Flexible Resin
40
°C
Max Service
Overview
Shore A 40-60 photopolymer that produces rubber-like flexible prints with full SLA surface quality. Enables complex flexible geometry impossible to achieve cleanly with FDM TPU. Excellent for phone cases, wearables, and gaskets where layer lines are unacceptable.
Properties
Difficulty
advanced
Flexibility
flexible
Layer Adhesion
excellent
Enclosure
no
Heated Bed
no
Dry Storage
no
Pros
- Flexible with full SLA surface quality — no FDM layer lines
- Shore A 40-60 — soft and rubber-like
- Good tear resistance
- Can mimic silicone behaviour
- Mixable with standard resin to tune durometer
Cons
- Prone to FEP suction failures — hollow all parts
- Difficult to support
- Limited colours
- Shorter FEP/nFEP life
- Requires careful hollowing and drain holes
Best For
- Phone cases|Custom insoles and orthotics|Gaskets|Wearable components|Cosplay soft armour|Earbud and earphone tips
Avoid For
- Rigid structural parts|Large solid prints without drain holes|Tall prints with large cross-sections
Storage
Standard UV-protected storage. Can mix with standard resin at 10-30% to tune flexibility level.
Brands
Siraya Tech TenaciousElegoo FlexibleAnycubic FlexiblePhrozen Flex 270