Tough/ABS-LikeFormlabs
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The Formlabs Clear Cast Resin 1 Liter for Form 4 is a premium, clear printing material that combines optical transparency with robust, ABS-like toughness. Engineered for durability, this resin exhibits high hardness and minimal flexibility, making it highly resistant to impact and breakage. It delivers exceptional detail resolution, capable of reproducing intricate features and smooth surfaces, which makes it suitable for a wide range of applications including functional engineering prototypes, detailed miniatures, dental models, and transparent jewelry concepts. This resin is specifically optimized for the Form 4 printer ecosystem, ensuring reliable performance and fast layer curing times. To achieve maximum mechanical strength and optical clarity, post-processing is essential; parts should be washed in IPA and cured using a Formlabs Cure Station or a compatible UV chamber. Safety is paramount when handling this resin. Always wear nitrile gloves and safety glasses to prevent skin and eye contact. Operate the printer in a well-ventilated area to avoid inhalation of fumes. Post-processing involves cleaning the parts thoroughly to remove any uncured resin before the final UV cure.
Resin TypeDetermines the primary use case and mechanical properties of the cured resin
Tough/ABS-Like
WavelengthMust match your printer's UV light — 405nm is most common
385 nm
Cure TimeTime per layer under UV light. Lower = faster prints but may reduce detail
3s
Layer ThicknessThinner layers = more detail but longer print times
25 - 200 µm
Hardness (Shore)Higher number = harder/stiffer part. A-scale for flexible, D-scale for rigid
Shore 83D
DensityWeight per volume — affects the final part weight
1.1 g/cm³
WeightNet weight of the bottle including resin
1000 g