How much Gloss Varnish do i need to properly coat an 18"x24" Canvas?

There is a formula for paint coverage on YouTube that specifies the number of ounces/grams needed to cover a canvas. I'm not sure if it would answer your needs, but here it is. Measure your canvas height and width then multiply them by each other to get the square inches. Multiply the square inches by 0.1 to get the ounces needed to cover your canvas. To convert to grams, multiply the ounces by 28. This is only a rough guide as the paint consistency will affect coverage, i.e., the thinner the paint, the fewer ounces needed.

What is the effective difference between normal matte medium and the matte fluid medium?

The normal matte medium will only produce a matte effect on the paint. The matte fluid medium will give the same matte effect, but will also lessen the viscosity of the acrylic paint you’re mixing in making it thinner and slightly more transparent (depending on the amount of medium added).

can it withstand high heat ?

Yes it will but I wouldn't put it outside in the direct sun. You would need a varnish for that.

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Liquitex BASICS Iridescent Medium

Product ID: 138625179

Details

Brand
Liquitex
Color
Iridescent
Finish Type
Gloss
Item Volume
250 ml
Paint Type
Acrylic
Size
8.45 Fl Oz of

⏳Slows drying time for blending

✨Smooth iridescent finish

💧Thinnable with up to 30% water

120 kr

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Description

✨ Elevate your acrylics with iridescent magic – because your art deserves to shine!

MASTER THE BLEND - Extended drying time lets you craft seamless, subtle color transitions.
CUSTOM CONSISTENCY - Thin heavier paints effortlessly without compromising stability.
ECONOMICAL EXCELLENCE - Professional-grade medium designed for artists who demand quality without breaking the bank.
TRANSFORM YOUR PALETTE - Add a mesmerizing iridescent glow that elevates every stroke.
DURABILITY MEETS ARTISTRY - Maintains paint adhesion and archival quality for lasting masterpieces.

Liquitex BASICS Iridescent Medium (250ml) is a versatile acrylic medium that enhances paint transparency and adds a smooth iridescent finish. It extends color, slows drying time for better blending, and maintains paint durability and adhesion. Thinnable with up to 30% water, it offers professional quality at an affordable price, perfect for artists seeking dependable performance and creative flexibility.

Specifications

ASIN	B07LBZR6RF
Age Range Description	Adult
Best Sellers Rank	#2,553 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #80 in Art Paints
Brand Name	Liquitex
Color	Iridescent Medium
Color Code	Not Available
Container Type	Tube
Coverage	Medium
Customer Reviews	4.7 4.7 out of 5 stars (10,374)
Finish Type	Gloss
Global Trade Identification Number	00887452031482
Indoor Outdoor Usage	Indoor
Is Waterproof	True
Item Form	Gel
Item Type Name	Iridescent Medium
Item Volume	250 ml
Item Weight	10.24 ounces
Manufacturer	ColArt Americas
Model Name	BASICS
Model Number	1041012
Paint Type	Acrylic
Part Number	1041012
Size	8.45 Fl Oz (Pack of 1)
Special Features	Crack Resistant
Specific Uses For Product	Interior
Surface Recommendation	Paper
UPC	887452031482
Unit Count	8.45 Fluid Ounces

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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120 kr

Duties & taxes included

In stock

Sold byAmazon DenmarkDelivered 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 Denmark.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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