Polyurethane Sealant for Auto and Bus Factory Windshield Glass Sealing

• After-sales Service: Yes
• Warranty: 12months
• Type: Polyurethane Sealant for Windshield
• Material: Polyurethane
• Bonding Faction: Instant Adhesive
• Application: Automobile
• Model NO.: 3668
• CAS No.: Reference to MSDS
• Main Agent Composition: Polyurethane Elastomer
• Features: Environment Friendly & Solvent-Free & Primerless
• Characteristic: Waterproof
• Delivery Time: 7-10 Days
• Color: Black
• Shipping: by Sea/Air/Express/Load
• Density: 1.20±0.05 Kg/L
• Cure Mechanism: Moisture-Curing
• Non-Sag Properties: Good
• Shore a Hardness: ~ 60
• Shear Strength: ≥ 5 N/mm^2
• Certificate: ISO9001 ISO14001 IATF16949
• Transport Package: Pallet/Carton/Box/Drum
• Specification: 310ml cartridge/400ml sausage/600ml sausage/200KG
• Trademark: Surtek
• Origin: China
• HS Code: 3506100090
• Production Capacity: 72000000PCS/Year

Product Description

Description:
Surtek 3668 is a one component, solvent free, high strength polyurethane adhesive sealant. It is non-sag, curing fast, of good initial strength. It does not contain solvent or PVC. And it has good vibration and weather resistance. The product is manufactured in accordance with ISO9001/ISO14001/TS16949.


Characteristics:
One component, easy to apply
No sagginess, easy to apply in vertical surface
Fast cure
Solvent free
Aging resistant


Uses:
Surtek 3668 is used for windshield direct glazing. It is widely used for structural bonding and installation for windscreen of car, bus, train, boat, ect.







Application Note:
1. Use Comensflex Activator to make the substrate surface clean, dry, free of dust or grease.
2. Shake Comensflex Primer bottle to make the material even before using it. Use brush to apply the primer onto the cleaned surface for a thin layer.
3. Apply the sealant after the primer dried. Install the glass before the sealant tack free. The best working temperature is 20-30°C, humidity 50-70%
4. The sealant cures with moisture in the air. The lower the temperature and humidity is, the slower the curing is; and the higher the temperature and humidity is, the faster the curing is. Too high temperature and humidity may cause bubble in the cured sealant.
5. Avoid the adhesive sealant from alcohol, acid, ammonia chemicals. These chemicals will cause the adhesive sealant uncured.


Technical Data Sheet of Surtek 3668:

Appearance	Uniform Paste
Color	Black
Density	1.20 ± 0.05 kg/l
Tack-free time*	20~40 min
Rate of cure*	~3.5 mm per 24 hrs
Shore A hardness	60±5
Tensile strength	≥8 /mm^2
Elongation at break	≥400%
Tear strength	≥10 N/mm
Shear strength (without primer)	≥5 N/ mm^2
Service temperature (continuous) Short - term (up to 48 hrs)	-40°C to +90°C 130°C

Specification:
Cartridge: 310ml/cartridge, 20 cartridges/carton
Sausage: 400ml/sausages, 600ml/sausage, 20 sausages/carton
Drum: 200L/drum


Storage and Shelf Life:
When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 9 months.
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.


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