Have you ever used regular RainX on you M/C helmet? Why do they make a plastic version, does the regular stuff damage the plastic?

Regular RainX will ruin your plastic. Yes, unfortunately, I tried it. Had to replace the visor on my helmet.

Would this be suitable to use on the waterproof plastic casing for an action camera?

Believe so. It just helps "bead" up the water so it flows off more efficiently. I use it on motorcycle windshields and visor, but the wind helps keep it clear.

Is this safe to use on vinyl windows (isinglass, strataglass)?

https://www.sailrite.com/What-Is-Isinglass-Clear-Window-Material Read above link and towards bottom of article it will help identify type of Polyvinyl you have and products to clean it.

Can I use this in sub 40 degree temps?

Yes as far as using it after it has been applied, as far as applying it in sub 40° I don’t know for sure.

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620036 Plastic Water Repellent, 12.0 fl oz (355 ml)

Product ID: 748425895

Details

Brand
Rain-X
Global Trade Identification Number
Item Form
Liquid
Item Weight
0.4 Kilograms
Manufacturer
Rain-X
Number of Items
1

💧355 ml water-repellent liquid

🏍️Optimized for helmets & motorcycle windshields

🛡️Protects polycarbonate & acrylic surfaces

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8797 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Stay dry, drive sharp — see the difference with Rain-X!

EFFORTLESS APPLICATION - Spray and wipe formula means no-fuss, instant water repellency.
FOG SMUDGE RESISTANT - Maintains pristine clarity without annoying streaks or haze.
CRYSTAL CLEAR VISIBILITY - Advanced water bead tech repels rain for safer, sharper vision.
MARINE GRADE PERFORMANCE - Keeps marine resin windows crystal clear even in harsh weather.
UNIVERSAL RESIN COMPATIBILITY - Seamlessly protects acrylic, plexiglass, lexan & more—versatility that fits your lifestyle.

Rain-X 620036 Plastic Water Repellent is a 355 ml liquid treatment designed specifically for clear resin surfaces like acrylic, polycarbonate, and plexiglass. Its proprietary water-repellent technology creates a polka-dot water bead pattern that enhances visibility on motorcycle windshields, helmets, goggles, and marine windows. Easy to apply with a spray-and-wipe method, it offers durable protection against rain and moisture without fogging or smudging, making it a must-have for professionals seeking clear, safe vision in all weather conditions.

Specifications

ASIN	B00T9LR2BQ
Amazon Bestseller	#10,473 in Automotive ( See Top 100 in Automotive ) #32 in Automotive Window Water Repellent Coatings
Brand Name	Rain-X
Customer Reviews	4.4 4.4 out of 5 stars (3,661)
Global Trade Identification Number	00079118200367
Item Form	Liquid
Item Weight	0.4 Kilograms
Manufacturer	Rain-X
Model Number	620036
Number of Items	1
Part Number	620036
Recommended Uses For Product	Fleet and Plant Maintenance
Specific Uses For Product	Water repellent treatment for headlights, visors, helmet shields, goggles, motorcycle windshields, marine resin windows
UPC	079118200367
Unit Count	1.00 Count

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