So do you have to be dead on perfect the moment you set the glass, or can minute adjustments be made once it's down?

It takes 48 hours to cure. You have 5 to 10 min before you can't adjust window anymore. Side note. Urathan will stain anything it touches even your skin. So be very careful and don't use more than you need to.

What durometer does this stuff cure to?

Hi Travis! Thank you for your question. The 3M 08609 Window-Weld Super Fast Urethane has a 55-60 Hardness (Shore A).

Will 3m 08693 auto glass urethane secure the rear glass to a canvas convertible top? sides and bottom have separated and need to be glued.

Yes. I purchased a small piece of convertible roof fabric on ebay which matched my convertible's black top and I cut it to fit the lower part below therear window with about a one inch overlap onto the window. I followed the adhesive directions and glued the new material right onto the window andthe old convertible fabric. I let it sit for 48 hours. Today, you can hardly notice it was repaired and the adhesive still adheres to the glass.

3m Urethane Super Fast Cartidge Black 10 Oz

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Description

🚀 Bond it fast, bond it strong — the pro’s choice for flawless auto glass repair!

SPEEDY 1 HOUR CURE - Get vehicles back on the road faster with a rapid, reliable bond.
UNIVERSAL COMPATIBILITY - Perfect for windshields, rear & quarter glass on cars, trucks, and SUVs.
READY TO USE CONVENIENCE - Single-component urethane requires no mixing—just load and apply with any standard caulking gun.
PROFESSIONAL GRADE STRENGTH - 1000 psi tensile strength delivers OEM-level durability and weatherproof sealing.
PRECISION NO MESS APPLICATION - Medium viscosity formula ensures clean, drip-free adhesive placement every time.

3M Urethane Super Fast Cartridge is a professional-grade, single-component adhesive designed for rapid windshield and auto glass bonding. Featuring a fast 1-hour cure time and medium viscosity for no-drip application, it delivers a permanent, weatherproof seal with 1000 psi tensile strength. Compatible with standard caulking guns and suitable for a wide range of vehicles, it minimizes downtime while ensuring OEM-level durability and leak prevention.

Specifications

ASIN	B000FW61EW
Best Sellers Rank	#1,816 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Urethane Adhesives
Brand Name	3M
Color	Black
Compatible Material	Glass
Container Type	Cartridge
Customer Reviews	4.6 4.6 out of 5 stars (4,456)
Full Cure Time	1 hours
Global Trade Identification Number	00051135086094
Included Components	Window-Weld
Item Form	Paste
Item Package Quantity	1
Item Type Name	Urethane Super Fast Cartidge
Item Weight	14.4 ounces
Manufacturer	3M
Material Type	Urethane
Model	08609
Number of Pieces	1
Other Special Features of the Product	1.Professional Auto Glass Bond 2.Easy, No-Mess Application 3.Super fast 1-Hour cure 4.Easy caulking 5.OEM Strength
Part Number	08609
Specific Uses For Product	1.Windshield Replacement 2.Back/Side Glass
Tensile Strength	1000 psi
UPC	051135086094
Unit Count	10.5 Fluid Ounces
Viscosity Level	Medium
Volume	10.5 fluid ounces
Warranty Description	New out of box defects
Water Resistance Level	Water Resistant

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Bs.1354

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

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The delivery time was excellent, and the packaging was secure.