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🎯 Nail every paint job with SEM 39863 – the secret weapon for flawless adhesion!
SEM 39863 Plastic Adhesion Promoter is a 14.8 oz aerosol spray designed to dramatically improve paint and repair material adhesion on challenging plastics like PP and TPO. Ideal for prepping flexible, rigid, and painted surfaces, it ensures a durable, professional finish trusted by automotive and furniture repair pros alike.
| ASIN | B007VTSRZ8 |
| Best Sellers Rank | #16,189 in Automotive ( See Top 100 in Automotive ) #73 in Automotive Fillers, Adhesives & Sealants |
| Brand | SEM |
| Brand Name | SEM |
| Color | clear |
| Colour | clear |
| Compatible Material | Plastic |
| Container Type | Aerosol Can |
| Customer Reviews | 4.7 out of 5 stars 661 Reviews |
| Item Form | Spray |
| Item Package Quantity | 1 |
| Item Weight | 1 Pounds |
| Item form | Spray |
| Manufacturer | SEM |
| Material | adhesion promoter |
| Material Type | adhesion promoter |
| Model | 39863 |
| Other Special Features of the Product | Promotes adhesion to problem plastics such as PP or TPO and repair materials |
| Part Number | 39863 |
| Special features | Promotes adhesion to problem plastics such as PP or TPO and repair materials |
| Specific Uses For Product | Repair, Furniture |
| Specific uses for product | Repair, Furniture |
| UPC | 646786398636 |
| Unit Count | 14.8 Fluid Ounces |
| Viscosity Level | Low |
| Volume | 14.8 Fluid Ounces |
| Water Resistance Level | Not Water Resistant |
J**K
Cladding paint prep is esential.
Use as a prep before you repaint cladding. Works great.
T**.
Works very well..
Worked great on plastic and very well on metal. Paint sticks even is very durable on top of adhesive’
E**T
Got the job done
Great adhesion
L**Y
Works as stated.
I painted a couple filler panels between tank and fairings on my Honda motorcycle. I used this as it was recommended by SEM, also the maker of the top coat I had chosen. It goes on thin so no real buildup in thickness of the paint which is desirable. If you follow directions it will not run. I top coated using multiple light coats and the result is a professional looking paint job. These products are not cheap but sometimes you have to do it right when painting a high value project. I would recommend this product to anyone.
V**2
Performed amazingly.
Did its job helping me epoxy and patch a hole in a plastic bumper on a 2020 Traverse. I've done similar jobs without using this and I can say the adhesion time was noticeably quicker and cured out stronger as far as I can tell.
Trustpilot
2 weeks ago
4 days ago