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Tech & QA
Vowin Material Specification And Capability
| Process | Stereolithography (SLA) | Selective Laser Sintering(SLS) |
| Process Description | SLA builds plastic parts a layer at a time using a laser to cure liquid photopolymer. SLA produces parts with very good dimensional accuracy and surface finish. Vowin employs master model makers to finish your SLA parts accurately to your 3D Data. Choices of materials are available to emulate a variety of thermo plastics. | SLS uses a laser to trace over powder to selectively melt and bond the layers until the part is built. SLS builds parts in durable materials including Nylon and metals. A good choice for proto's that need to be tough. |
| Materials (see details on back) | ABS-like: Somos 14120 PP-like: Accura 25 Clear: Accura 60 | Nylon Nylon GF Wax Metals |
| Model Making Finish | Standard: Support Removal & Bead Blast Engineering Review: Above + Wet Sanding Exterior Show Model: Master finish on exterior cosmetic area's High Show Model: Clear parts with interior+exterior polish | |
| Secondary Finish | Paint Texture Polish Semi-Clear Plating Metallic Artwork Threaded Inserts | Paint Texture Polish Plating Metallic Artwork Threaded Inserts |
| PolyJet utilizes an inkjet that deposits photopolymer onto a build tray, the layers are cured by UV. PolyJet builds in super thin layers down to just 16 microns (0.0006 inch). Best for small parts with fine details. | FDM extrudes material via a nozzle. The nozzle is mounted to a mechanical stage which can be moved in both horizontal and vertical directions. FDM builds parts in ABS and PC. Surface finish and accuracy is rougher than our other RP processes. | The Rapid Casting process utilizes a master pattern to create a silicone rubber mold. Duplications are then cast in a vacuum chamber. Parts are very durable and cosmetically resemble injection molded parts. Vowin specializes in casting for Low Quantity Production, Over molded Parts, Lens, and Large Parts. |
| ABS-like TPE-like: Tango (Black or Gray) | ABS Polycarbonate Wax | ABS-like ABS/PC-like PP-like TPE-like Acrylic-like UL VO |
| Standard: Support Removal & Bead Blast Engineering Review: Above + Wet Sanding Exterior Show Model: Master finish on exterior cosmetic area's High Show Model: Clear parts with interior +exterior polish | None | Custom Molded-in: • Colors • Textures • Polish |
| Paint Texture Polish Semi-Clear Plating Metallic Artwork Threaded Inserts | Paint Texture Plating Metallic Artwork Threaded Inserts | Molded-in Color Molded-in Texture Rubber Overmolding Insert Molding High Polish Clear & Tints Metallic Paint & Plating Artwork Threaded Inserts |
Prototyping Material Data Sheet
Rapid Prototyping Material Properties
| Name | Tensile Strength | Notch lzod |
| SLA: PP-like | 38 Mpa (5450-5570 PSI) | 9-24J/m (0.4 ft-lb/in) |
| SLA: Clear | 58-68 Mpa (8410-9860 PSI) | 15-25J/m (0.3-05 ft-lb/in) |
| SLA: ABS-like | 45.7 Mpa | 23.5 J/m |
| SLS: Nylon | 44 Mpa | 8.5J/m |
| SLS: Nylon GF (Glass-Filled) | 38.1 Mpa | 602J/m |
| Objet: ABS-like | 49.9 Mpa | 37.5J/m |
| Objet: TPE-like (Elastomer) | 2.0 | NA |
| Heat Deflection/ Glass Transition | Durometer | |
| @66 PSI 58-63℃ (136-145°F) @264 PSI 51-55 ℃(124-131°F) | Shore D 80 | |
| @66 PSI 53-55℃ (127-131°F) @264 PSI 48-50℃ (118-122°F) | Shore D 86 | |
| @0.46 Mpa 53℃ | Shore D 81 | |
| DTUL 0.45 Mpa ASTMD648: 177 °C | NA | |
| DTUL 0.45 Mpa ASTMD648: 175 °C | NA | |
| @66 PSI/264 PSI 120°F-49°C/ 113°F49°C | Shore D 83 | |
| NA | Shore A 61 |
Urethane Casting Rigid Material Data Sheet
| Name | Tensile Strength | Notch lzod |
| UL-Rated | 10650 PSI | 1.6 ft. lbs/in |
| UL-Rated | 10650 PSI | 1.6 ft. lbs/in |
| PP-like | Mpa 25 | NA |
| ABS-like | Mpa 70 | kJ/m² 70 |
| ABS/PC-like (High Temp) | Mpa 61 | kJ/m² 41 |
| Acrylic-like / Tinted | Mpa 75 | charpy impact strength kJ/m² 27 |
| Heat Deflection/ Glass Transition | Durometer | |
| @66 PSI 179° F | Shore D1 85 | |
| 55°C | Shore D1 70 | |
| 92°C | Shore D1 82 | |
| T.M.A. Mettler 220°C | Shore D1 80 | |
| HDT 1.8 Mpa 100°C | Shore D1 87 |
Urethane Casting Elastomer Material Properties
| Name | Tensile Strength | Notch lzod |
| TPE-like (30A - Elastomer) | 675 PSI | NA |
| TPE-like (40A - Elastomer) | 65 PSI | NA |
| TPE-like (50A - Elastomer) | 845 Elasticity @100% strain 150 @200% strain 275 @300% strain 390 | NA |
| TPE-like (60A - Elastomer) | 685 Elasticity @100% strain 312 @200% strain 497 @300% strain 623 | NA |
| TPE-like (80A - Elastomer) | 1,900 | NA |
| Heat Deflection/ Glass Transition | Durometer | |
| NA | Shore A 32±2 | |
| NA | Shore A 42±2 | |
| NA | Shore A 50±2 | |
| NA | Shore A 60±2 | |
| NA | Shore A 80±2 |
Quality Assurance:
We have achieved ISO 9001:2000 Certirication. "Integrity Centered, Customer First, Quality Priority and Continuous Improvement" is our quality policy.
We have a complete set of standards for Prototype make, mold design, fabrication an inspection shich comply with the quality requirements of Europe,USA and Japan.
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