| HS Code | 230715 |
| Materialtype | Multi-Material Composite |
| Composition | VisiJet CR-CL 200 + VisiJet CE-NT |
| Color | Clear |
As an accredited 3D Systems VisiJet RCL-ENT-D75 Multi-Material Composites (VisiJet CR-CL 200** + VisiJet CE-NT) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | |
| Shipping | |
| Storage |
In the construction of multi-material medical simulation devices, the RCL-ENT-D75 material set is processed as a two-channel photopolymer system rather than as a pre-blended vat resin. The VisiJet CR-CL 200** phase is allocated to transparent rigid anatomical landmarks, while the VisiJet CE-NT phase is allocated to low-durometer soft tissue regions that tolerate repeated needle puncture, scalpel engagement, and forceps manipulation during surgical training exercises. Compliance for laboratory-only trainers is structured under ISO 13485:2016 quality management procedures; if the completed simulator contacts skin or is used in a clinical teaching environment, the biological evaluation plan follows ISO 10993-1:2018, with cytotoxicity data generated according to ISO 10993-5:2009 and sensitization data generated according to ISO 10993-10:2010. The effective material addition ratio is controlled by the CAD volume segmentation rather than by liquid mixing; for orthopaedic or neurovascular trainers the CE-NT phase is commonly allocated at 15–30 vol.% and the CR-CL 200** phase at 70–85 vol.%, while soft-tissue-dominant vascular access models can reverse the distribution to 35–40 vol.% CE-NT in puncture regions. Downstream production consists of 32 µm layer MultiJet printing with sacrificial wax support, passive support melt-out in a convection oven maintained below 70 °C, and ultrasonic cleaning in a 50 °C aqueous nonionic surfactant solution; chlorinated solvents and ketones are excluded from the cleaning path because the CE-NT phase undergoes solvent swelling and loss of tear resistance. Production-scale records indicate that residual wax retention at the CE-NT/CR-CL 200** boundary is influenced by build orientation, particularly when the CE-NT phase faces the planarizer travel direction, and this orientation is controlled to reduce batch-to-batch variation in trainer softness. Terminal finished parts produced through this route include intraosseous access trainers, lumbar puncture simulators, cranial flap incision models, and arthroscopic knee models with transparent joint capsules.
Wearable electronics enclosure prototyping imposes simultaneous requirements for transparent lenses, impact-resistant shells, and returnable button or gasket membranes. The CR-CL 200** phase is allocated to clear window regions, snap-fit hooks, and rigid shell walls, while the CE-NT phase is allocated to undercut gaskets, button return springs, and shock-absorbing bumpers. The volume fraction of CE-NT is maintained between 18 vol.% and 30 vol.% for gasket-heavy designs; rigid-only sub-assemblies are printed with less than 10 vol.% CE-NT to avoid excessive part compliance. Production is carried out on a dual-channel MultiJet platform with heated planarization. The principal processing conflict occurs at the mechanical interface between the two phases: support melt-out above 70 °C can produce differential expansion of the CE-NT phase at the interface, and prolonged ultrasonic immersion in aggressive alkaline cleaners can generate microcracking along the phase boundary. A conservative cleaning sequence uses a 65 °C oven cycle, a 50 °C aqueous nonionic surfactant bath at pH 7.5–8.0, and a post-cleaning forced-air bake at 40 °C for 2 h. Compliance verification follows IEC 62368-1:2018 for audio/video and information technology equipment safety, IEC 60529:1989+A2:2013 for IP-code ingress protection when the final assembly is tested with the printed gasket in place, RoHS Directive 2011/65/EU as amended by (EU) 2015/863, and REACH SVHC documentation. Published data for mixed-phase aging under cyclic compression in this specific configuration is limited; incoming material performance should be established on production parts before design freeze. Terminal finished types include wearable camera lens mounts, smartwatch lug seals, earbud housing gaskets, and sports device button diaphragms.
In production-scale runs on dual-channel MultiJet equipment, the most frequent deviation is not tensile failure of the CE-NT membrane but delamination at the CR-CL 200**/CE-NT interface after repeated compression cycles; this failure mode is mitigated by resetting the planarizer speed and by reducing the first-pass wash bath residence time to 45 min. The interface region is examined by cross-section microscopy at 50× to confirm the absence of sacrificial wax islands before mechanical testing is accepted.
When interior automotive lighting prototypes move from machined polycarbonate to clear multi-material printing, CR-CL 200** is assigned to light-pipe regions and CE-NT is assigned to soft-touch gaskets around HVAC controls. The material addition ratio for switch assemblies is typically CE-NT 10–18 vol.% and CR-CL 200** 82–90 vol.%; for fully soft-touch rotary knobs the CE-NT phase can be raised to 60 vol.% over a rigid CR-CL 200** core to maintain torsional registration. Downstream post-processing includes support wax removal below 70 °C, optical micro-mesh polishing of the CR-CL 200** light-exit surfaces, and haze measurement according to ASTM D1003-13. Interior validation is anchored to IATF 16949:2016 for prototype suppliers, ISO 9001:2015 for non-automotive quality control, ISO 4892-2:2013 for xenon-arc exposure, and DIN 75201:2011 for fogging condensate evaluation when the part is submitted together with production trim. Published data for long-term luminous transmittance retention of CR-CL 200** in high-intensity LED light pipes is limited; the OEM is required to conduct part-specific UV-thermal aging before styling freeze. Terminal prototype types include instrument cluster clear lenses, center-stack light pipes, steering wheel switch gaskets, and HVAC control knobs.
The CE-NT phase functions as a cushioning element in orthotic and athletic footwear prototyping, while the CR-CL 200** phase is confined to rigid heel posts, arch stiffeners, and clip features that are not intended for cyclic compression. The typical digital allocation in a printed insole prototype is CE-NT 70–85 vol.% and CR-CL 200** 15–30 vol.%; a fully cushioned topcover build may approach 100 vol.% CE-NT in the footbed region with CR-CL 200** retained only in the base frame. The production workflow for short-run footbed prototypes consists of flat-orientation printing to reduce stair-stepping on the arch surface, wax support removal at 65 °C, and application of a separate skin-contact liner because the CE-NT phase is not supplied with a direct skin-contact biocompatibility claim. Compliance for the printed structure is reviewed under REACH and RoHS Directive 2011/65/EU; if the prototype is worn by a test subject, the complete device including liner must be assessed under ISO 10993-1:2018 and ISO 10993-10:2010. Terminal finished types produced through this route are custom foot orthoses, heel-cup prototypes, cycling shoe wedges, and diabetic insole test samples.
Dental aligner planning models require clear hard tooth dentitions and removable soft gingival masks for undercut isolation. In this application, CR-CL 200** is allocated to the tooth arch at 80–90 vol.%, while CE-NT occupies 10–20 vol.% as a flexible gingival collar that permits model separation without fracture. Models are printed at 32 µm layer thickness with wax support, cleaned at 65–70 °C in a convection oven, and completed with a low-temperature aqueous surfactant wash; the model surface is not subjected to polishing agents that would alter occlusal contact points. The compliance route for laboratory models falls under ISO 13485:2016 when the dental laboratory operates a medical device quality system, with material contact assessments conducted according to ISO 10993-1:2018 and ISO 10993-5:2009 if the printed model is used in patient-adjacent workflows. Terminal products are diagnostic study casts, adhesive repositioning jigs, orthodontic bracket placement models, and removable die training models.
Entertainment display props and animatronic components are built with CR-CL 200** transparent armature shells and CE-NT flexible skins in a segmented digital ratio ranging from 40–60 vol.% CE-NT to 40–60 vol.% CR-CL 200**, depending on lens-to-skin area. The printing process uses dual-material jetting with sacrificial wax support; after melt-out at 65 °C and a neutral aqueous wash, the CE-NT surface is prepared with a flexible polyurethane primer before water-based color systems are applied, while CR-CL 200** lens areas are polished with micro-mesh films to restore transparency. Because the parts can enter exhibition and consumer environments, the compliance file is structured around REACH registration documentation, RoHS Directive 2011/65/EU, and ASTM F963-17 when the object is classified as a toy; for coated props, ISO 2409:2020 cross-cut adhesion data is retained for paint adhesion verification. Terminal finished pieces include stop-motion puppet face shells, animatronic cheek skins, display visor lenses, and museum exhibit interactive models.
Competitive 3D Systems VisiJet RCL-ENT-D75 Multi-Material Composites (VisiJet CR-CL 200** + VisiJet CE-NT) prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8618136850665
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
VisiJet RCL-ENT-D75 is a multi-material composite designated for the 3D Systems ProJet MJP 2500 platform and is jetted from two base resins: VisiJet CR-CL 200** rigid clear and VisiJet CE-NT elastomeric natural. The identifier carries a nominal Shore D hardness of 75 when measured under ASTM D2240 after conditioning. The material is produced as a digital composition rather than a premixed formulation, meaning the print head deposits CR-CL 200** and CE-NT in software-defined ratios with wax support. Parts built from this composite occupy a stiffness range between the single-phase rigid clear and the elastomeric natural feedstock, allowing rigid and elastomeric volumes to be integrated in one build without adhesive bonding or mechanical fasteners. Published numerical data for the exact RCL-ENT-D75 blend are more limited than for the constituent resins; lot-specific tensile and impact values should be obtained from the current manufacturer bulletin.
On the ProJet MJP 2500, the native jetting resolution is 1200 × 1200 dpi, layer thickness in high-quality multi-material mode is 32 µm, and the build envelope is 294 × 211 × 144 mm. Multi-material jetting is controlled through 3D Sprint software, where the D75 operating point is loaded as a calibrated ratio rather than a manual volumetric mixture. Because CR-CL 200** and CE-NT are not copolymerized at the print head, the mechanical response of the composite is governed by interfacial continuity and voxel-level phase distribution. Build chamber humidity and temperature control reduce uncured photopolymer exposure to moisture and help maintain jetting viscosity. Frequent rigid-to-elastomer transitions may require additional print head purge cycles, which increases build time and reduces the risk of cross-contamination between jetted voxels.
The RCL-ENT-D75 composite contains voxel-interleaved or localized elastomer domains that lower bulk modulus relative to single-phase VisiJet CR-CL 200**. Under tensile loading per ASTM D638, the secant modulus sits below that of the rigid clear baseline and above that of CE-NT. The stress-strain curve departs from linearity earlier than a homogeneous rigid photopolymer because finite-strain extension occurs in the CE-NT domains. Hardness measured under ASTM D2240 is not a substitute for tensile property verification. In flexural loading per ASTM D790, the composite exhibits a lower flexural modulus than CR-CL 200** but generally develops less brittle surface crazing. Notched Izod behavior per ASTM D256 increases when CE-NT-rich regions intersect the propagating crack path, although published numeric values for the exact D75 gradient remain limited.
Dynamic mechanical analysis per ASTM D4065 in tensile mode at 1 Hz is recommended for identifying the glass transition of the rigid phase and the soft-domain transition of the CE-NT phase. Single-phase transition temperatures should not be assumed to remain unchanged after the two resins are co-jetted. For finite-element simulation, the CE-NT-rich phase may be approximated with a hyperelastic model such as Mooney-Rivlin, while the CR-CL 200**-rich phase can use linear elastic parameters derived from ASTM D638 secant modulus. The interface between the two phases is best represented as a cohesive zone rather than a perfect bonded tie. Published calibrated cohesive parameters for RCL-ENT-D75 are limited and should be obtained from printed coupon testing.
| Property | Test method | Conditioning or specimen note |
|---|---|---|
| Hardness | ASTM D2240 | 23 ± 2 °C, 50 ± 10 % RH, 24 h |
| Tensile modulus | ASTM D638 | Type IV specimen, 5 mm/min crosshead speed |
| Flexural modulus | ASTM D790 | Three-point loading, 16:1 span-to-depth ratio |
| Notched Izod impact | ASTM D256 | 23 °C, notched specimen |
| Water absorption | ASTM D570 | 24 h immersion, 23 °C |
| Heat deflection | ASTM D648 | 0.455 MPa, 2 °C/min heating rate |
| Peel resistance | ASTM D903 | T-peel at CR-CL 200**/CE-NT interface |
Processing on the ProJet MJP 2500 uses separate heated delivery lines for CR-CL 200**, CE-NT, and wax support. Cartridges are heated under closed-loop control to a jetting temperature that maintains viscosity within the print head specification. Each deposited layer is planarized before UV curing, and support wax is jetted wherever overhangs, blind holes, or elastomeric bridges require temporary support. Multi-material assignments in 3D Sprint define the local ratio of the two resins. Parts containing frequent rigid-to-elastomer boundaries typically require longer purge cycles to prevent compositional drift. On production lines, batch-to-batch viscosity shifts in CE-NT have been observed to alter puddle height and layer planarity when cartridge age or storage temperature is not controlled. Operators should monitor cartridge agitation and expiration to reduce dimensional variation.
Hardness reproducibility across the build volume depends on print orientation, local composition, and post-cure uniformity. Specimens printed in the Z direction can read lower than those printed in the X-Y plane because layer interfaces may concentrate the lower-modulus CE-NT phase. Hardness testing per ASTM D2240 should be performed with a calibrated durometer on flat pads at least 6 mm thick and conditioned at 23 ± 2 °C and 50 ± 10 % RH for 24 h. The nominal Shore D 75 value assumes a homogeneous digital blend at the calibrated ratio. Local domains biased toward CE-NT can read below 75, while CR-CL 200**-rich surfaces can read above 75. This spatial variance is a consequence of voxel-level phase distribution rather than a material defect. For clearance fits or sealing force designs, hardness survey measurements across the build tray should be included in dimensional tolerance loops.
Multi-material jetting permits a single-build replacement for some insert-molded or overmolded geometries, but the process boundary differs from injection overmolding. No melt interface or chemical fusion occurs. Mechanical adhesion between CR-CL 200** and CE-NT volumes develops through UV cure of adjacent voxels and surface interpenetration; this interfacial bond is typically weaker than the cohesive strength of either phase under tensile peel. Designers should specify mechanical interlocks, increased interface area, or through-features where peel or cyclic shear is expected. In peel testing based on ASTM D903, published peel strength data for the RCL-ENT-D75 interface is limited. Relative to a single-phase CR-CL 200** part, the composite lowers hardness to the nominal Shore D 75 value and reduces bulk stiffness. Relative to CE-NT alone, it raises hardness to Shore D 75 and increases resistance to compressive creep under static load. The composite does not retain the full elongation range of the neat elastomer phase because the rigid clear network constrains long-range chain orientation.
Support wax from the ProJet MJP 2500 process is removed in a heated paraffin bath. A typical bath temperature of 65–70 °C is required to melt the wax, followed by an approved rinse and air-drying. Manual wax removal alone is insufficient for elastomer-containing parts because CE-NT regions can retain wax in blind channels if the bath is not agitated. Agitated immersion at 70 °C for 30–60 min removes support from high-aspect-ratio cavities, but prolonged exposure can soften the CE-NT phase and produce swelling at the interface. After support removal, parts are rinsed with a manufacturer-approved solvent and dried for at least 2 h before hardness or tensile testing. Residual water or solvent in the elastomer phase will bias ASTM D570 water absorption measurements and may lower durometer readings.
Compatibility data for the digital composite should be evaluated on printed specimens rather than extrapolated from single-phase CR-CL 200** or CE-NT datasheets. The elastomer phase may swell in polar solvents, while the rigid phase may stress-craze in chlorinated solvents. Immersion testing can follow ASTM D543, with mass change and Shore hardness change recorded at 24 h and 7 days. For water exposure per ASTM D570, the composite absorbs more water than CR-CL 200** alone because of the higher water uptake character of the CE-NT phase. Applications in high-humidity service should include dimensional swell allowances. Heat deflection per ASTM D648 on the rigid-dominant composite may overestimate the temperature tolerance of elastomer-rich regions. The material should not be exposed to unstabilized amine-rich environments or strong oxidizers; such exposure can degrade the photopolymer network and lead to interfacial cracking. Published long-term thermal and solvent data for this specific configuration is limited, so load-bearing service conditions should be validated with printed coupons.
Typical usage includes functional prototypes for handheld consumer devices, soft-touch overmold sections, gasketing lips, and housings requiring impact-absorbing zones adjacent to rigid structural features. The material is not intended for continuous elastomeric flexure above 10^4 cycles without fatigue validation, because the rigid network limits cyclic strain recovery. For snap-fit features, the composite can be used where insertion force must be lower than a rigid clear part but structural rigidity must remain above that of a neat elastomer. Published fatigue data for this configuration is limited.
The base resins VisiJet CR-CL 200** and VisiJet CE-NT are supplied with safety data sheets and are not marketed as medical-grade unless a specific regulatory validation is obtained. The composite has no independent food-contact notification under FDA 21 CFR Part 177. For general industrial use, material handling should follow the printer manufacturer’s ventilation and glove requirements. Cured parts are classified as non-hazardous solid articles under normal conditions, but uncured resin and cleaning solvents require controlled disposal according to local regulations. RoHS and REACH statements are available through the manufacturer’s regulatory documentation; the user should verify SVHC content for the specific cartridge lot.
Dust and handling oils reduce surface hardness and interfere with durometer readings. Specimens for production lot acceptance are cleaned with a surfactant solution and wiped with a lint-free cloth before testing. For painted or coated assemblies, adhesion to the CE-NT phase is different from adhesion to CR-CL 200**; plasma treatment or primer may be required for uniform coating thickness. Adhesion testing per ASTM D3359 should be performed on both phases and across the interface. The CR-CL 200**/CE-NT digital composite therefore requires validation on the intended production platform, with printed orientation, interface geometry, and post-processing variables treated as part of the material qualification boundary.
