Can JB Weld structural plastic adhesive be used as body fill

I am repairing a cracked plastic bumper cover. Most of the work is done from the back side using JB Weld structural plastic adhesive and fiberglass drywall seam tape. There are two holes that need to be filled. I used the JB Weld structural plastic adhesive as a filler but am concerned the primer and paint won’t stick to it. I am thinking of cutting it out, backing the hole with the fiberglass tape, and filling the holes with Bondo Bumper Repair Kit, 00280, .34 fl oz. What are your thoughts?

Rough pin holes : r/polymer80

J-B Weld Plastic Bonder - World's Strongest Bond

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PlasticBonder is a quick-setting, two-part, urethane adhesive system that provides strong and lasting repairs and works on thermoset, carbon fiber composites, thermoplastics, coated metals, concrete & more. PlasticBonder has a 1:1 mixing ratio, sets in 15 minutes and can be sanded after 30 minutes. With a tensile strength of 3770 PSI, PlasticBonder sets black in color and cures to a hard, permanent bond.

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JB-Weld 50139 Plastic Bonder Body Panel Adhesive and Gap Filler Syringe 2 PACK

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J-B Weld 50139 Plastic Bonder Body Panel Adhesive and Gap Filler Syringe - Dries Black - 0.25 Milliliter (2 Pack) : Industrial & Scientific

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J-B Weld 50139 Plastic Bonder Body Panel Adhesive and Gap Filler Syringe, 2 tube

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J-B Weld 50139 Plastic Bonder Body Panel Adhesive And Gap Filler Syringe - Black

J-B Weld 50139 Plastic Bonder Body Panel Adhesive and Gap Filler Syringe - Black - 25 ml : Industrial & Scientific

PlasticBonder is a quick-setting, two-part, urethane adhesive system that provides strong and lasting repairs and works on thermoset, carbon fiber composites, thermoplastics, coated metals, concrete & more. PlasticBonder has a 1:1 mixing ratio, sets in 15 minutes and can be sanded after 30 minutes. With a tensile strength of 3770 PSI, PlasticBonder sets black in color and cures to a hard, permanent bond.

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