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303 Products

303 Products are innovative, unique, and as 'green' products they are also environmentally friendly. They are designed to fulfill the needs of consumers that the competition leaves unmet. The goal of each 303 product is to improve peoples lives, or save time and/or money. Sunbrella, a world-wide leading manufacturer of marine fabrics and Bimini tops endorses 303 products and suggests their use on Sunbrella products.

Aerospace Protectant

303 Aerospace Protectant offers you the ultimate in UV protection, it's like SPF 40 for all of your stuff. It is the leader in UV screening technology and with its regular use can reduce UV-caused fading by up to 100%. Manufacturers worldwide recommend 303's use because of its cosmetic properties, water repellency, protective abilities and resistance to dust, soiling, and staining.
    Use on:
  • Rubber
  • Latex 303 Aerospace Protectant
  • Neoprene
  • EPDM Seals
  • Wet/Dry Suits
  • Vinyl
  • Hypalon
  • Clear Vinyl & Urethane Vinyl Awnings
  • Convertible Tops & Car-bras
  • Tonneaus
  • Spa & Pool Covers
  • Inflatable Boats
  • And much more...

Fabric Guard

This High Tech Fabric Guard gives the ultimate protection against dirt and stains, and is the world's most recommended fabric protection. Sunbrella endorses this products use on their fabrics and Bimini tops.
    Safe for fine fabrics, including:
  • Wool 303 High Tech Fabric Guard
  • Silk
  • Fine Leathers - even Suede
When used on outdoor fabrics, 303 restores lost water repellency (like on Sunbrella tops and fabrics) and stain repellency to factory new levels.
  • Soiling
  • Impedes Mildew Formation
  • UV Ray Protection

Fabric Cleaner

303 Cleaner is designed for use on any water-safe material to remove difficult stains. 303 Fabric Cleaner
    Use to Remove:
  • Grease
  • Oil
  • Ink
  • Coffee
  • Tea
  • Wine
  • Berry juice
303 Cleaner may be diluted further to assist with general cleaning by adding 1/2 cup or more to a gallon of warm water. For spot cleaning, use full strength or diluted (up to 10-1 or more).

Shower Shield

303 Shower Shield 303 Shower Shield is designed prevent and repel soap scum and hard water deposits in both RV's and boats. Shower Shield saves you from hours of tedious cleaning each month by leaving an invisible, repellent finish that nothing can stick to. Application is quick and easy, it only takes about 3-4 minutes to simply spray-on and wipe-off. Reapply 303 Shower Shield every 4-6 weeks. Like all other 303 products, Shower Shield is a green earth-friendly product that is non-toxic.
    Ideal for use on:
  • Counter Tops
  • cultured Marble
  • Plastic Laminates

Silicone 'Water Repellent' Fabric Treatments v 'Fabric Protectors'?

Silicone water repellent fabric treatments are inexpensive products common in the RV & Marine industry where they are sold to "waterproof" fabric covers, Bimini tops and boat enclosures.

While silicone water repellents have good though relatively short-lived water repellency, they have the following negative aspects:

  • Silicone treated fabrics soil more readily than untreated fabrics.
  • When soiled, silicone treated fabrics are much more difficult to clean than untreated fabrics.
  • Silicone treated fabrics have zero resistance to oil based staining agents such as skin oils, sun tan lotions, smoke and emissions from barbecues, jet engines, cars and boats.
  • Silicone water repellents cause oil based stains to bond almost indelibly to treated fabrics.

True fabric protectors also provide water repellency, but in contrast to silicone treatments, a true fabric protector will cause the treated fabric to resist soiling, will make the fabric easier to clean when it becomes soiled and will resist both water and oil based stains. Though even the lowest grade of fabric protector will typically out-perform any silicone water repellent, silicone products are extremely inexpensive, very common and extensively used by the uninformed.


Does 303 Aerospace Protectant always 'work' on fiberglass?

    Yes, it always works on fiberglass, unless there is something on the surface keeping 303 away from it (i.e. silicone, Teflon, polymer sealant, or fresh wax). If the surface has been freshly waxed, there is no need to remove the wax, instead, just wait a few weeks.

Is 303 Aerospace Protectant safe for plastic windows?

    Yes, 303 protects and dramatically extends the life of clear vinyl windows. Whether in your convertible top, SUV soft-top, or boat enclosures Aerospace Protectant is the ideal product for your plastic windows.

What is the shelf life of Aerospace Protectant?

    If 303 is protected from freezing, it will retain its effectiveness up to 5 years or longer. It is best to store most surface treatment products at room temperature.

When do I reapply 303 Aerospace Protectant to my vinyl spa cover?

    A surface treated with 303 Protectant is water repellent (beads water), when the water repellency begins to diminish, reapply. Ideally, if you think it may be time to reapply but don't know for sure, do a small spot with 303. if any of the color or luster comes back, reapply. Typically, reapplying (a spa cover) every 30-45 days is sufficient to maintain a maximum level of UV protection (since it is constantly exposed all day).

Is 303 Aerospace Protectant effective on latex rubber?

    303 Aerospace Protectant is the most effective UV screening and anti-ozonant protection for latex rubber, which is important since latex quickly degrades when exposed to UV light and ozone.

The plastic dashboard window on my car is milky and dull, is there a way to fix it?

    Milky or dull dashboard windows usually happen because a window cleaner was used on the plastic that contained alcohols or ammonia, like Windex. Those types of products (with alcohols and ammonia) tend to degrade the plastics, and if 303 is applied after, the problem becomes even more apparent.
    In order to solve this problem, use a fine rubbing compound, remove and carefully polish out the milky look of the plastic. Once you have successfully removed the cloudiness (or milky look) with the rubbing compound, be sure to apply 303 Aerospace Protectant and polish dry.

What is the correct way to maintain the plastic windows in my soft-top?

    The material that is used for 'plastic' windows is a specialized type of vinyl called 'Pressed Polished Sheets' aka 'Pressed Poly', which is actually two layers of non-colored vinyl laminated together under intense pressure and high heat. This process squeezes out all the impurities and renders it perfectly clear. This material is soft and easily scratches.
    Clear vinyl loses its plasticizers much more quickly than top-coated vinyl, and although it contains UV stabilizers (to retard degradation) they become less effective each day, and excessive UV exposure can cause embrittlement, yellowing and failure. Therefore, if clear vinyl windows on a vinyl soft-top are not properly cared for, they can fail within 2-3 years while the vinyl top itself will last for years longer.

Which product should I use for a Jeep top?

    All Jeep factory soft-tops and many of the aftermarket replacement tops are a specialized types of Vinyl. During manufacturing, there is a top-coating and embossing process, the embossing process give the top the desired texture (like fabric), and the topcoat is for extra UV protection and mildew resistance. 303 Aerospace Protectant is the product that you need to restore that "like-new" appearance, and is recommended for both the top material and the clear vinyl.

How do I apply 303 Fabric Guard correctly?

    First, make sure that the surface you are treating is clean and dry. Make sure not to overspray, saturation is not necessary. While the surface needs to slightly damp, it does not need to be soaked. There is also no need to treat both sides of the surface (top side preferred) because the polymer in 303 helps the product go down deep into the fabric. Maintenance is an essential part of keeping your fabric guarded, lightly mist the surface every 6 months to check the water repellency. Friction will wear away at the product, so areas that are prone to this can be spot treated to renew repellency.

How do I apply 303 Fabric Guard in the wind?

    The quickest and easiest way to handle 303 Fabric Guard in the wind is to employ a flat piece of cardboard. If you are right handed hold the cardboard in your left hand. Hold it just upwind of where you're spraying. The cardboard blocks the wind, you don't waste product and you achieve expected coverage rates. This cardboard trick also helps to protect surrounding areas from over-spray.

The label on Fabric Guard warns not to use on "synthetic suede", why not?

    303 Fabric Guard should not be used on synthetic suede, not because of the product itself, but because of the carrier, Odorless Mineral Spirits (OMS), a mild solvent. The general rule is that solvent (even mild) should not be applied to rubbers and plastics; synthetic suede is a plastic.

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