would it make acrylic painted coasters heat resistant, dont want coffee cups sticking to the coaster

You are better off using resin, get the one linked here, I used it on coasters, great, you can get ii on Amazon, get the starter kit, it is good, you can colour it as well, (1litre Starter Kit, CRAFT RESIN Epoxy Resin Kit - Crystal Clear Resin & Hardener Casting Resin for Jewelry Crafts & Art Resin - Food Safe, Self Leveling with High Gloss, UV & Heat Resistant, No Bubble & No Yellowing 500m, USE THAT,

Can I use this to seal and waterproof aluminium?

You can use it to seal a vinyl floor you painted with latex porch and floor paint in your bathroom. It protects the paint but leaves water marks.If you use this to waterproof aluminium, I'm not sure I'd do that....no matter how much a product touts that it doesn't "yellow" it does a little bit.

Is a respirator mask required when using this product?

I didn't use one . However I used a small amount in an open space. I put the lid on the tin immediately I finished. If you buy the aerosol I would recommend a mask.

Sorry I didn't make myself clear. What area would be covered using this half pint tin?

I can't answer that but I felt that a little went a long way.

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Rust-Oleum Varathane 200261H 1/2-Pint Interior Crystal Clear Water-Based Polyurethane, Water-Based Satin Finish

Rust-Oleum Varathane 200261H 1/2-Pint Interior Crystal Clear Water-Based Polyurethane, Water-Based Satin Finish

Product ID: 51320939

Details

Brand
Varathane
Finish type
Satin
Item weight
0.64 Pounds
Material
Polyurethane
Recommended uses for product
interior

💧Water-based clarity

⏱️Fast drying time

🛡️Scratch & spot resistant

9838 kr

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Elevate your interiors with a crystal-clear satin shield! 🛡️

VERSATILE USE - Perfect for furniture, cabinets, doors, and even sealing acrylic paint for a professional touch.
QUICK RECOAT TIME - Ready for a second coat in just 2 hours—speed up your project without sacrificing quality.
CRYSTAL CLEAR FINISH - Preserves natural wood tones with a transparent, non-yellowing satin sheen.
DURABILITY THAT LASTS - Top-tier protection against scratches and spots keeps your interiors looking flawless.
EFFORTLESS APPLICATION - Low odor and water cleanup make your DIY projects hassle-free and enjoyable.

Rust-Oleum Varathane 200261H is a 1/2-pint water-based polyurethane with a satin finish, designed for interior wood surfaces. It offers a transparent, non-yellowing protective layer that resists scratches and spots, dries quickly, and cleans up easily with soap and water—ideal for millennial professionals seeking durable, elegant home upgrades.

Specifications

ASIN	B000LNW7ZM
Best Sellers Rank	18,479 in DIY & Tools ( See Top 100 in DIY & Tools ) 59 in Varnish
Brand	Varathane
Compatible Material	Wood
Coverage	31.25 square feet
Customer Reviews	4.2 4.2 out of 5 stars (2,041)
Finish	Satin
Item Form	Liquid
Item Type Name	Rust-Oleum Varathane 200261H 1/2-Pint Interior Crystal Clear Water-Based Polyurethane, Water-Based Satin Finish
Item Weight	0.64 Pounds
Liquid Volume	236 Millilitres
Manufacturer	Rust-Oleum
Material	Polyurethane (PU)
Model Number	200261H
Number of Items	1
Part Number	200261H
Recommended Uses For Product	interior
UPC	020066480295 026748200267
Unit Count	236.0 millilitre

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Customer service was outstanding when I had questions about the product.

2 days ago

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