| HS Code | 614022 |
| Material Type | Stereolithography photopolymer resin |
| Color | White |
| Tensile Strength | 42 MPa |
| Tensile Modulus | 2380 MPa |
| Elongation At Break | 12% |
| Flexural Strength | 67 MPa |
| Flexural Modulus | 2180 MPa |
| Izod Impact Strength Notched | 50 J/m |
| Hardness | 84 Shore D |
| Glass Transition Temperature | 62 °C |
| Heat Deflection Temperature At 0 45 Mpa | 58 °C |
| Heat Deflection Temperature At 1 82 Mpa | 51 °C |
| Solid Density | 1.18 g/cm³ |
| Liquid Density | 1.12 g/cm³ |
| Viscosity At 30 C | 250 cps |
| Water Absorption | 0.35% |
| Dielectric Strength | 15.7 kV/mm |
| Dielectric Constant At 1 Mhz | 3.6 |
| Volume Resistivity | 1.0 x 10^14 ohm-cm |
As an accredited 3D Systems Accura Xtreme White 200 Plastic factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Packaged in a 1 kg opaque, sealed bottle, 3D Systems Accura Xtreme White 200 Plastic ensures safe storage and handling. |
| Container Loading (20′ FCL) | Load palletized containers of 3D Systems Accura Xtreme White 200 Plastic, secured and braced inside a 20′ FCL, with labeling. |
| Shipping | 3D Systems Accura Xtreme White 200 Plastic is generally shipped as a non-regulated liquid resin in sealed, opaque containers. Protect from UV light, heat, and freezing. Use secondary containment and follow the SDS and local transport regulations. If classified, apply the appropriate UN number, hazard class, packing group, and labels. |
| Storage | Store 3D Systems Accura Xtreme White 200 Plastic as a photosensitive resin in its original, tightly sealed, upright container. Keep in a cool, dry, well-ventilated area, protected from direct sunlight, UV light, heat, sparks, and flames. Maintain recommended temperature, typically 18–25°C, and avoid freezing. Keep away from oxidizers, incompatible materials, and foodstuffs. Follow SDS and local regulations. Use appropriate PPE. |
| Shelf Life | Shelf life is 12 months from date of manufacture when stored in original unopened container at 18–25°C, protected from light. |
Master patterns fabricated from 3D Systems Accura Xtreme White 200 Plastic are used in room-temperature vulcanising silicone tools for short-run polyurethane parts. The resin is processed at 0.1 mm layer thickness on 354.7 nm stereolithography platforms compatible with the material, such as the 3D Systems ProX 800 or equivalent UV laser systems. Part orientation is set at 25–30° from vertical on primary surfaces to reduce stair-step artefacts below Ra 1.6 µm after finishing. Green-state parts are washed in isopropanol or TPM for 10–15 min. Support structures are removed before post-cure. UV post-cure is applied for 30 min per side in a 365–405 nm flood or conveyor chamber. Post-cure raises hardness to Shore D 80–84 and stabilises tensile properties in the 45–50 MPa range according to ASTM D638. Residual solvent is allowed to evaporate for 24 h at 23±2 °C before dimensional inspection.
RTV silicone for the tool shell is mixed at 10:1 base-to-catalyst by weight and degassed at 30–40 mbar for 5–10 min. The pattern is fixed to a mould box and coated with a release film. Silicone cure proceeds at 23±2 °C for 16–24 h before demoulding. Under-catalysed mixes below 8.5:1 can cause surface tack transfer to the pattern. Over-catalysed mixes above 11:1 can shrink above 0.3% and compromise master dimensions. The demoulded silicone cavity reproduces sanded and primed White 200 surfaces. First-article dimensional layout on the silicone tool is performed per ISO 10360-2 using a coordinate measuring machine.
Cast polyurethane is mixed at 100:80 by weight for typical semi-rigid grades. The mixture is degassed at 5–10 mbar for 2–3 min and poured into the silicone cavity under gravity. Cure temperature is limited to 40–60 °C depending on the selected polyurethane system. White 200 is not exposed to the polyurethane exotherm because the silicone tool isolates the pattern. Terminal parts from this route include automotive interior switch bezels, electronic enclosure covers, and medical device housing prototypes in quantities of 1–25 units per tool. Published data for this specific configuration is limited and should be supplemented by process capability studies.
Snap-fit validation for battery covers, router housings, and smart-meter enclosures uses White 200 when the downstream production resin is glass-filled ABS or polycarbonate/ABS blend. Build orientation is set to place the snap-beam bending axis parallel to the resin recoating direction. This reduces inter-layer cleavage during assembly testing. Published datasheet values for this resin fall within 45–50 MPa tensile strength, 7–15% elongation at break, and 35–45 J/m notched Izod impact. The snap beam design must remain below 50% of the datasheet elongation at break to avoid brittle failure during repeated insertion cycles. Insertion force is measured with a universal testing machine equipped with a 5 kN load cell at 25 mm/min crosshead speed. The photopolymer is a single-component formulation. No static mixing or pot-life control is required during printing.
Post-cure is mandatory before assembly. A 30 min per side UV exposure in a 365–405 nm chamber reduces tack and increases hardness. Parts are conditioned for 48 h at 23±2 °C and 50±5% RH before mechanical testing. If the enclosure is intended for a flame-rated production plastic, a separate UL 94 test on the final injection-moulded material is required. White 200 prototype parts are not a substitute for material certification. White 200 is not a true living hinge resin. Hinge prototypes should be limited to initial assembly trials. Published data for flexural cycling of this specific configuration is limited. If more than 50 hinge cycles are required, verification on a polypropylene or acetal prototype is recommended.
Terminal parts produced through this route include battery doors, router housing halves, clip features, and bezel snap-fit interfaces. Mechanical testing is documented against ASTM D638 for tensile properties and ASTM D256 for notched Izod impact. Dimensional verification follows ISO 2768-1 general tolerances unless production drawings require tighter limits. RoHS 2011/65/EU documentation is applied when the prototype is integrated into an electrical assembly for environmental testing.
Aerodynamic test articles printed from White 200 are used where tunnel dynamic pressure does not exceed 2,000 Pa and surface temperature remains below 45 °C. Build orientation is set to keep the chordwise axis at 20–30° from horizontal to minimise leading-edge stair-step. Curved sections are built at 0.05 mm layer thickness where available. Flat or internal surfaces use 0.1 mm. After support removal, surfaces are wet-sanded from 400 to 800 grit and primed. Aerodynamic surface finish is verified to Ra ≤ 0.8 µm per ISO 4287 on leading edges. Pressure taps are drilled after post-cure to avoid resin smearing in small-diameter holes.
Mechanical limits are derived from ASTM D638 tensile data and ISO 178 flexural modulus. A safety factor of 3.0 against published flexural strength is applied to all load-bearing sections. The low heat deflection temperature of 52–56 °C at 0.46 MPa per ASTM D648 restricts exposure to hot tunnel walls or stagnation heating above 45 °C. Multi-piece models are bonded with a low-exotherm two-part epoxy mixed at 1:1 by volume. Adhesive joints are kept away from pressure taps and force balance interfaces. Localised adhesive shrinkage below 0.2% is required to avoid surface waviness. Joint flash is removed with a scalpel before final primer application.
Terminal parts include front wing sections, brake duct mock-ups, diffuser vanes, and antenna housing models for subsonic aerodynamic force measurements. Weight checks are performed with a balance resolving 0.01 g. Centre-of-gravity location is measured on a knife-edge fixture after assembly. Dimensional conformance is verified by laser scanning with a point spacing of 0.2 mm and compared to the CAD model. Published data for this specific configuration is limited; tunnel blockage correction is calculated from the measured frontal area.
White 200 is used for coordinate measuring machine holding nests, drill bushings, and assembly fixtures when ambient workshop temperature stays between 18 °C and 28 °C. The fixture is designed with 5 mm minimum wall thickness and 2.5 mm rib spacing to limit creep under clamping loads. Build at 0.1 mm layer thickness with the primary locating plane oriented parallel to the build platform to improve flatness. Parts are post-cured 30 min per side and then rested for 72 h before final machining of critical boreholes. Reaming or boring is performed with carbide tooling. Cutting fluid temperature is kept below 30 °C. Threaded inserts are cold-pressed or bonded with a low-viscosity adhesive mixed at 1:1. Heat-set inserts are avoided because the HDT range of 52–56 °C is close to installation temperatures of heat-set tools.
| Verification parameter | Method | Pass criterion |
|---|---|---|
| Fixture locating hole diameter | ISO 10360-2 CMM | ±0.02 mm |
| Datum surface flatness over 100 mm | Dial indicator, granite plate | ≤0.05 mm |
| Creep after 24 h under 100 N | Dead weight, 23 °C | ≤0.1 mm displacement |
| Humidity stability | ISO 62 water absorption | ≤0.4% mass change at 23 °C |
Fixture repeatability is audited with Gauge R&R under ISO 13053-2 or equivalent. If the CMM nest exceeds 24 h dimensional stability limits, the part is rejected from service. White 200 is incompatible with autoclave sterilisation and hot-water cleaning above 50 °C. Long-term exposure to cutting fluid above 35 °C can stress-crack thin walls. Terminal parts from this route are drill jigs, CMM pallets, and assembly fixtures for electronics and aerospace components. Operational life is determined by dimensional drift rather than visual wear.
Benchtop usability models for surgical training stations and diagnostic device housings are printed from White 200 where no long-term patient contact occurs. The resin is not certified for implantation or mucosal contact under ISO 10993-1. Cytotoxicity, irritation, and sensitisation data may exist for the final production material. These data are not automatically transferable to the photopolymer prototype. If hospital ethics review requires a mock-up that touches intact skin for less than 1 h, the part must be sealed with a medical-grade polyurethane coating and tested according to ISO 10993-5 and ISO 10993-10 on the coated article.
Processing follows single-component photopolymer handling. Resin temperature is maintained within the supplier-specified set point before build. The standard 0.1 mm layer thickness is used for housing shells. A 0.05 mm layer thickness is applied to fine text and snap features. Washing in isopropanol for 10–15 min removes uncured resin from deep bosses. Post-cure is 30 min per side. Residual alcohol is allowed to evaporate for 24 h at 23 °C before handling by trial participants. No A/B mixing is required during printing.
Final assemblies include inhaler trainer housings, ultrasound transducer mock-ups, and patient monitor bezels. Mechanical loads are limited to hand pressure and drop testing from heights not exceeding 0.5 m. Repeated impact trials are excluded because Izod impact data of 35–45 J/m per ASTM D256 are not sufficient for high-drop validation of production plastics. Dimensional conformance to marketing artwork is verified on a comparator with 0.1 mm resolution. Surface finish is controlled to Ra ≤ 1.6 µm for painted or soft-touch coated parts. If the prototype is used in a cleanroom environment, particle shedding tests are recommended because SLA surfaces can generate dust after abrasion.
White 200 is also applied as a cavity insert for room-temperature silicone gaskets and low-exotherm polyurethane parts. In this route the SLA part is the mould, not the master. Part design is inverted and draft angles are increased to 2–3° for demoulding. Build orientation places the cavity opening upward to avoid trapped resin during printing. Insert walls are designed with 4–6 mm thickness. Surface finish of the cavity is prepared to Ra ≤ 0.8 µm with wet sanding and sealing. A mould release is applied before each casting operation.
Platinum-cure silicone is mixed at 1:1 by volume or by weight as supplied. Degassing is performed at 20–30 mbar for 5 min. Cure proceeds at 23±2 °C for 24 h. Accelerated cure at 50 °C is possible but shortens mould life because the White 200 HDT is in the 52–56 °C range. Exothermic polyurethane systems with peak temperatures above 60 °C are not recommended for White 200 cavity inserts. The single-component photopolymer does not require mixing before printing. The silicone or polyurethane casting material determines the working time and demoulding interval.
REACH 1907/2006 documentation for resin transport and use is maintained. RoHS 2011/65/EU applies to electrical end articles. White 200 itself is not a finished electrical component but should be evaluated if the cast silicone part enters an electrical assembly. Terminal parts from this route are silicone gaskets, keypad overlays, sealing plugs, and low-durometer urethane bumpers. Published data for long-term mould life in this specific configuration is limited. Cavity inserts are typically replaced after 5–20 cycles when dimensional tolerance falls below ±0.1 mm or surface quality degrades.
Competitive 3D Systems Accura Xtreme White 200 Plastic 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!
3D Systems Accura Xtreme White 200 Plastic is a white opaque stereolithography photopolymer supplied for 355 nm solid-state laser vat photopolymerization platforms, including the ProX 800. The cured resin is not a direct injection-molding polypropylene grade; it is a crosslinked network formed by laser exposure and subsequent post-cure. Its published post-cure tensile modulus is 2,000 MPa under ASTM D638-14, tensile strength is 52 MPa, and elongation at break is 10%. Flexural modulus under ASTM D790-17 is 1,700 MPa, and flexural strength is 70 MPa. Notched Izod impact strength is 0.35 J/cm under ASTM D256-10e1. Shore D hardness is 88 under ASTM D2240-15, and solid density is 1.18 g/cm³ under ASTM D792-20. Heat deflection temperature is 78°C at 0.46 MPa and 62°C at 1.82 MPa under ASTM D648-18. Green-state tensile and thermal values are lower and should not be used for acceptance testing.
In manufacturing practice, the material is used for snap-fit enclosures, master patterns, jigs, fixtures, and prototype interior trim components. It is not represented by the standard datasheet as a food-contact grade, and no USP Class VI claim should be inferred. Steam sterilization is outside the operational boundary because the 1.82 MPa heat deflection temperature of 62°C is below autoclave temperatures. The white surface supports dimensional metrology and paint-line color evaluation, but prolonged ultraviolet exposure can produce cosmetic yellowing. Mechanical properties should be revalidated if weathered parts are used for load-bearing evaluation.
Differences among 3D Systems Accura stereolithography resins are expressed through tensile modulus, elongation at break, notched Izod impact, and heat deflection temperature rather than through a single classification. Accura Xtreme White 200 occupies a mid-range position: it is stiffer and more heat-resistant than Accura 25 but less ductile and less impact-tolerant. In contrast, Accura 60 is a clear rigid resin with higher tensile modulus and lower elongation. The comparison below is drawn from manufacturer-published post-cure representative values and should be verified against current datasheets for the specific platform and batch.
| Property | Accura Xtreme White 200 | Accura 25 | Accura 60 |
|---|---|---|---|
| Tensile modulus, ASTM D638-14 | 2,000 MPa | 1,590 MPa | 2,500 MPa |
| Tensile strength, ASTM D638-14 | 52 MPa | 38 MPa | 55 MPa |
| Elongation at break, ASTM D638-14 | 10% | 15% | 6% |
| Notched Izod, ASTM D256-10e1 | 0.35 J/cm | 0.44 J/cm | 0.30 J/cm |
| Heat deflection temperature at 0.46 MPa, ASTM D648-18 | 78°C | 58°C | 55°C |
In addition to these direct resin comparisons, Accura Xtreme White 200 differs from typical unfilled polypropylene homopolymer. Literature values for unfilled polypropylene frequently report elongation at break above 90% and flexural modulus between 1,100 MPa and 1,400 MPa. Accura Xtreme White 200 therefore presents a stiffer and lower-elongation profile than many unfilled polypropylene grades, making it suitable as a dimensionally stable analog for prototypes but not as a direct substitute for living hinges or high-extension features.
In vacuum-casting master pattern work, the stereolithography part is finished with progressively finer abrasives and sealed before silicone tooling is poured. Dimensional compensation for polyurethane shrinkage is additive; pattern scaling depends on the cast resin specification and cannot be assigned a single universal value. For consumer electronics housing prototypes, the material is sufficiently stiff to accept thread-forming screws, but repeated screw insertion must be controlled because the notched Izod value of 0.35 J/cm indicates limited resistance to sharp-edge stress concentrations. Boss and gate vestige locations should be reviewed for crack initiation risk.
When a snap-fit housing is prototyped in Accura Xtreme White 200, the tensile elongation of 10% under ASTM D638-14 should not be interpreted as an allowable local strain at the snap-fit root. Sharp internal corners, support-removal marks, and printing-layer boundaries act as stress risers. A strain reduction factor of at least 0.5 is commonly applied during initial feasibility calculations, followed by physical verification on printed specimens. The flexural modulus of 1,700 MPa under ASTM D790-17 supports moderate cantilever stiffness, but repeated snap-fit cycles are not within the documented performance envelope. One-time engagement geometries are preferred.
Paint-bake thermal loads impose an additional constraint. At short-term paint-cycle temperatures above the 1.82 MPa heat deflection temperature of 62°C, distortion is probable unless external support fixtures maintain part shape. Long-term continuous use should remain below the 0.46 MPa HDT of 78°C when the part is under low-level structural load. Bonding with cyanoacrylate or epoxy is possible after surface abrasion and solvent drying; mechanical self-tapping screws require pilot-hole diameters validated on printed bosses because layerwise anisotropy affects screw retention torque.
On a ProX 800 production cell, resin temperature is held within a narrow working window, commonly 28–32°C, to control viscosity and recoat behavior. Operation below the lower limit increases resin viscosity, slows recoat, and raises the risk of thin-wall edge curl. Operation above the upper limit can reduce resin working life and promote unwanted dark polymerization in the vat. Layer thickness is normally set at 0.05 mm or 0.1 mm, but each layer thickness requires separate laser power, scan speed, and hatch spacing validation. A change in any one parameter cannot be compensated by intuition because cure depth and lateral overcure respond nonlinearly to laser energy density.
Batch-to-batch variation is addressed through incoming tensile bars produced in the same build orientation as production parts and tested under ASTM D638-14. In field operations, laser aging reduces delivered energy density over time; periodic laser power verification is therefore part of the process control envelope. Builds that mix thin snap-fit walls with thick bosses frequently show differential green-state temperature rise and subsequent distortion during post-cure. Support placement must avoid the snap-fit root where local surface damage reduces effective elongation. Build-line records indicate that support detachment failures are more common when wall thickness falls below 1.0 mm and vat temperature is below 28°C; published failure-rate data for this specific configuration is limited.
After build completion, green parts are removed and transferred to a two-stage wash using the solvent specified in the 3D Systems material handling document. Prolonged immersion in polar solvents should be avoided because solvent uptake can swell the cured network and lower the effective glass transition temperature. Compressed-air drying follows the final rinse; residual solvent on the surface can interfere with post-cure and reduce tensile modulus. Post-cure is not a cosmetic step. The published tensile and thermal values require a radiated UVA cycle in equipment compatible with the resin chemistry; under-cured parts show lower heat deflection temperature and tensile modulus, while over-cured parts can shift elongation downward and increase embrittlement.
Storage of the liquid resin should follow the current 3D Systems safety data sheet and material handling guidance. Containers should be kept closed at the recommended ambient temperature range, typically 20–25°C, and protected from stray light. Shelf-life and opened-container working life are batch-specific and should be tracked by the production control system. Under the European REACH regulation, the material is subject to standard polymer registration obligations; substance restrictions should be confirmed against the current SDS. Under RoHS Recast 2011/65/EU, the cured part is not by itself an electrical or electronic product, but if it is incorporated into EEE, the restricted substance limits apply to the relevant homogeneous material. No generic statement of ISO 10993 biocompatibility should be inferred from the product designation or white color.
