3D Printing Consumables - Photosensitive Resin
Release time:
2026-03-23
Photosensitive resin, commonly known as UV resin, is a colloidal substance composed of polymers. These polymers resemble scattered, chain-crosslinked mesh fragments. Under ultraviolet (UV) light, these molecules bond to form long, crosslinked polymer chains. During this bonding process, the material transforms from a gel-like resin into a solid, hard substance.
Photosensitive resin is typically in a liquid state. Objects printed with this material generally feature high strength, heat resistance, and waterproof capabilities. However, if left unused for extended periods, the resin is prone to hardening.
Specific characteristics of photosensitive resin include:
✅ Low viscosity
✅ Low curing shrinkage
✅ Fast curing rate
✅ Low swelling
✅ High photosensitivity
✅ High degree of curing
✅ High wet strength
Photosensitive resin is not only excellent for molding but also relatively inexpensive, making it the preferred material for printing prototypes (hand boards). Creating a sample for appearance and function verification before a product launch is highly cost-effective. Compared to going straight into production without prototyping, this step saves a significant amount of resources.

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