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, 250ml (8.4oz) Tube | Smooth Iridescent Appearance, Increases Paint Transparency, Extends Your Color, Slows Drying Time, Thins Heavier Body Paints

Liquitex BASICS Iridescent Medium, 250ml (8.4oz) Tube | Smooth Iridescent Appearance, Increases Paint Transparency, Extends Your Color, Slows Drying Time, Thins Heavier Body Paints

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 perfect blends

✨Smooth iridescent finish

💧Thins heavy paints up to 30% water

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Description

🎨 Elevate your acrylics with iridescent magic — because your art deserves to shine!

MIX MATCH FREEDOM - Blend unlimited amounts to tailor iridescence and paint behavior exactly how you envision.
LUMINOUS IRIDESCENCE - Transform your acrylics with a smooth, shimmering glow that demands attention.
CUSTOMIZABLE CONSISTENCY - Thin heavier paints effortlessly for flawless flow and texture control.
DURABILITY MEETS ARTISTRY - Maintain archival quality and crack resistance while elevating your paint’s transparency.
EXTENDED CREATIVITY WINDOW - Enjoy slower drying times that let you master subtle color blends without rush.

Liquitex BASICS Iridescent Medium is a 250ml acrylic medium designed to add a smooth iridescent finish, increase paint transparency, and extend working time by slowing drying. It thins heavy body paints up to 30% with water, maintains paint adhesion and durability, and is crack resistant, making it ideal for professional-quality indoor acrylic artwork.

Specifications

ASIN	B07LBZR6RF
Age Range Description	Adult
Best Sellers Rank	#3,419 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #96 in Art Paints
Brand Name	Liquitex
Color	Iridescent Medium
Color Code	Not Available
Container Type	Tube
Coverage	Medium
Customer Reviews	4.6 4.6 out of 5 stars (488)
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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115.28 DT

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In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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