / Consumption

Packaging:

BETOTHANE 150 is supplied in two component kit:

  • Component A : 12.0 kg
  • Component B : 13.5 kg
Shelf Life & Storage

Storage:

Keep the product in dry and covered shed with a temperature between +10°C and +30°C. If stored properly, BETOTHANE 150 has a shelf life of 12 months.

Technical Properties
PROPERTIES

RESULTS

Mixing Ratio (p.b.v.)

3:1

Colour

Light  brown

Density (DIN 53479)

0.98 kg/L

Viscosity at 20°C (DIN EN ISO 319)

150 mPa.s

Expansion ratio in water (DIN EN 14406)

1.04

Shore A hardness (ISO 868)

35

Application time (DIN EN 1504-5)

40 minutes

Maximum expansion (DIN 53455)

40%

Application temperature

Air and Substrate

+6 to +35°C
Material Temperature +6 to +30°C

Time after mixture is no longer

liquid at 25°C

6 hours

 

Time after mixture is completely cured at 25°C

5 days

Water tightness under pressure

≥ 2 x 105 Pa

Compatibility with concrete

Pass

Modulus of elasticity after 5 days at 25°C

6.6 N/mm2

Tensile strength after 5 days at 25°C

> 3 N/mm2

Elongation at break after 5 days at 25°C

125%

Adhesion at 3°C

Adhesion to Dry Concrete   

1.30 N/mm2     

Adhesion to Wet Concrete

0.60 N/mm2

Adhesion to Sand Blasted Metal Plate

3.50 N/mm2

 

Elongations (EN 12618-1)

115%

All values are subject to 5-10 % tolerance.

Application Information
Instructions for use

Preparation

Before injection, the structure’s cracks and voids, respectively the leakage, have to be inspected according to technical standards and regulations, and an injection proposal is to be prepared.

Mixing

BETOTHANE 150 consists of two components, component A (base) and component B (hardener) which have to be mixed according to the advised mixing ratio and must be thoroughly blended with a slowly rotating mechanical mixer. Before use the mixed reaction resin has to be refilled into either a clean empty pack or into a pack which has been used exclusively for mixed resins of equal quality. The re-potting is complete when the resin has been filled into the storage container of an injection pump. The pot life depends on the prepared amount and the ambient temperatures.

Acceleration of reactivity

The reaction time of the resin can be accelerated via BETOTHANE 150 Catalyst (addition of up to 1 % relating to component A).

Prior to the mixing of the two components the catalyst has to be mixed into component A.

Cleaning

Clean the used tools with SOLVENTE 10 every time there is a need to stop the work for more than 15 minutes and immediately after completing the job and before the product dries.

Recommendation

  • BETOTHANE 150 Component B could easily react with water or humidity in the air and forms CO2 gas that could build up pressure in the packaging that has been opened.
Additional Information
Health & Safety

Wear gloves, goggles to avoid any contact with eyes and skin. In case of contact in the eyes and skin, wash abundantly with warm water and consult a doctor.

Ensure adequate ventilation at working place. Absorb spilled resin of BETOTHANE 150 with sand and dispose according to the local regulations.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

additional materials
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Technical Properties Sheet
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