Major Brushes Polystyrene Balls - 75 Pack
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Product Information
Full details
The Major Brushes Polystyrene Balls 75-pack is designed for crafters, hobbyists, and educators looking for a versatile base for artistic projects. This kit provides an excellent solution for model making and custom décor due to the lightweight and easy-to-modify nature of the expanded polystyrene material. While these spheres are highly adaptable, users should be aware that the foam structure can be sensitive to specific solvents, requiring the use of water-based adhesives and paints to avoid damaging the surface.
All features
| Model Part Number | 795-75B |
|---|---|
| Brand | Major Brushes |
Extended Product Information
FAQs
Can I use spray paint on these balls?
Only if the paint is specifically labeled as polystyrene-safe or water-based. Solvent-based spray paints will dissolve the foam.
What is the best way to attach these to other surfaces?
PVA glue or low-temperature glue guns work best. Always test a small spot on a scrap piece if you are unsure.
Can these be sanded?
Yes, they can be sanded very lightly with fine-grit sandpaper to remove seams or imperfections.
Are these balls solid?
Yes, they are made of solid expanded polystyrene throughout.
Are they suitable for children?
They are safe for children under adult supervision, though they should not be ingested.
Can I use pins to decorate these?
Yes, the foam is ideal for 'sequin and pin' craft projects where decorative pins are pushed directly into the surface.
Troubleshooting
Glue is melting the ball surface
Immediately stop using the adhesive and switch to a water-based PVA craft glue.
Surface is too porous for paint
Apply a thin layer of gesso or white school glue to seal the surface before applying color.
Foam is shedding during carving
Ensure your cutting tool is sharp; a dull blade will tear the foam rather than slice it.
Pros and Cons
Pros
- Lightweight and easy to transport
- Provides a smooth, consistent surface for painting
- Multiple sizes accommodate different project scales
- Compatible with a wide range of craft supplies
- Budget-friendly material for bulk projects
Cons
- Material is susceptible to denting if handled roughly
- Not compatible with aggressive solvent-based adhesives
- Foam can shed small particles when carved
- Requires careful storage to prevent surface scratches
Setup, Compatibility & Care
To ensure optimal results, always use water-based craft glues like PVA or specialized polystyrene glue, as solvent-based adhesives will melt the foam. If painting, avoid aerosol sprays containing thinners.
Handling and Care:
- Storage: Keep the balls in their original packaging or a sealed box to avoid accidental dents or surface dust accumulation.
- Modification: Use a hot wire cutter or a very sharp craft knife for clean edges when slicing the spheres.
- Finishing: If you need a perfectly smooth surface, apply a thin layer of spackle or modeling paste before painting.