Teknomer 640 Cold Applicable Polyurea

Product description
It is a polyurethane-based, two-component, ultra-flexible, high-strength, waterproofing material that maintains its permanent elastic structure.

Usage areas
• In terraces, roofs, balconies and creek gutters,
• In flower bed insulation,
• It can be used safely on reinforced concrete and sheet metal.
• Foundation and curtain waterproofing,

Features and Advantages
• It has the feature of forming high crack bridge.
• It maintains its high elasticity even at low temperatures.
• Easy to apply (by roller, brush or spray).
• Provides excellent adherence even on difficult surfaces.
• It shows high resistance against the passage of ponded water.

Application Instructions
Surface Quality: Surfaces are clean, smooth, solid, all kinds of dust, oil, dirt, rust, mold oil, detergent.
It should be freed from similar non-adhesive substances and wastes. Weathering in concrete
If there is (segregation) defective and loose parts should be discarded, weak pieces should be removed. Application
If there are cracks or cavities on the floor or wall to be made, repair with appropriate TEKNOREP 300 repair mortars.
should be done. TEKNOMER 6 40 should be applied at least 7 days later .
Surface Preparation: If there is dilatation of the structure before applying TEKNOMER 640, first
dilatation must be insulated using TEKNOMER PAH TAPES and TEKNOBOND 400 D.
Later, the insulation work of the dilatations is more difficult and costly. All drains and gutters, strainers
should be insulated using chamfer tapes. The surface to be insulated must be dry. Puddle,
If there is ponding, it should be removed. Two-component, epoxy-based primer on concrete surface
TEKNOBOND 120, TEKNOBOND 300, TEKNOBOND 300 PRO or TEKNOBOND 310 brushes
or with a roller 150 – 300 grams/m2. Primer consumption depends on the quality of the concrete,
It varies according to absorbency. Before the primer is completely cured, be sure to
make sure it hardens. Minimum 4 hours, maximum 24 hours for waterproofing to be made on it.
should be expected.
Mixing: in a clean container free of any non-adhesive substance or
Component A of TEKNOMER 640 is mixed in its own container first, and Component B is added on top of it. low speed
Mix with a mixer until a homogeneous mixture without lumps is obtained. truck break time
should be at least 3 minutes. Mixed, ready-to-apply product, hard bristled, brush roller or
It is applied to the surface with spraying machines. After the material completes its reaction
The second layer is applied in the vertical direction of the first layer application. Waiting time between coats
minimum 6 and maximum 24 hours. After the application of the first coat, there is a trace on the fingers in the manual control.
It is possible to switch to other floors when there is no room left. If desired, carrier glass fiber between floors, reinforcement
can be used as
Direct sunlight, strong wind, high air temperature (over +35°C) rain after application
and it should be protected against adverse weather conditions such as frost. Before the product is fully cured,
hands should be cleaned with water and detergent .
Cleaning of Equipment: Immediately after the application, before it hardens, the equipments TEKNO
It should be cleaned with THINNER P. After the product hardens, it must be cleaned by mechanical methods.

Application Notes / Limitations
• Foreign materials should not be added.
• It should not be applied in the rain.
• The product should not be diluted with water.
• Rain, etc., until the newly applied material completes its hardening. to weather conditions
must be protected against