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.
Surtek 3355: General grade（auto glass replacement）
Color: Black Density (DIN 53479): 1.30±0.05kg/l Non-sag properties Good Tack-free time: 20~60 min Rate of cure: ≥3 mm/24hr Shore A hardness (DIN 53505): 60±5 Shear strength (without primer): ≥2 N/mm2 Tensile strength (DIN 53504): ~ 5 N/mm2 Elongation at break (DIN 53504): 400% Tear strength (DIN 53515): ≥10 N/mm
Color: Black Density: 1.35±0.05 kg/l Non-sag properties: Good Tack-free time: 20~60 min Rate of cure: ≥3 mm/24hr Shore A hardness: 60±5 Shear strength (without primer): ≥1.5 N/mm2 Tensile strength: ≥4 N/mm2 Elongation at break: ≥400% Tear strength: ≥10 N/mm
Surtek 3621: High grade ( auto body joint sealing)
Color: Black, white, grey Density: 1.30 ± 0.05 kg/l Tack-free time: 55 min. Curing speed： 3 mm/24 hrs Shore A hardness： 45 Tensile strength： 2 N/mm2 Shear strength： 1 N/mm2 Elongation at break： ≥400% Tear propagation resistance： ≥10 N/ mm
Car & bus windshield and body application
310ml/cartridge or 600ml/sausage
78 - 133 cartons for one pallet
78 - 133 cartons for one pallet
10 pallets for one 20' GP container
When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 6-9 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.
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