3Dresyn Electro-Thermo-Responsive ETR35 Bio (4D) is a thermoresponsive, electrically conductive, biocompatible-grade hydrogel that exhibits a sharp, reversible swelling change around ~32–35 °C, enabling temperature-modulated impedance for smart biosensors, micro-actuators, and soft bioelectronics. Designed for professional SLA, DLP & LCD printers and water-based handling.
Features of 3Dresyn Electro-Thermo-Responsive ETR35 Bio (4D):
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thermoresponsive matrix with reversible swelling/deswelling near physiological temperatures
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tunable conductivity; clear impedance shift vs. temperature (wet state)
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swelling (25 °C): large water uptake; adjustable by solids loading and post-cure
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mechanical tuning via crosslink density and conductive phase (optimize stiffness vs. swelling)
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high-resolution DLP features (~100 µm channels/pores demonstrated)
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water-washable/cleanable prints and vats
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organo-tin free
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compatible with most professional SLA, DPL & LCD printers; performance depends on printer power and setup
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print speed/resolution can be fine-tuned with 3Dresyns Fine Tuners
Starting printing window (guideline):
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wavelength: 390–410 nm (SLA, DLP & LCD)
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layer height: ~0.10 mm
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exposure: ~30 s/layer
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post-processing: water rinse → controlled drying → temperature-condition at target use T → post-cure per IFU
Note: Conductive products due to their high engineering complexity require the usage of open mode SLA, DLP & LCD printers and skillful users since conductive materials may require fine tuning to different printing and printer specifications
IMPORTANT: The product if stored at room temperature (<25˚C) has a shelf life of 6 months. If stored well sealed at 4ºC in a fridge its shelf life can be extended longer. 3Dresyns cannot assume responsibility for a conductive product that has not been stored in appropriate conditions. Orders will be made to order to maximise the shelf life of the product. Its delivery time is around 3-4 weeks after ordering.
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