What adhesives are safest for bonding canvas layers in abstract sculptures?

When creating abstract sculptures with layered canvas, choosing the right adhesive is crucial for both durability and safety. The safest options include:

1. PVA Glue (Polyvinyl Acetate): A water-based, non-toxic adhesive that dries clear and remains flexible, ideal for lightweight canvas layers.

2. Acrylic Mediums: These double as adhesives and sealants, offering strong bonding without harmful fumes.

3. Wheat Paste: A natural, eco-friendly option for temporary or delicate work, though less durable long-term.

4. Epoxy Resin (Low-VOC): For heavy-duty bonding, select low-VOC variants to minimize toxicity.

Avoid solvent-based adhesives like rubber cement or super glue, as they can degrade canvas and emit harmful fumes. Always test adhesives on scraps first to ensure compatibility with your materials. For artists prioritizing safety and longevity, PVA glue or acrylic mediums are the top recommendations.