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INJECTION TREATMENT

INJECTION TREATMENT

  • All materials whether loose or on pallets have to be stored in a covered area and protected from UV and sunlight. Damage to the material may be caused due to improper storage and at high temperatures.

  • Application of materials should be avoided in case of extreme weather conditions like sand storms or rain. The ambient temperature during application should be between 5°C and 45°C.

SURFACE REQUIREMENTS

 

  • Drill the hole adjacent to the crack at a 45° angle & adjacent to the pipe penetration.

  • In the presence of running water, the flow must be stopped using POLYINJECT STOP or POLYINJECT STOP FS which produces rapid setting water-stopping foam. When the water is stopped the cracks are re-injected with POLYINJECT PU+.

 

WORK PREPARATIONS

 

  • POLYINJECT PU+ is applied as injection resin using injection packers and 1-C pumps. The injection packers may be fixed into holes drilled directly into the crack or drilled diagonally from concrete adjacent to the crack or by fixing of injection nipples bonded to the surface using POLYPUR F on damp surfaces or POLYPOXY BF on dry surfaces. For further assistance and instructions regarding the packer fixing and design please refer to our method statement.

 

MIXING
 

  • Pour the hardener (component B) into the resin (component A) in the indicated mixing ratio and mix with an electric mixer (max. 300 rpm) until a homogenous mixture is produced. Assure that the B component is evenly dispersed. Only mix sufficient resin that can be used within the pot life of the material.

INJECTION
 

  • POLYINJECT PU+ can be injected using 1-component or 2-component injection pumps. The injection pressure should be at least 4 bars. After the work is finished the injection system shall be allowed to cure for 24 hours and shall be left undisturbed for this time.

 

CLEANING
 

  • Remove the packers once POLYINJECT PU+ is fully cured and make good any holes or voids with POLYPOXY BF on dry surfaces and allow curing. In case of damp surfaces use POLYPUR F. POLYINJECT PU+, POLYPOXY BF and POLYPUR F should be removed from tools, equipment, and mixers with an appropriate solvent immediately after use. Hardened material can only be removed mechanically.

SECTION I: GENERAL INSTRUCTIONS

SECTION II: APPLICATION INSTURCTIONS

SECTION III: STORAGE & SHELF LIFE

Store all material between 10 and 25°C in a cool, covered dry place. Do not expose the containers to direct sunlight and keep away from all sources of heat. In tropical climatic conditions, the product has to be stored in an air-conditioned environment and protected from high humidity. The shelf life of the product is 6 months in unopened condition if stored as per the recommendations. Exposure to high temperatures and humidity will result in considerable deterioration of the product and reduce its shelf life.

 

Note:  As with all construction chemical products caution should be always be exercised whilst usage. Protective clothing such as gloves and goggles should be worn. Treat any splashes to the skin or eyes with fresh water immediately and seek medical advice. Should any of the products be accidentally swallowed do not induce vomiting, but call for medical assistance immediately. Ensure that the container is available for the medical attendant to examine any relevant instructions and contents details. For any further information please refer to the material safety datasheet.