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Fast Curing Windscreen Sealant

Detailed Product Description PU8636 is one component auto glass polyurethane adhesive, mainly use for repairing and replacement of windshield and side glass.Features1. 3 hours safe driving away

If you are planning to wholesale best cheap and high quality fast curing windscreen sealant China, or hot sale fast curing windscreen sealant in China from professional odorless pu sealant, odorless car glass sealant, no odor pu car glass adhesive, odorless automotive adhesive, odorless windshield urethane sealant manufacturers and suppliers and factory, please feel free to contact SEPNA, and welcome to check products price with us.

Auto glass polyurethane adhesive PU8636

◆Detailed Product Description

PU8636 is one component auto glass polyurethane adhesive, mainly use for repairing and replacement of windshield and side glass.


1. 3 hours safe driving away

2. High strength and high elasticity, good adhesion and cohesion that makes the bonding and sealing elastic and durable.

3. One component, moisture curing with fabulous thixotropy. No sag or flow phenomena within

30mm perpends. The application is convenient.

4. No solvent, no corrosion or pollution to basic material. Also no pollution to environment.

5. Good sealing property , puncture resistance, water proof, oil resistance and aging resistance.


Specially used for repairing and replacement of windshield and side glass of passenger car, cars and special vehicle etc.

◆Data Table

Model Number

PU 8636

Main Raw Material



Black Paste





touch dry time


Curing speed


Shore A-hardness


Tensile strength


Tensile-shear strength


Application temperature


service temperature


Shelf life

9 Months


①All data above were tested under standardized condition.

②All data listed in the chart were for the generalized item in the series; please refer to the related data sheet for special items.

③Storage condition has a direct impact to the products’ shelf life, Please refer to the instruction for special items’ stori



1. The primer is necessary to use before gluing.

2. It needs to be tested before using this adhesive, primer and cleaner etc. to bond the basic material, to make sure they have good compatibility. And make sure that the adhesive, primer and cleaner are qualified product within shelf life.

3.Please application strictly according to the application technology, any wrong steps may cause the failure of the bonding

4.The primer bottle needs to be shaking up and down for making it even at the first using. Brush evenly the primer to be full covering and take a full consideration of the contact width between adhesive and basic material. Make sure that the width of primer is larger than the adhesive.

5.The primer can’t be used if opening more than 3 hours.

Operation tools and materials

1.Operation tools: Air or hand guns, paper knife, steel wire, cotton ball.

2.Bonding materials: PU8636 auto glass adhesive, cleaner, primer, masking tape. ( 310ml cartridge adhesive use with 4ml cleaner and 4ml primer).

3.Environment: proper operation temperature: 5-35℃, humidity 35%-85%.

Windshield replacement

1. Remove decorative rubber strip: Remove the decorative rubber strips from the all sides of windshield and clean the strips.

2. Stick protection tape: Stick the tapes around the windshield for avoiding the car body from getting scratch when reassembling the auto glass.

3. Reassemble auto glass: Use wire to cut the adhesive on the glass, take the broken glass down.

Notice: Don’t touch the car body, avoid scratching the paint on the body.

4. Use tools like knife or scraper knife to clean the remained adhesive on the frame.

5. Assemble test: Pretend to put the glass on the frame to check if the glass can fit the frame and mark the position.

6. Basic material cleaning: Use glass cleaner to clean up the new windshield.

7. Pretreatment of basic material: 1) Use absorbent cotton cloth to dip a little cleaner, clean along the glue parts of the auto glass and frame to make sure that there's no oil,dust and other impurities. 2) Stick the inside of glue parts with sponge rubber strip or protective paper tape for

protection and avoid the pollution of non-glue parts when press the adhesive. 3) Brush the primer on the cleaned edge of auto glass, the width should be 1.5-2.0 times larger than the glue

width.( the curing time of primer is 10 mim)

8. Assemble rubber strip: Assemble decorative rubber strip around the glass.

9. Preparation before adhesive operation: use knife to cut a proper triangle mouth on the nozzle(the size of the triangle mouth will influence the width and height of the adhesive strip, see detail in the chart below).Then use sharp goods like screwdriver to impale the top and bottom of

the cartridge, put the cutting nozzle on the top and screw down, then put it into the glue gun;

Adhesive content





Height of the triangle mouth





Width of the triangle mouth





Length of the adhesive

About 4.1m

About 3.1m

About 5.17m

About 3.9m

10. After the primer is dry, use the gun to glue the adhesive evenly on the glue parts.Put the thickness location blocks into the glued adhesive strip, the width of the block should be slightly smaller than the glue width, the amount is depending on the needs.

11. Before the surface dry of the adhesive, put the auto glass on the hold block, adjust the position of auto glass from left, right, up and down to make the around gap even. Push the auto glass tightly to let the air window and the around of seam allowance be a plane.

12. Use tape to fix the auto glass, fill the gap between the glass and frame with adhesive rubber or adhesive

13. Safe driving away time after assembling auto glass ( in standard condition): 3 hours.


1. Avoid moisture, rain, sunshine and high temperature, away from heat source, handle with care and avoid pushing and crashing.

2. The adhesive is non-toxic after cured. Avoid contacting with eye and skin before curing, or scrubbing immediately with soap water or alcohol, then wash with water. In case of accident or if you feel unwell, seek medical advice immediately.

3. Influence by unproper use and bad conditions: bad ventilate or low humidity will slow the curing.

◆Package and Storage


Keep in cool dry and ventilative place

400ml sausage, 20pcs/carton                   



Temperature≤25℃, humidity≤50%RH 

Shelf life:≥9 months in original package,                                            

If over 9 months, it still can be used if test to be qualified

◆Safety Operation Material

MSDS isn't included here. Please read TDS, MSDS and label carefully before operation.You can get MSDS from SEPNA or other distributors, or mail to service center, or call+86-400-882-1323.

◆Product Warranty

All product properties  and application details  based on information believe to be reliable and accurate. But you still need to test its property and safety before application. The advices we supply don't apply in any circumstances. SEPNA don't make assurance of any other applications outside the specification until SEPNA supply a special written guarantee. SEPNA is only responsible to replace or refund if this product is defective within the warranty period stated above. SEPNA makes it clear that will not be liable of any accidents.

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