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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Profiline Polymer NetShield

Product ID: 49035836

Details

Brand
SONAX
Global Trade Identification Number
Item form
Aerosol
Item weight
0.42 Kilograms
Manufacturer
Sonax
Number of items
1

🎨Intensive colour restoration

💧Outstanding water-repellent effect

🛡️6 months hybrid protection

WS$431

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Description

🛡️ Elevate your ride’s glow and guard it like a pro!

EFFORTLESS CLEANING - Water-repellent surface reduces dirt and insect adhesion, making washes quicker and easier.
VIBRANT COLOUR REVIVAL - Restores and intensifies your car’s paintwork for that showroom shine every time.
LONG LASTING HYBRID SHIELD - Up to 6 months of wax-free, durable protection with cutting-edge Net Protection Technology.
TRUSTED HERITAGE QUALITY - Crafted by SONAX since 1950, the go-to brand for motorsport pros and car enthusiasts alike.
PRECISION SPRAY APPLICATION - Convenient 340ml spraycan ensures even coverage and professional results without the mess.

SONAX PROFILINE PolymerNetShield is a premium 340ml sprayable paintwork sealant delivering up to 6 months of hybrid protection. It intensively restores colour vibrancy while creating a dense, water-repellent shield that repels dirt and insects, simplifying maintenance. Developed by SONAX, a trusted leader in automotive care since 1950, this product combines advanced Net Protection Technology with ease of use for professional-grade results at home.

Specifications

ASIN	B00JOVJKZW
Best Sellers Rank	123,914 in Automotive ( See Top 100 in Automotive ) 103 in Gloss Seals for Car Paints
Brand	SONAX
Customer Reviews	4.5 4.5 out of 5 stars (1,250)
Date First Available	6 May 2014
Delivery information	We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Guaranteed software updates until	unknown
Item Weight	424 g
Item model number	223300
Manufacturer	Sonax
Manufacturer part number	223300
Model	Paintwork Sealant
Position	Left
Product Dimensions	5.9 x 5.9 x 24.2 cm; 424 g

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WS$431

Duties & taxes included

In stock

Sold byAmazon SamoaDelivered 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 Samoa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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