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    Underpainting Transparent Base (50ml)
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    Underpainting Transparent Base

Underpainting Transparent Base

530-340


Availability: In stock

Processing time: Usually ships within 24 hours.

Quick Overview

Underpainting Transparent Base is a fast-drying, alkyd paste medium, similar to Velázquez Medium in handling properties, but much faster drying. This alkyd paste medium consists of finely ground calcite (ground calcium carbonate) and wollastonite in alkyd with mineral spirits. Use it to extend paint and form impastos while making paint longer. Makes colors slightly transparent allowing greater control over tints without using whites. Dries to a matte finish. Does not contain driers.

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Image Product Name Price Safety Shipping Qty
Underpainting Transparent Base (50ml)
$12.50

Details

Underpainting Transparent Base is a fast-drying, alkyd paste medium, similar to Velázquez Medium in handling properties, but much faster drying. This alkyd paste medium consists of finely ground calcite (ground calcium carbonate) and wollastonite in an alkyd vehicle with mineral spirits. Add Underpainting Transparent Base to any oil color to extend it for fast drying underpaintings. The paint layer usually dries within an hour or two. Adding it to oil colors makes them slightly transparent allowing greater control over tints without using whites. Dries to a matte finish. Underpainting Transparent Base does not contain driers.

Applications

Use Underpainting Transparent Base in the underlayers of a painting or as a medium in alla prima (direct) painting.

Not all painters use an underpainting, it seems that those who do want it to dry fast so they can begin coloring in the overpainting. Natural Pigments has a simple solution that does not require buying a whole new set of colors just for the underpainting. Introducing two new products: Underpainting Lead White and Transparent Base. With either or both products, you can use any of your standard oil colors and have them dry blindly fast—usually within an hour or so. Add the Underpainting Lead White or Transparent Base—from one third to one half—to your oil color and your underpainting dries quickly to a matte sheen. Add less for slower drying.

The image of the test panel shows the effects of Oleoresgel, Lead White #1, Underpainting Lead White and Underpainting Transparent Base in mixtures with four oil colors: Maya Blue, Ultramarine Blue (Green Shade), Ercolano Red and Italian Green Umber.

Directions

Add Underpainting Transparent Base directly to paint, mixing well on the palette. Do not apply Underpainting Transparent Base over slower drying oil paint, as this may lead to cracking or wrinkling of the layer. You can thin Underpainting Transparent Base with mineral spirits and/or linseed oil.

See Also Underpainting Lead White

Underpainting Lead White (also known as flake white or Cremnitz white) is a mixed white with lead white, titanium white and calcite ground in alkyd with mineral spirits to make a brilliant, opaque white surface that is smooth and dries very quickly to a matte surface. This is the ideal white to use in your underpainting, because it dries within an hour or two. Mix with any oil color and apply as your underpainting to dry quickly to a matte surface. This is the best surface for your overpainting because the matte provides subsequent layers with ample texture for excellent adhesion. Dries to a matte finish. Underpainting Lead White does not contain driers.

GHS Classification

Flammable Liquids (Category 4)

STOT-SE Narcotic Effects (Category 3)

Hazard Pictograms

Health Hazard
GHS08-2:
Health Hazard

Signal Word: Warning

Hazard Designation

H227: Combustible liquid

H304: May be fatal if swallowed and enters airways

H336: May cause drowsiness or dizziness

Precautionary Statements

P210: Keep away from heat/sparks/open flames/hot surfaces. No Smoking.

P261: Avoid breathing dust/fume/gas/mist/vapors/spray.

P264: Wash hands thoroughly after handling.

P271: Use only outdoors or in well-ventilated area.

P273: Avoid release to the environment.

P280: Wear protective gloves/protective clothing/eye protection/face protection.

P301+P310+P331: IF SWALLOWED: Immediately call a doctor/physician. Do NOT induce vomiting.

P304+P340+P312: IF INHALED: Remove victim to fresh air and keep at rest in a comfortable position. Call a poison center or doctor/physician victim feels unwell.

P332+P313: IF SKIN irritation occurs: Get medical attention/advice.

P403+P235+P405: Store in a well-ventilated place. Keep cool. Store locked up.

P501: Dispose of contents/containers to approved disposal facility.

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