would a car benefit by first applying sonax hybrid wax then net shield.for a better and longer lasting shine

No you do not want to apply a sealant over a wax. You can apply a wax over a sealant if you'd like but in this case it really isn't needed

Is this good on black paint? any gloss?

Polymer net shield gives a super gloss finish on my black 911 . This is a great product. For an even greater gloss , cover with a good carnauba wax like zymol

Is traditional wax completely unnecessary with this product? Does this protect against sun damage like a carnuba wax does?

Carnauba provides a superior "wet look" appearance and protection. However this product will provide protection and last longer.

How should i wash my car after applying this sealent? should i use water only or i can use car shampoo without damaging the sealent?

Good question. I've had this product on three cars for a couple of months now, and the two garaged look like it was just applied yesterday. The outside car I'm thinking I will just hose with water only. I believe, however the product will stand up to appropriately mild auto soaps, but I would then apply The Sonar Brilliant Shine Detailer if necessary. Also, you can contact the US Sonax distributor. I emailed them a few questions when I transitioned from PS21 to this product.

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Polymer Net Shield Paint Sealant, Aerosol Sealant Spray, 340 ml

Product ID: 27721487

Details

Brand
SONAX
Item Form
Aerosol
Item Weight
0.42 Kilograms
Recommended Uses For Product
Exterior
Specific Uses For Product
Automotive

⏳Up to 6 months protection

✨High-gloss, glass-like shine

💧Superior water beading

₪207

Duties & taxes included

In stock

Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Shine smarter, not harder — protect your paint like a pro!

HYDROPHOBIC POWER - Water beads and rolls off, keeping your ride cleaner, longer
MIRROR LIKE SHINE BOOST - Hybrid polymers amplify color depth with a crystal-clear, high-gloss finish
GERMAN ENGINEERED EXCELLENCE - Advanced organic-inorganic polymer blend for premium protection and shine
LONG LASTING WEATHER DEFENSE - Shields paint from UV, acid rain, bird droppings & contaminants for half a year
EFFORTLESS AEROSOL APPLICATION - Quick, even coverage with zero hassle for a flawless finish

SONAX Polymer Net Shield is a 340ml aerosol-based polymer spray sealant that delivers up to 6 months of durable paint protection. Engineered with advanced German hybrid polymers, it offers superior UV, acid rain, and contaminant defense while enhancing your vehicle’s color depth with a high-gloss, glass-like shine. Its hydrophobic formula ensures water beads off effortlessly, making maintenance easier and keeping your car looking showroom fresh with minimal effort.

Specifications

ASIN	B00JOVJKZW
Best Sellers Rank	#121,865 in Automotive ( See Top 100 in Automotive ) #144 in Automotive Plastic Care Products
Brand	SONAX
Customer Reviews	4.4 4.4 out of 5 stars (1,369)
Date First Available	May 6, 2014
Item Weight	14.9 ounces
Item model number	223300
Manufacturer	SONAX
Manufacturer Part Number	223300
Model	223300
Position	Left
Product Dimensions	2.32 x 2.32 x 9.53 inches

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