The 3 Best grey Filler primers (2023 reviews)

grey filler primers
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Are you planning to buy grey filler primers, and are you confused about the options ? You have come to the right page.

Our review process:

Our Top Picks:

SEM etch Primer
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SEM grey Filler Primer
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Roberlo grey Filler Primer
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SEM etch Primer

SEM etch Primer
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If you often find yourself confused about convenient and suitable primer, sem etch primer should be your first option for buying. It is mainly for bare metal. It goes on smoothly, dries quickly, and produces a nice even finish. It really does allow spray paint to adhere nicely. It is impossible to scratch it off with a fingernail or to have it lift off after peeling away masking tape. This will ensure that the paint penetrates the aluminum surface.

The primer works, but the spray pattern + consistency makes it much easier to use. It will tell you the temperature range. The harshest conditions, bonds to the metal well, and leaves a nice, durable, matte gray finish.

Why We Like This:
  • Allows the topcoat to level and flow to bring out the gloss
  • Good brand reputation

SEM grey Filler Primer

SEM grey Filler Primer
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If you are looking to buy a suitable primer for your daily purpose, sem grey filler primer is the right option. The SEM 42013 High Build Primer Surfacer provides superior adhesion, film build and flexibility when priming automotive metal, aluminum, urethane, plastic and other similar substrates. It holds solid and is perfect almost on any surface including covering rust after a few coats before sealing and painting over. Even one coat of this primer has enough build properties to cover most imperfections and then a light dry or wet sanding on it gets it looking perfect.

The high build primer is used under the top coat, to fill any scratches or minor imperfections while finish sanding, and self-etching is used only on bare metal, under any body filler, or other primer. It allows the paint to flex a little. This stuff is good to use before you put your color coat on. This is not heat resistant paint you need to use a heat resistant product.

Why We Like This:
  • Great for auto body work when you need to do
  • Works like a champ for filling scratches and creating transitions
  • Top coat with most refinish material
  • Will not peel/crack or react to any paint like other rattle can primers

Roberlo grey Filler Primer

Roberlo grey Filler Primer
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The roberlo grey filler primer is capable of outshining several other primer featured in this list in overall features for the price point. It can be used as high build, medium build. It is easy to sand in both dry and wet sanding. It is ideal for partial repairs or air drying.

Why We Like This:
  • Fast curing even in low temperatures or high humidity environments
  • Great adhesion and insulating power to putties, other primers, and properly sanded hardened paints
  • Very fast drying times ideal for partial repairs or air drying