Question 1

How long does it take for the smell to wear off?  I have an item I used it on that needs to be indoors.  It's on my sunporch now, still rather smelly.

Accepted Answer

A day or two

Question 2

Is it water tight and compatible with posca pens?

Accepted Answer

When properly applied, the coating is nearly as good as professional products applied with spray equipment, so it'll be watertight as long as it fully covers the parts and the parts have no moving edges or seams (which would of course make a crack that would allow water ingress).  sharp edges or corners could also provide points where the paint could become damaged and break a seal, but this applies of course to any coating.   I have no idea about posca pens, or in what way it would or wouldn't be compatible.

Question 3

Is there any issues with temperature while applying?  I would be using it in an unheated garage at 40 to 50 degrees or less on a surface equally cold.

Accepted Answer

6 quarters later, just for future people who swing by...

Colder temps mean it comes out thick, and flows slowly.  You're more likely to get runs, sags, orange peel, or possible reflow defects.  Coverage will be lower. It also takes longer for the solvent to evaporate.

If you're planning on sanding your clear coat, the it could be okay.  If you want to gun it and forget, then it really needs to be warmer.

Using a heat gun is risky.  It's very easy to boil, burn, bubble, or otherwise damage the paint all the way through.

A space heater is probably better, but beware of fumes in an enclosed area.  I've been known to leave the house door open and insulated garage door closed, and just let the garage warm up for an hour or so before I spray.

Question 4

Does this can rattle because mine does not?

Accepted Answer

Rattles are used to mix pigments in colored paints and primers. Clears do not need rattles

ASIN	B009LHER0M
ASIN	B009LHER0M
Age Range Description	Adults
Brand Name	U-POL
Color	Clear
Color Code	FFFFFF
Container Type	Spray/Spray
Coverage	4.5 to 6.75 square meters
Customer Reviews	4.5 4.5 out of 5 stars (624)
Customer reviews	4.5 4.5 out of 5 stars (624)
Date First Available	3 February 2014
Department	unisex-adult
Dry Time In Hours	12
Finish Type	High-Gloss
Full Cure Time	2 Hours
Global Trade Identification Number	05010796104009
Included Components	Spray Nozzle/Gun
Indoor Outdoor Usage	Indoor
Is Discontinued By Manufacturer	No
Is Waterproof	False
Item Form	Liquid
Item Type Name	CLEAR/AL High Gloss UV Clearcoat from U-POL, 450 ml Aerosol
Item Volume	59.61 Cubic Inches
Item Weight	458 g
Item model number	0796
Manufacturer	U-POL Ltd
Manufacturer	U-POL Ltd
Model Name	CLEAR/AL
Model Number	0796
Paint Type	Spray
Part Number	0796
Product Dimensions	7.01 x 7.01 x 24.51 cm; 458.13 g
Size	450ml (Pack of 1)
Special Features	UV Resistant
Specific Uses For Product	Exterior
Surface Recommendation	General Purpose
UPC	844825001084
Unit Count	450.0 Milliliters
Water Resistance Level	Waterproof

U-pol Clear/AL High Gloss UV Clearcoat, 450 ml Aerosol

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