How would this look if I used it on cement? I ask because I have a sculpture made from cement.

If you are just spraying the Ultimate Backer, then it would be a low gloss black. If you intend to make your sculpture look like chrome, then the surface of your cement should be as smooth as possible before applying the Backer and Chrome sprays.

Can this be used as a backer for regular polycarbonate paint...or is it just for mirror chrome?

It is a lacquer based primer so I would say you can overcoat with any lacquer based paint.

Will this work on my rc car body?

It'll work as it's nothing but silver paint in a rattle can. Nothing in a can truly replicates actual chrome.

would this give a mirror effect to matte silver metal?

I don’t think so. I used it to spray a wine bottle and you can see through it but no reflection at all.

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Spaz Stix Ultimate Backer for Mirror Chrome Aerosol Paint, Black, 3.5-Ounce

Product ID: 6993086

Details

Brand
Spaz Stix
Color
Black
Finish Type
Semi-Gloss
Item Volume
100 ml
Paint Type
Acrylic Enamel
Size
3.5 Ounce of

✨Enhances mirror chrome reflectivity

🖤3.5 oz premium black backer

🚗Safe for Lexan plastic surfaces

4026 som

Duties & taxes included

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Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Elevate your custom paint game with the ultimate black backer boost!

MADE IN THE USA QUALITY - Crafted with precision for hobbyists who demand the best
SPRAY READY CONVENIENCE - Ready to use straight from the can for instant impact
VIVID FLEXIBLE FORMULA - Ensures durable, vibrant coverage that resists cracking
SPECIALIZED LEXAN COMPATIBILITY - Formulated to bond flawlessly with clear plastic bodies
MIRROR CHROMES PERFECT PARTNER - Seals & protects without dulling shine

Spaz Stix Ultimate Black Backer is a 3.5-ounce aerosol paint designed specifically to seal and protect Spaz Stix Mirror Chrome finishes without compromising their reflective brilliance. Made in the USA, this acrylic-enamel formula is safe for use on Lexan plastic surfaces, providing a flexible, semi-gloss finish ideal for interior hobby applications. Trusted by over 400 users with a 4.3-star rating, it’s the go-to choice for professional-grade custom paint projects.

Specifications

ASIN	B00ARUXNDE
Age Range Description	Adult
Brand Name	Spaz Stix
Color	Black
Coverage	Full
Customer Reviews	4.3 4.3 out of 5 stars (435)
Finish Type	Semi-Gloss
Global Trade Identification Number	00739792057779
Item Form	Aerosol
Item Volume	100 ml
Item Weight	5.6 ounces
Manufacturer	HRP Distributing, Inc.
Model Name	SZX10209
Model Number	SZX10209
Paint Type	Acrylic, Enamel, Spray
Part Number	10209
Size	3.5 Ounce (Pack of 1)
Special Features	Reflective
Specific Uses For Product	Interior
Surface Recommendation	Plastic
UPC	739792057779
Unit Count	3.5 Ounce
Warranty Description	No Warranty

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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