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Beijing Comens New Materials Co., Ltd.

Polyurethane Waterproof Coating, PU Waterproof Coating, Waterproof Coating manufacturer / supplier in China, offering Self-Leveling Moisture Curable PU (Polyurethane) Waterproof Membrane (Comensflex 8269), Polyurethane Sealant for Structural Auto Body Sealing, Adhesive for Windshield and so on.

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Supplier Homepage Product PU Construction Sealant Self-Leveling Moisture Curable PU (Polyurethane) Waterproof Membrane (Comensflex 8269)

Self-Leveling Moisture Curable PU (Polyurethane) Waterproof Membrane (Comensflex 8269)

FOB Price: Get Latest Price
Min. Order: 1,000 kg
Port: Tianjin, China
Production Capacity: 30000tons/Year
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: Comensflex 8269
  • Appearance: Liquid
  • Method: Roller
  • Certification: ISO9001
  • Density (Kg/L): 1.25±0.05
  • Elongation at Break (%): ≥550
  • Solid Tontent (%): ≥90
  • Dry Time (H): ≤12
  • Shelf Life: 12 Month
  • Trademark: Comensflex
  • Specification: ISO9001, ISO14001
  • HS Code: 3506100090
  • Color: Black / Grey
  • Main Raw Material: Polyurethane
  • Level: Finish Coat
  • Substrate: Concrete and Others
  • Tensile Strength (MPa): ≥1.9
  • Tear Strength (N/mm): ≥10
  • Tack-Free Time (H): ≤6
  • MOQ: 1000 Kg
  • Packaging: 18kg / 25kg Barrel
  • Transport Package: 25kg Pail
  • Origin: China
Product Description
Comensflex8269 is a one component, moisture curable PU (polyurethane) waterproof coating. It is an isocyanate polymer, which before operation, it is a type of amorphous liquid, and after operation, it reacts with moisture in the air and then create a flexible and seamless waterproof layer. It has high tensile strength, good weather resistance, oil resistance, abrasion resistance, acid and alkaline resistance, adaptation to structure pressure deformation, excellent waterproofing and adhesion performances. The coating has a wide range of applications for waterproofing for building and construction.

For various kinds of underground waterproof projects, such as subway, tunnel, concrete base slab construction in basement, internal and external walls, retaining wall. For various kinds of building's waterproof projects, such as housetop, wash-room, basement, kitchen, swimming pool, flowerbed, sluice gate, expansion joint, contraction joint, wall pipe, aqueduct, etc.
Technical Data
The product appearance and physical property are all accord with enterprise standard 1-C PU waterproof sealant(Q/FTGMH002-2010).
S. NoItemData
1Tensile strength (MPa)≥1.9
2Elongation at break (%)≥550
3Tear strength (N/mm)≥10
4Bending performance, -40cNo cracks
5Tack-free time (h)≤ 6
6Dry time (h)≤12
Detailed Image
Self-Leveling Moisture Curable PU (Polyurethane) Waterproof Membrane (Comensflex 8269)

The polyurethane waterproof coating Comensflex 8269 is self-leveling, which is suitable for horizontal surface.

Operation course as follows:
1. Basic surface treatment: Remove the earth, floating dust, perished, oil and grout. The basic surface should be made level off, dry and clean, rate of water content≤ 9%

2. Primer application: For dry, solid and clean concrete and mortar surface, the coating could be applied without primer, or Comensflex8269 can be served as primer. When cured, move to the next step.

3. Local enhancement: Some parts of construction should be treated ahead with the purpose of local enhancement, such as expansion joint, snug spot and pipeline joint. After the enhancement service, the overall waterproof operation can be taken.

4. The first coating operation: Scrape a layer of coating uniformly with plastic or rubber scraping panel. The layer should not be too thick or too thin (thickness is around 0.8mm). At the beginning, the operation should be accorded with the size and shape of the surface area, and make an overall plan of applying sequence. Scrape for the second time after the first layer is cured. The scraping method is same as the first time, but the scraping direction of should be vertical with the first time. Scrape for the third time if needed after the second layer is cured.
Consumption: Thickness=1mm, consumption is 1.2kg/m2; Thickness=1.5mm, consumption=1.8kg/m2; Thickness=2mm, consumption is 2.4kg/m2.

5. Make a piece of protection or finish: When the coating operation is finished but not completely cured, clean sand (the sand diameter is no bigger than 2mm) can be scattered on the coating surface, in order to enhance the adhesion between the coating layer and the cement mortar that will be covered on the layer. When the coating is completely cured and it is checked qualified, the cement mortar protection layer or the finish layer can be done.

Grey, black

20kg/pail or according to customer's requirement

Storage and Shelf life
Store in dry and cool place (15-25 recommended). Avoid direct sunlight, kept in an original container, the shelf life is 12 months.

Comensflex8269 cannot be applied on dirty surface.
The coating should be used up as soon as possible if the container is opened.
When the coating is being applied, the process should be strictly accord with the instructions.
Avoid contact with skin or eyes, in case of contact, rinse immediately with plenty of water and go to see a doctor.
It is not allowed to be applied in rainy, snowy or heavy wind days.

Our Company and Certificate

Self-Leveling Moisture Curable PU (Polyurethane) Waterproof Membrane (Comensflex 8269)
Self-Leveling Moisture Curable PU (Polyurethane) Waterproof Membrane (Comensflex 8269)
Self-Leveling Moisture Curable PU (Polyurethane) Waterproof Membrane (Comensflex 8269)
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