Green Stuff World Air Dry Foam Clay 250g – White Modeling Clay
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PROJ: 5394 · SHEET 2 / 4
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Product overview
White Air Dry Foam Clay is a lightweight acrylic modelling foam for cosplay forms, scale terrain, figures and gap filling between foam components. It is not a conventional putty and requires no oven: shape it by hand or with hobby tools, then leave it at room temperature. Drying takes 24 to 48 hours depending on thickness, and the material retains flexibility instead of becoming brittle. Because it is soluble in water, a wet finger can smooth joins and surface transitions while it is fresh; the same property means a finished piece is not weatherproof and should be protected from moisture.
- The foam can be pressed into silicone moulds to reproduce textures and small forms.
- For thick moulded pieces, GSW recommends freezing the mould with the material inside to make release easier.
- Once fully dry, apply a primer before painting with acrylic colours.
- Use flexible paint on components that will bend so the coating can move with the underlying foam.
- The ziplock bag is resealable, and the packaging carries an Ages 3+ marking.
Notes · Q & A
Air-dry or oven-bake clay — which should I choose?
Air-dry clay hardens through exposure to room air, so it needs no oven but requires time for moisture to leave the material. Oven-bake clay remains workable until heated and usually becomes rigid after baking. Choose according to the finished part: air-dry foam clays may retain some flexibility, while baked polymer clays are selected for a hard sculpted result.
How long does air-dry clay take to dry, and can I speed it up?
Drying time depends mainly on the thickness of the piece, airflow and the product's own formulation. Check the figure published on the individual product page, and build deep forms in manageable layers rather than trying to force a thick mass to dry quickly. Avoid strong heat unless the maker specifically recommends it, as rapid surface drying can trap moisture inside.
Can I paint air-dry clay, and does it need a primer?
Most air-dry modelling clays can be painted once they are fully dry, but the product instructions should decide the paint system. A primer improves adhesion and gives a more consistent surface. Where the finished model bends or flexes, use a flexible paint layer so the coating can move with the material instead of cracking.
How do I stop an opened pack drying out?
Press unused material back into its original resealable pack and remove as much trapped air as practical before closing it. Keep the pack sealed, away from direct heat and moving air. If a work session must stop, cover the unfinished piece tightly so exposed surfaces do not begin drying before you are ready to continue shaping.
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Technical specifications
Product
Green Stuff World Air Dry Foam Clay 250g – White Modeling Clay
Code (proj)
5394
Ship. weight
240 g
Brand
Green Stuff World
Hobby Heaven · By hobbyists, for hobbyists
Sheet 2 / 4
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