ABOUT WONSTAR
WONSTAR the esteemed company in china established more than a decade which specialized in adhesive products, such as silicone sealant,PU foam,epoxy gap filling sealant,pvc/cpvc glue and other construction adhesives.With more than one decade development WONSTAR product is well known at china and other world countries,We stick to the principle of winning market by quality, credibility and honesty,from choosing of raw material,pre-production inspection of semi-finished product to finished product. Wonstar make great efforts in the whole production process .Because of our accuracy,quality and honesty we win customer heart and we develop well with our lots of customers around the world.We get more confident from our customers and their kind support.We continue our research and experiments for new products and we will bring always new page of adhesive
We are manufacturer in China for many years. Focus on dealing with types of Pu Sealants,. Different
quality, different prices to meet most of the customers' needs from all over the world. Warmly to contact us at any time, by any way. You could restassured of our soonest and effective response!
Moisture Curable Multi Purpose Polyurethane Adhesive Sealant
Product Description
BU SEAL 8318 is a one-component, moisture-curable, polyurethane-based, elastomeric adhesive sealant. After curing, it provides a permanently elastic bond to fasten materials with different coefficients of expansion.
Advantage:
1: Good Adhesion to a wide range of substrates.
2:Cures rapidly to a permanently elastic consistency with excellent cut and tear resistance.
3:Low odor, non-staining.
4:Surface paintable with water, oil, and rubber based coatings.
5:Non-corrosive.
6:Provides shock resistance and vibration damping.
7:Exhibits high recovery, making it ideal for sealing dynamically moving joints.
8:Weather resistant.
Technical Data |
|
Chemical base |
1-C polyurethane |
Color |
Black, white, grey |
Cure mechanism |
Moisture-curing |
Density |
1.35 ± 0.05 kg/l |
Non-sag properties |
Good |
Application temperature |
5°C-35°C |
Tack-free time* |
40-60 min. |
Curing speed* |
≥3.5mm/24 hrs |
Shore A hardness |
~40 |
Tensile strength |
≥1.5 N/mm2 |
Shear Strength |
~1 N/mm2 |
Elongation at break |
≥450% |
Tear propagation resistance |
≥6 N/ mm |
Service temperature (permanent) |
-40°C to +90°C |
Short - term (1 day) |
120°C |
(1hour) |
140°C |
*= at 23°C and 50% relative humidity |
|
Applications:
1:Vehicle bodies and cab construction including panels, underbody components, and roofing.
2:Front and rear spoilers, auto trim, moldings, body seams, and welded joints.3. Waterproofing exterior lap seams in many applications, including truck trailers, RV's, metal roofs, window perimeters, grain bins and HVAC units.
3:Waterproofing rivet seams.
4:Sealing of exposed and concealed joints of aluminum, steel, coated metals, wood, roof rails, and door hinges in transport equipment.Sealing and caulking expansion joints, pre-cast concrete panel joints and joints between logs on log homes.
Process:
Cleaning:
Clean surface with a strong jet of compressed air, sandblast, or solvent to ensure the surface being clean, dry, free of oil, grease, and of sound quality.
Activating/Priming:
Activators and/or primers may be required to achieve optimal adhesion depending on the nature of substrates.
Application of sealant:
Cut tip to desired shape and size. Puncture airtight seal. Install with hand or power operated gun and extrude the sealant into the joint. Clean excess sealant using hard rubber plate or finger wet with soap solution.
Package:
310ml cartridge,300ml, 400ml and 600ml sausage
Storage:
When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 9 months (cartridge), 6 months (sausage)
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.
Caution:
The product contains isocyanates, which may cause skin and eye irritation. Avoid eye-contacting and ingestion.
Company Name: |
Yiyang Wonstar Building material . Co.,Ltd |
Year Established: |
2011 |
Products: |
Silicone Sealant, Polyurethane Foam, PVC glue,CPVC glue and PU sealant |
Markets: |
Middle East, Africa, EU, America, South East Asia,etc |
Factory Location: |
Shandong, China |
Staff No.: |
Over 100 |
Platform: |
Made in China, Official Website, Canton Fair and Abroad Fair,etc |
Ability: |
20-25 containers a month. |
Experience: |
More than 15 yearsin international market |
Advantage: |
High reputation among our customers worldwide all these years on products stable qualities, best reasonable prices and professional, patient services. |
FAQ
1. Can you send sample to us?
Yes, we can send free sample to you to check and confirm the quality before order.
2. Can you do our private design?
Yes and warmly welcome, we would like to do the help.
3. Where is the port?
Tianjin
4.Can you provide with us about your customers information for ref.?
Yes for the customers who agreed, warmly welcome to check our company reputation
and sample collection.
5. How many days do you produce one 20' container?
Maximum 15 days.
6. Can we visit the factory?
Yes, warmly welcome at any time to evaluate our factory and talk face to face.
7. Documents?
Packing list, commercial invoice, CO / FORM E / FORM A , BL making according to your demand.