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Quick Details

  • CAS No.: 63148-52-7
  • Other Names: Pu Adhesive Sealant
  • MF: C6H7NO2
  • EINECS No.: 231-545-4
  • Place of Origin: Beijing, China (Mainland)
  • Classification: Other Adhesives
  • Main Raw Material: Polyurethane
  • Usage: Transportation
  • Brand Name: COMENS
  • Model Number: Flexibond 8204, 8205, 8207, 8211, 8213
  • Type: two component pu glue
  • Color: Light yellow after mixing
  • Certificate: MSDS, ISO, SGS
  • Shelflife: 12 months
  • Cure mechanism: Poly addition
  • Open time (23c, 50%RH): 40~120 min
  • Rate of cure: ≥3-5mm/24hr
  • Tensile strength: ~10N/mm2
  • HardnessshoreD(GB/T 531-2008): Approx 60-100
  • Keywords: two component pu glue
  • Material: 100% polyurethane

Packaging & Delivery

Packaging Details Resin: 24kg or 25kg or 200L or 1000-1250kg/drum
Hardener: 4-6kg/drum
Delivery Time 1-2 weeks
About Us

Beijing Comens New Materials Co., LTD is a listed company in China (“Comens Materials”, Stock Code: 300200.SZ) committed to providing professional solutions for bonding (including lamination, wrapping, etc.), sealing and protection in the field of soft packaging, assembling, construction, furniture and building materials, etc. Series of adhesive, sealant, resin and coating have been developed based on polyurethane and acrylic. With the wide product range, good reputation and high market share in China, Comens has been recognized as a leading manufacturer in China and Asia in the field of polyurethane adhesives and sealants.

Following the mission of “satisfy diversified demand, provide professional service”, Comens is striving to be a worldwide competitor in polyurethane adhesives, sealants and coatings. 

Product Code

Flexibond 8204: 

Two Component PU Adhesive for Sandwich Panel Structural Bonding


Description
Flexibond 8204 is a two-component polyurethane adhesive which is widely applied to manufacture heat-insulation and decoration integrated plate, ceiling board and metal partition of clean rooms.

It is suitable for various substrates, such as galvanized sheets, calcium silicate board, glass magnesium board, rook wool, PU foam, expanded polystyrene foam board, extruded polystyrene foam board, phenolic board, etc. The volume of adhesive will be expanded during the curing process.

Characteristics
1.Excellent adhesion to various substrates.
2.Cures fast, shortens heat or cold setting time.
3.Foam percentage 50-100%, benefits to fill cracks between the substrates.
4.Solvent free, environmental friendly.
5.Good humidity and heat resistance. 



Flexibond 8205:

Two Component PU Adhesive for Sandwich Panel Structural Bonding

Decription
Flexibond 8205 is a two-component polyurethane adhesive is suitable for sandwich structural bonding, and for various other substrates, such as wood, prefabricated plastic, polyurethane sandwich panel, foam panel, polystyrene foam board, glass fiber, steel panel, concrete materials. The adhesive is of good adhesion and good weather resistance. It is solvent free, environmental friendly.

Characteristics
1. Excellent adhesion to various substrates.
2. Cures fast, shortens the pressing time
3. No irritant gas during applying and curing process.
4. Good humidity and heat resistance

Flexibond 8207:

Two Component PU Adhesive for Sandwich Panel Structural Bonding

Description
Flexibond 8207 is a two-component polyurethane adhesive which is widely applied to manufacture heat-insulation and decoration integrated plate, ceiling board and metal partition of clean rooms.

It is suitable for various substrates, such as galvanized sheets, calcium silicate board, glass magnesium board, rook wool, PU foam, expanded polystyrene foam board, extruded polystyrene foam board, phenolic board, etc. The volume of adhesive will be expanded during the curing process.

Characteristics
1. Excellent adhesion to various substrates.
2. Cures fast, shortens heat or cold setting time.
3. Foam percentage 30-100%, benefits to fill cracks between the substrates...
4.Suitable for scraping operation.
5. Solvent free, environmental friendly.
6. Good humidity and heat resistance. 

Flexibond 8211:

PU Glue for Aluminum Composite Panel and Sandwich Structural Bonding

Description
Flexibond 8211/Flexibond 8200 is a two-component polyurethane adhesive which is applied for structural bonding for various substrates, such as aluminum honeycomb, wood, PU foam, polystyrene foam board, glass fiber-reinforced plastic, aluminum plate and steel plate, etc.

Characteristics
1. Excellent adhesion to various substrates.
2. Cures fast, shortens heat or cold setting time.
3. Solvent free, environmental friendly.
4. Good humidity and heat resistance. 

Product Packing
Resin: 24kg/drum,                                                    Resin: 25kg/drum                                    Hardener: 4 or 6kg/drum
Hardener: 6kg/drum

Resin: 24kg/drum                                                    Resin: 200L/drum                                Resin: 1000-1250kg/drum

Product Application

Application

1.Preparation:
Prepare a clean and dry drum for mixing the adhesive.
Mixing tool: Sticks for manual mixing or electric mixer.
Electronic scale: It would be better if the electronic scale can accurately weight to one decimal.

2.Substrates Surface Treatment:
The substrates should be clean and dry and of no grease, dust, or other contaminations. The substrates can be cleaned by alcohol or acetone. If the metal surface is coated with primer, or the surface is polished, the adhesion can be improved significantly.

3.Well Mixing
The resin should be uniformly stirred before it is mixed with the hardener (8200). Mix the two components uniformly. Mix for 1-2 more minutes after the two components color is well mixed. Use up the mixer as soon as possible before its pot life, or less frequent principle can be taken.

4.Adhesive Coating:
The adhesive can be coated with spreading machine, rollers or serrated scrapers manually. The adhesive should be coated uniformly on the substrate surface. The recommended dosage is 200-400G/M2. The dosage varies with the roughness of the substrate surface.
The adhesive should be coated within its pot life.

5.Pressing:
Substrates have been coated with adhesive should be pressed within open time, or the adhesion strength will be affected. Raise the compounding pressure as high as possible without affecting the material forming.

6.Pressing time
The curing speed and the time to form adhesion vary with the temperature. The curing speed is slower and it takes longer time for pressing as the temperature is lower; The curing speed is faster and it takes shorter time for pressing as the temperature is higher. The pressing time is 4 hours under 23.

7. Working Condition
Recommended working condition: Temperature 5-30, relative humidity <80. The curing speed will be affected if the temperature is too low. And too much bubble will be formed if the humidity it too high.

Shelf Life

When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 9-12 months. The shelf life of polyurethane sealant is related to the temperature and humidity of the environment. The recommended storage temperature is 5-25° C, humidity is <50% RH. It is strictly prohibited that the transportation or storage temperature is over 30° C or the humidity is over 80% RH. And high-temperature container transportation is prohibited as well. In the long-time high temperature and high humidity storage environment, the product is easy to get viscous, extrusion will be deteriorated and shelf life will be shortened.

Certifications
FAQ

Q1. Can I have a sample order for polyurethane sealant?

A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q2. What about the lead time?

A:Sample needs 1-3 days, mass production time needs 1-2 weeks.

Q3. Do you have any MOQ limit for polyurethane sealant order?

A: Low MOQ, 1 pc for sample if checking is available

Q4. How do you ship the goods and how long does it take to arrive?

A: We usually ship samples by UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping are optional.

Q5. How to proceed an order for polyurethane sealant?

A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly the customer confirms the sample and places deposit for formal order.
Fourthly We arrange the production.

Q6. Is it OK to print my logo on polyurethane sealant product?

A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7: Do you offer guarantee for the products?

A: Yes, for cartridge packing is 9 months and sausage packing is 6 months.

Q8: How to deal with the faulty?

A: Firstly, Our products are produced in strict quality control system and the defective rate will be less
than 0.1%.
Secondly, during the guarantee period, we will send new pu sealant with new order for small quantity. For
defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.


Q9: How to contact us?

By E-mail: xrf(at)co-mens.com

By WhatsApp/Phone: 0086-15001271163

By SKYPE: xu.ruofei1

By Wechat: Bensonxu1990

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