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1315 Review
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Review on Dow Automotive U-428 Plus Beta Seal Glass Adhesive: Superior Black Adhesive for Strong Bonding by Trae Joubert

Revainrating 1 out of 5

Very similar to 3M Window Weld.

I was looking for a cheaper product like window welding to fill some cavities in the motor mounts/bushings. Works basically the same as window welding, which I've had good luck with in the past, with similar working properties and stiffness after curing. Recommended for similar purposes. It is not interesting to work with the product. I heated it in the oven at 175 for 15 minutes and it was still pretty hard to shrink but that was to be expected. Came off my hands and tools quite easily with just the help of the dawn and a rag if they weren't hardened.

Pros
  • Adhesive cures to bond to substrates and existing urethane adhesive bead.
Cons
  • Long Lead Time