How does this product vary from the 303 Marine formula? I don't understand what the difference is.

I really do not know. I have a boat on a river. I use both products , seem the same to me. The only thing I am thinking , maybe the marine formula has more UV protection since the boat is usually in open sun light.They are both excellent !

Could this product be applied to the outside of a vertical propane smoker with surface temps that can reach up to around 500 degrees?

The simple answer is yes. The material safety data sheet for this product under section 5.1 (flashpoint & method) & section 5.2 (auto ignition temperature) both state not applicable. Under multiple section 2 categories it's stated that there is no inhalation risk. This would support a yes answer. Under section 10.2 (decomposition products) it states heat & co2 will age the product faster. Longevity of the protestant may be short but it appears that it, in theory, is safe. I could not find a temp smoke point. If you try this I may do a test spot somewhere on your smoker before you attempt a full coat.

Can it be used on a black and white cotton umbrella used in Arizonia direct sun to keep from fading ?

It goes on a little like armor All except it dries and leaves a matte finish and is not greasy at all. I am not sure if it would do the same for cotton as it would soak in but I am sure it would be better than nothing at all. Its holding up well on my car exterior so far.

Received the 10 oz. bottle, and it was half full. I picked it up and turned it upside down and the liquid came running out. How can I get $back?

Amazon has a product issue section in their listings as well as in your product order documentation.

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303® Aerospace Protectant - 16oz

Product ID: 48810202

Details

Brand
303 Products
Item dimensions L x W x H
29.5 x 23.2 x
Item weight
16 Ounces
Material
Plastic
Style
Single

⏳Protects surfaces for 3-5 weeks

✨Restores vibrant color & matte finish

🛡️Blocks 99% UV rays

€ 44.30

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Description

🛡️ Keep your world flawless — protect like a pro, shine like a boss!

FOMO PROOF YOUR GEAR - Prevent cracking, fading, and dullness so your ride and accessories always look fresh and enviable.
MULTI SURFACE MASTERY - One spray for vinyl, leather, rubber, fiberglass, and more—versatility that fits your lifestyle.
EFFORTLESS APPLICATION - Spray, wipe, and buff—no residue, no fuss, just premium protection that keeps pace with your busy life.
LONG LASTING MATTE FINISH - Enjoy a sleek, non-greasy matte look that lasts up to 5 weeks per application.
AEROSPACE GRADE UV DEFENSE - Shield your gear with cutting-edge UV blockers designed for aviation-grade protection.

Originally engineered for aerospace, 303® Aerospace Protectant delivers powerful UV protection and surface restoration for vinyl, leather, rubber, and fiberglass. Its water-based formula dries to a clear matte finish, preventing fading, cracking, and dust buildup for up to 5 weeks. Ideal for vehicles, outdoor furniture, spa covers, and more, it’s the ultimate multi-surface defense trusted by millions.

Specifications

ASIN	B00JG3OIFU
Best Sellers Rank	758 in Automotive ( See Top 100 in Automotive ) 24 in Motorhome Parts & Accessories 114 in Vehicle Oils & Fluids
Brand	303 Products
Colour	clear
Compatible Material	Vinyl, Plastic, Rubber, PVC, Metal, Gel Coat, Fiberglass, Stainless Steel
Country Of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (4,170)
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00082043303089
Item Dimensions	29.5 x 23.2 x 15.9 centimetres
Item Form	Spray
Item Type Name	Aerospace Protectant
Item Weight	16 Ounces
Manufacturer	Gold Eagle Co
Manufacturer Part Number	30308CSR
Material	Plastic
Model Number	30308
Number of Items	1
Number of Packs	1
Style Name	Single
Surface Recommendation	Plastic, glass, polyvinyl chloride
UPC	082043303089 785422700607
Unit Count	473.0 millilitre
Water Resistance Level	Water Resistant

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 44.30

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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