Binary, Bitumen Based Waterproofing Coating
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The Name of the Product : LANKOBİTÜM 2K 228
Product Group : Binary, Bitumen Based Waterproofing Coating
Description : Binary, flexible, high-viscosity pure bitumen, neoprene, with latex additives, rubber bitumen emulsion waterproofing coating.
Packaging Type : In 30 kg plastic buckets “A Ingredient (22 kg), B Ingredient (8 kg)”
Color : Black
Standard : Product Standard
Areas of Use : Pressurized and non-pressurized waterproofing used in civil engineering,
Structures in water, basement walls, terraces, wet areas, underground car parks,
etc.
On precast concrete and other mineral surfaces,
For adhesion of thermal insulating boards.
Characteristics/Advantages:
Can be easily applied to all details.
Durable against various weather conditions and natural ground motions.
Unlike other emulsions, the curing process is not carried out over but from the
base level of the coating. Forms an outward speeding film formation and the
process is completed when the coating dries.
Highly elastic and therefore, acts as a bridge for the cracks that may appear because of concrete shrinkage when applied at the right thickness.
Durable against ground waters with high sulpher content and low pH value.
Preserves its elasticity even under low temperatures.
Ministry of Public Works Position No: 04.611
Technical Specifications :
Chemical Structure : Bitumen and synthetic additives
Color : Black
Density : 1.20±0.05 g/ml
Hard Substance : %60 - 62
pH : 9 - 11
Application Temperature: +5°C to +30°C
Crack Bonding : 1.5 mm
Water tightness : ≤ 70 m water column
Through-Dry Time : 2 – 4 days
- These figures are provided for temperatures between +23±2 ºC and for 50±5% relative humidity.
Surface Preparation :
General
- All surfaces should be smooth and free of dirt, oil, curing materials and other contaminants.
- All movable parts should be removed and the possible dirt and dust that may be left over should be cleaned.
- All corners and sides shall be chamfered.
New Concrete Surfaces
- All newly poured concrete surfaces should be cured for 4 weeks before K10 Lankobitum 2K 228 is applied.
Old Concrete Surfaces
- All surfaces shall be cleaned thoroughly by a strong detergent and all detergent residues shall be cleaned by washing with a water jet. The surfaces shall be undercoated with Lanko 124.
- The surface shall be left to dry for 24 hours afterwards.
- Before applying K10 Lankobitum 2K 228, the surface shall be thoroughly examined and if any protrusions that may perforate the membrane are left, they shall be leveled.
Plaster
- Newly plastered areas shall be left for curing for at least 7 days.
Metal / Wooden Surfaces
- Make sure all surfaces are clear of rust and grease and are undercoated with Lanko 124, Geseras EM2 and/or PR6.
Cracks
- If thin capillary cracks exist and are immobile, they shall be covered with one layer of K10 Lankobitum 2K 228.
- Cracks wider than 1,5 mm shall be filled with joint filler.
- If there are structural, mobile cracks wider than 1,5 mm, they should be filled with a silicone based joint filler and should be taped with a 50 mm wide plastic tape.
- Afterwards, K10 Lankobitum 2K 228 shall be poured over the tape in one layer and the surface should be left to be cured for 3-4 hours before the second layer is applied.
Application:
- K10 Lankobitum 2K 228’in A ingredient (Bitumen) shall be diluted with 1/10 water and shall be applied to the surfaces as an undercoat until the saturation point.
- A Ingredient (Bitumen) and B Ingredient (Powder) shall be mixed with a low-speed mixer until a homogenous mixture is obtained.
- Afterwards, the mixture shall be applied to the surface by a brush and/or a suitable spray gun.
- After the first layer dries (3-4 hours), the second layer can be applied.
- For non-pressurized surfaces, minimum 1 mm thickness shall be achieved with a consumption of 1,2 kg/m².
- For pressurized surfaces, minimum 2 or 3 mm thickness shall be achieved with a consumption of 2,5 to 4 kg/m².
Consumption :1.2 kg/m²/mm thickness
Storage Life:
The expiry date is 24 months from the date of production provided that it is stored in sealed (unopened) original package in a dry environment and has not been exposed to direct sunlight and frost.
Safety Precautions/Warnings:
- Use between +5 Cº and +35 Cº.
- Protect against freezing.
- Do not use the product under harsh weather conditions.
- Do not use for surfaces that are exposed to negative water leakage.
- Ensure that a good mixture is obtained before using.
- The insulation shall be protected after the application. The surface to be protected shall be maintained with the use of insulation protection tools.
- Wash the used tools with plenty of water after the application. The dried parts shall be cleaned with mechanical means.
- Wash with plenty of water in case of contact with skin and eyes. If it causes irritation, immediately contact a doctor.
- View Product Safety Data Sheet for more information about health and safety titles.
Hazard Warnings :
R 22 : Harmful if swallowed.
Safety Warnings :
S 2 : Keep out of the reach of children.
S 3 / 7 : Keep container tightly closed in a cool place.
S 24 / 25 : Avoid contact with skin and eyes.
S 29 : Do not empty into drains.
S 46 : If swallowed, seek medical advice immediately and show the container or label.
