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🚗 Shine smarter, not harder — the future of car care is here!
303 Products 30236CSR Graphene Nano Spray Coating delivers a durable, 12-month protective layer using advanced graphene oxide technology. It reduces surface temperature to minimize water spots, creates a high water contact angle for superior hydrophobicity, and enhances gloss and clarity. Easy to apply without prior paint correction, it bonds quickly—even in direct sunlight—and protects multiple surfaces including paint, glass, wheels, and trim.





| ASIN | B08K3N5QP5 |
| Age Range Description | Adult |
| Best Sellers Rank | 121,164 in Automotive ( See Top 100 in Automotive ) 93 in Gloss Seals for Car Paints |
| Brand | 303 Products |
| Brand Name | 303 Products |
| Colour | Black |
| Colour Code | FFFFFF |
| Container Type | Tin |
| Coverage | Protection against environmental factors, including water, temperature changes, and potential surface damage for up to 12 months, with enhanced gloss and clarity |
| Customer Reviews | 4.3 out of 5 stars 4,988 Reviews |
| Dry Time In Hours | 0.17 |
| Finish Type | Gloss |
| Finish type | Gloss |
| Full Cure Time | 10 Minutes |
| Included Components | painting |
| Indoor Outdoor Usage | Outdoor |
| Is Waterproof | True |
| Item Form | Aerosol |
| Item Type Name | Graphene Nano Spray Coating |
| Item Volume | 473 Millilitres |
| Item Weight | 454 g |
| Item volume | 473 Millilitres |
| Manufacturer | 303 Products |
| Model Name | 30236CSR |
| Model Number | 30237 |
| Paint Type | Spray |
| Part Number | 30237 |
| Size | 473 ml (Pack of 1) |
| Special Features | Car Care, Car Cleaning |
| Special feature | Car Care, Car Cleaning |
| Specific Uses For Product | Exterior |
| Surface Recommendation | Glass |
| UPC | 082043302372 082043302365 |
| Unit Count | 473.0 millilitre |
| Water Resistance Level | Waterproof |
H**Y
Buy!
Used many polish sprays, this one is definitely the best. Easily put it on after I had the car washed a month ago, had it washed again and car still shining, water still beading and running off.
D**K
The best you can buy
I have tried many Graphene products and this is by far, the best. Easy to apply, goes a long way and easy to remove. Leaves a glass-like shine and great water beading. Try it, you won’t be disappointed!
M**E
Does what it says
Use for the first time , best stick to the product u use best . Prefer gtechniq liquid crystal instead.
B**L
Better than ceramic detailer
I've used many detailers in the past but without a doubt this is the best! It is really easy to use. Just wipe on, allow to mist and wipe off. You don't need to clay beforehand. It bonds easily. You don't need to cure it out of the sun. Best of all it can be used on glass and plastic to equally brilliant shine. I've not used something this easy, which gives a lovely liquid shine, is very aquaphobic, can be used on multiple surfaces (I'm amazed at how good it is on glass) and seems to last. Brilliant.
H**8
3-4 months at best
As an enthusiast of looking after cars, I approached this product with caution. I prepped two cars, washed, clay barred and then applied in early spring. Application is great, spray on a cloth and polish off with little effort. It can be used on the glass and plastic trim. I allowed to cure after a few dry days. 12 months? Nope. I got 3 at a push on the bodywork, but still clinging on to the glass. After 4 months I applied a 2nd coat and then applied the graphene detailer from 303. This enhanced the gloss and seems to have helped the longevity of the nano coating. I won't apply another coat of nano spray, but will maintain it using the graphene detailer. It shouldn't need a further product for it to work, but it does. So, for me this isn't a great claim. It is a good product given its price, but don't believe the 12 month hype. Note that this was the same on both of our cars.
L**E
Amazing oroduct
Amazing, even though it's black
S**Y
The best car shine product I’ve ever used !!!
This stuff is amazing, used many waxes & ceramic coating over the years and 303 graphene nano beats them all , super easy to apply and buff off and it leaves an amazing super deep gloss shiny finish with up to a 1 years protection. At £19.99 it’s a no brainier, get it you won’t be disappointed !!!
L**N
Easy to use, not sure how good it will be
Used on the white paintwork and glass of my van. Not worried about a super shine, just a good level of protection. Applied with a damp MF cloth to glass and paintwork. Easy on, easy off with a quality MF cloth that’s designed for glass. Not great on black plastic trim or rubber. Would use Armorall Shield for that, which is the best all round wax l’ve ever used. Maybe Armorall as a base layer and 303 on top, but we’ll see.
R**L
Not good for white cars
Not ideal for white car if you have scratches you might see black lines
T**O
calidad
si funciona
L**S
Good quality product. It does exactly what it's supposed to do. I'm satisfied with the purchase.
Good quality product. It does exactly what it's supposed to do. I'm satisfied with the purchase.
A**S
Schlecht!
Schlecht! Graue Schleier nach applizieren. Lässt sich nicht auspolieren!
M**T
Good stuff if you’re willing to spend the time to buff it out.
I liked 303 products for a long time. When I read about this product being released, I knew I would try it. Very pleased with how well it heads water and the longevity of a thorough application. But be aware — this is not a two second wipe on/wipe off product. Do it in small sections. Buff it thoroughly as per the instructions. Otherwise it will look very dirty. Learned this the hard way on my white vehicle. That said. Even on a white vehicle, this does not impart any off-tinting off the paint once it’s fully applied. Is it as good as a professional ceramic coating? No. But it also costs WAY less. Was easy to maintain too — for the first three months after applying, washing the car consisted of rinsing it with a garden hose. No soap, bucket, or hauling out the pressure washer. If this is your first time doing something like this. I strongly recommend using a clay bar kit to clean the contaminants off your car’s paint before going through the work to get this on and buffed out.
Trustpilot
2 months ago
2 days ago