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Getting the thickness right is essential for clear, professional results when working with epoxy resin. Different resin formulas have specific pour limits to prevent issues like overheating, discolouration, or improper curing. Here’s what you need to know for a successful project.
Recommended Maximum Thickness by Resin Type
- Icrystal: Best suited for layers up to 1.5 cm per pour. Ideal for woodworking, table coatings, and artistic castings.
- Trasparente: Allows for pours up to 2 cm. Preferred for detailed casting projects, trays, or small tables.
- Art Pro: Designed for thin finishing coats between 1 mm and 10 mm (1 cm), making it excellent for surface coatings and artistic applications where a high-gloss, glass-like finish is needed.


Why Layer Thickness Matters
Exceeding the recommended layer thickness for any resin can lead to problems such as overheating, clouding, or cracking. Thicker pours retain more heat during the curing process, which may shorten working time or cause the resin to harden unevenly. For thicker projects, it’s safer to pour multiple layers, allowing each to fully cure before adding the next.
Practical Tips for Perfect Results
- Always check your chosen product’s instructions for thickness limits.
- Use good ventilation and appropriate safety gear, especially for larger pours.
- Icrystal is a versatile choice for most crafting and furniture projects up to 1.5 cm thick in a single layer.
- For casting projects needing up to 2 cm in one pour, consider Trasparente.

When This Matters
Layer thickness is especially crucial for deep-fill tables, casting artwork, and surface coatings where clarity and structural integrity are important. Following these guidelines keeps your finish clear and long-lasting.
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Understanding resin thickness limits helps you choose the right product—whether you need a deep pour or a glossy finishing coat. For more information about trusted resin suppliers and products, see our guide on which Spanish company sells Finish Glass resin online.
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