Liquid slow-drying medium for acrylic paint
This Lefranc Bourgeois liquid slow-drying medium mixes with your acrylic paint to extend its drying time by up to 40%. It lets you work longer on your canvas, blend colours and create smooth gradients. This fluid medium suits both beginner and experienced painters. The 120 ml bottle works with all types of acrylic paint.
How to use a slow-drying medium?
Mix the medium into your paint before you start, using no more than 25% of the paint volume. In small amounts, it replaces water to blend colours without thinning the paint. In larger amounts, it thins the paint and makes it more transparent, creating a glaze effect. Clean your tools with water.
Product Details
- 120 ml bottle
- For acrylic and vinyl paints (Flashe)
- Liquid medium: extends drying time by up to 40%
- Maximum dosage: 25% of paint volume
Uses
- Blending and gradients: working wet-on-wet, the medium gives time to blend two colours directly on the canvas.
- Large areas: skies, backgrounds and flat areas stay workable longer with fewer visible touch-ups.
- Glazes: added in larger amounts, it thins the paint and increases transparency. Apply thinly over a dry layer.
- Water substitute: in small amounts, it softens paint without thinning it too much, preserving pigment intensity.
- Touch-ups: paint stays workable longer to correct shapes or edges.
This Lefranc Bourgeois liquid slow-drying medium mixes with your acrylic paint to extend its drying time by up to 40%. It lets you work longer on your canvas, blend colours and create smooth gradients. This fluid medium suits both beginner and experienced painters. The 120 ml bottle works with all types of acrylic paint.
How to use a slow-drying medium?
Mix the medium into your paint before you start, using no more than 25% of the paint volume. In small amounts, it replaces water to blend colours without thinning the paint. In larger amounts, it thins the paint and makes it more transparent, creating a glaze effect. Clean your tools with water.
Product Details
- 120 ml bottle
- For acrylic and vinyl paints (Flashe)
- Liquid medium: extends drying time by up to 40%
- Maximum dosage: 25% of paint volume
Uses
- Blending and gradients: working wet-on-wet, the medium gives time to blend two colours directly on the canvas.
- Large areas: skies, backgrounds and flat areas stay workable longer with fewer visible touch-ups.
- Glazes: added in larger amounts, it thins the paint and increases transparency. Apply thinly over a dry layer.
- Water substitute: in small amounts, it softens paint without thinning it too much, preserving pigment intensity.
- Touch-ups: paint stays workable longer to correct shapes or edges.
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Customer review
product on 02/10/2026
product on 29/09/2026
fait parfaitement son travail. Prolonge le temps de séchage de l'acrylique pour qu'il puisse se mélanger
product on 27/09/2026
Parfait ! Il dilue la couleur en retardant son séchage. Excellent produit. Merci
tellement pratique ce produit