One Component Car Bus Body Auto Glass Polyurethane Black Mastic PU Sealant For Windshield Crack Repair sealant

Product Description
One Component Car/Bus Body Auto Glass Polyurethane Black Mastic PU Sealant

PU814 is one component room temperature moisture curing modified polyether sealant, with excellent sealing performance and excellent cohesion, no corrosive to the substrate to be adhered, no pollution to the environment, good adhesion to metal and other substrates.

Key Features
1. Extrusion and thixotropic excellent, easy to scratch modification, curing does not produce air bubbles.
2. The surface can be polished, can be painted.
3.Solvent-free, environmental protection, non-yellowing, excellent anti-ultraviolet performance.

Tchnical Data Table


PROPERTY
VALUES
TYPICAL VALUES
Color
White
/
Density g / cm3
standard value ±0.1
/
Extrusion rate ml/min
≥80
100
Sag mm
0
0
Tack free time min
20~60
50
Curing speed mm/d
≥3.0
3.5
Volatile content %
≤3
2
Hardness Shore A
30~45
35
Tensile strength MPa
≥3
3.5
Elongation at break %
≥350
400
Operating temperature℃
-40~90
-40~90
Typical Applications

1.The body of sheet metal, weld, box seal, roof, machinery, air-conditioning fan groove joints and other parts of the bonding and sealing.
2. Most of the plastic parts (such as ABS, PVC) bonding and sealing.

Application Tips
1. Adhesive substrate surface must be clean and dry, no dust, oil and water.
2. Ambient temperature and humidity on the polyurethane adhesive surface dry and curing a large impact, too low curing slow, high table is dry fast, the construction environment temperature 5 ~ 35 ℃, humidity 50 ~ 70% RH. When the temperature is lower than 5 ℃, it is recommended to place the product in the environment of 30 ~ 40 ℃ for 1 hour and then use it again (the heating time should not exceed 3H).
3. Tear the inner mark, the appropriate size of the nozzle to cut the size of the model, the plastic nozzle at the glue mouth, into the glue gun, sizing.
4. Point part of the scraper or hard foam can be used to carry out the modified level, part of the details of the modified place can be wiped with soapy water.
5. To be painted in advance to do the compatibility test, dry before the table can be painted, completely cured before exposure to baking temperature, or it will bubble.
Related products


Pu812
Pu814
Work Flow
Certifications
Our company
SEPNA is a professional adhesive factory and the best adhesive solution supplier.

Since the company's founding, Sanna Chemical has been focusing on the automotive adhesives industry, dedicated to the development and application of automotive adhesives, and in 2005 acquired the Swiss PUNADE technology.

Since the company's founding, Sanna Chemical has been focusing on the automotive adhesives industry, dedicated to the development and application of automotive adhesives, and in 2005 acquired the Swiss PUNADE technology.



Exhibitions
Coporation Brand
Our customers
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FAQ
1.Q: Delivery time?
A: Normally, the delivery of sample order is 7 to 10 days, for standard order, 15-20 days.
2.Q: How to get samples?
A: Normally, Sepna offers our customer 1-2 pcs or 50-100 g free samples for quality testing.3. Q: How to be Sepna's distributor?
A: As the growing of Sepna's global business, we need to find more and more distributors and agents worldwide. Sepna will provide the best solution and service for our partners.
For more information, pls contact our salesperson or call us: +86-400-882-13234. Q: Any OEM service?
A: Yes. Sepna can offer the customer OEM label service, and will give the protection of the your right in your market.5. Q: Do you have MOQ?
A: Yes. Normally, MOQ is 2000pcs or 1000kgs