Material Database

Standard Resin-Black

High-precision 3D printing materials suitable for black appearance display, structural verification, assembly inspection, and rapid prototyping.

Material description

Standard Resin-Black is a plastic material commonly used in photopolymerization 3D printing, characterized by a fine surface, high molding precision, excellent detail performance, and a stable and unified color. Compared to white resin, black resin is more suitable for making appearance display pieces, dark-colored product models, structural verification samples, industrial-style models, and black samples that do not require additional coloring.

Black photosensitive resinSLA black resinBlack resin prototype3D printed black resinBlack UV-curable resin
The surface of black photosensitive resin prints is relatively smoothThe lamination is relatively weakThe color is darkerVisually, it makes it easier to hide slight layers and support sanding marksIt is suitable for verifying the appearance of black productsStructural validationAssembly inspection and display model makingEspecially suitable for customers who want to see samples that closely resemble the finished black product
Standard Resin-Black
3D PrintingPlastics

Material compatibility assessment

By focusing on application scenarios, boundaries of advantages, and non-recommended scenarios, it helps sales, customer service, and quoting staff quickly determine whether the material meets current part requirements.

Core advantages

Fine surface, clear details, uniform colors, good visual texture, suitable for dark-colored exterior parts, suitable for complex appearances and detailed structures, and fast delivery speed.

Suitable for the product

Black appearance prototypes, display models, structural verification parts, assembly verification parts, consumer electronics shell models, industrial product models, automotive interior models, instrument and meter shell models, cultural and creative models, small batch samples.

Not suitable for the product

Long-term load-bearing parts, high-temperature use parts, high-impact parts, outdoor long-term use parts, high-frequency snap-fit parts, high-strength threaded parts, long-term immersion parts, high-strength final functional parts, and parts requiring a transparent or light-colored appearance.

Key parameter references

The following parameters come from product information and material knowledge fields, used for design review, quotation communication, and preliminary judgment before material selection.

Material positioningHigh-precision 3D printing materials suitable for black appearance display, structural verification, assembly inspection, and rapid prototyping.
Precision performanceStandard Resin-Black usually has good molding accuracy, making them suitable for ordinary appearance parts and structural verification parts. Actual accuracy is affected by part size, printing direction, support position, post-healing, cleaning, and post-processing methods. Because ferrous materials absorb light more strongly, some devices and parameters may require more stable exposure control.
Dimensional tolerancesStandard dimensional tolerances can refer to ± 0.10mm to ±0.30mm. This value is a reference value for conventional processes and does not guarantee the absolute tolerance of all structures. Small-sized parts usually have better precision, while large-sized parts, thin-walled parts, slender parts, and complex structural parts may have greater dimensional deviations. It is recommended to reserve margin for precision assembly positions and perform post-processing if necessary.
Minimum Wall ThicknessIt is recommended that the wall thickness be no less than 1.0mm. For small non-stressed appearances, localized areas can be about 0.8mm, but large-area use is not recommended. For ordinary structural parts, it is recommended to be above 1.2mm; for large components, it is recommended to be above 1.5mm.
Recommended wall thicknessFor ordinary exterior parts, 1.2mm-2.0mm is recommended; parts requiring sanding, painting, or transport protection should be appropriately thickened; For large-size thin-shell parts, it is recommended to add reinforcing ribs to prevent deformation.
Minimum apertureThe recommended aperture is no less than 1.0mm. Small pores may become smaller due to resin residue, insufficient cleaning, or post-curing effects. It is recommended to reserve machining allowance for precision holes, screw holes, and assembly holes, and drill holes later if necessary.
Assembly clearanceFor ordinary assembly, it is recommended to reserve 0.15mm-0.30mm on one side; for movable fits, it is recommended to reserve 0.30mm-0.50mm on one side; if painting or UV painting is needed later, an additional gap of about 0.10mm-0.20mm should be added on one side.
Detailed performanceRaised text, fine textures, and decorative lines are recommended to be no less than 0.3mm-0.5mm. Black materials can highlight contours and overall shapes, but small details may weaken during printing, cleaning, sanding, or painting. Dark surfaces are sensitive to fine shadows, so display pieces need to pay attention to lighting and surface treatment effects.
Surface effectThe original surface is delicate, with black or deep black color, giving a relatively calm visual texture. After grinding, spraying, or UV coating, it can achieve matte black, glossy black, fine matte black, rubber jet black, and other finishes, making it suitable for product display, customer confirmation, and sample shooting.

Typical application scenarios

Based on material characteristics and suitable product ranges, customer needs are broken down into easier application directions to determine.

Product validation

Black appearance prototypes, display models, structural verification parts, assembly verification parts, consumer electronics shell models, industrial product models, automotive interior models, instrument and meter shell models, cultural and creative models, small batch samples.

Reasons for material selection

High-precision 3D printing materials suitable for black appearance display, structural verification, assembly inspection, and rapid prototyping.

Material characteristics

Black photosensitive resin prints have smoother surfaces, weaker layering, and darker colors, making it visually easier to hide slight layering and support polishing marks. It is suitable for black product appearance confirmation, structural verification, assembly inspection, and model display, especially for samples where customers want to directly see a look close to the finished black product.

Design and risk review

Based on wall thickness, hole position, assembly clearance, dimensional tolerances, and material usage risks, determine in advance whether the part structure is suitable for Standard Resin-Black.

Design considerations

  • It is recommended to avoid walls that are too thin during design
  • Sharp angle
  • Large thin flat areas and slender structures
  • It is recommended to add fillets and reinforcing ribs to the load-bearing positions
  • It is recommended to use embedded nuts for threaded connections
  • The buckle structure should reduce deformation
  • Avoid repeated disassembly and assembly
  • The appearance surface should avoid the support surface as much as possible
Precision performanceStandard Resin-Black usually has good molding accuracy, making them suitable for ordinary appearance parts and structural verification parts. Actual accuracy is affected by part size, printing direction, support position, post-healing, cleaning, and post-processing methods. Because ferrous materials absorb light more strongly, some devices and parameters may require more stable exposure control.
Dimensional tolerancesStandard dimensional tolerances can refer to ± 0.10mm to ±0.30mm. This value is a reference value for conventional processes and does not guarantee the absolute tolerance of all structures. Small-sized parts usually have better precision, while large-sized parts, thin-walled parts, slender parts, and complex structural parts may have greater dimensional deviations. It is recommended to reserve margin for precision assembly positions and perform post-processing if necessary.
Quality riskThe main risk with black photosensitive resin is not whether it can be printed, but rather the impact of thin walls, large parts, snaps, threads, assembly gaps, support marks, and post-processing on the final result. Black surfaces are not sensitive to size issues, but are more noticeable to scratches, dust, oil stains, and localized whitening. If the design is too thin or subjected to excessive force, it is still prone to fracture or deformation.
Surface effectThe original surface is delicate, with black or deep black color, giving a relatively calm visual texture. After grinding, spraying, or UV coating, it can achieve matte black, glossy black, fine matte black, rubber jet black, and other finishes, making it suitable for product display, customer confirmation, and sample shooting.

Post-processing and assembly precautions

Post-processing of Standard Resin-Black affects appearance, dimensions, hole position, assembly clearance, and usage validation results, and should be explained in advance during quotation, DFM review, and sample confirmation stages.

Post-processing options

Post-processing should focus on appearance display, dimensional fitting, connection assembly, and testing verification. Parts involving assembly positions need to be reserved in advance for machining, coating, and trial assembly allowances.

To support itRemove the printed support structure, focus on controlling the support contact points, and avoid cracking at edges caused by hard prying.
PolishingImproves support marks, layer lines, and edge feel, but will slightly alter local dimensions and the shape of sharp edges.
SandblastingAchieve a more uniform matte surface, suitable for engineering prototype display and slight surface mark reduction.
Spray paintEnhances color and appearance consistency, but will increase coating thickness, so assembly surfaces need to allow for clearance.
ColorWhen adjusting appearance colors or display effects, confirm color penetration, color differences, and subsequent assembly effects.
UV paintTo enhance surface gloss, stain resistance, and display texture, the coating thickness in the assembly area must be controlled.
attacked YaSuitable for low-strength thread verification; the hole edge must ensure wall thickness; frequent disassembly or high-torque locking is not recommended.
Embedded nutsTo improve connection reliability, it is necessary to confirm the hole diameter, embedding depth, and surrounding material thickness in advance.

Key control point

Size impactGrinding slightly reduces local dimensions; Painting increases surface thickness; Tapping and embedded nuts affect hole position and local strength; Although the black surface can hide some layers and slight marks, But it also makes dust more visible; Scratches and localized whitening and grinding marks; For appearance parts, it is recommended to clean the surface and treat it uniformly
Assembly clearanceFor positions involving snapping, plugging, sliding, or enclosure closure, the clearance needs to be adjusted according to post-processing thickness, material shrinkage, and trial assembly results.
Hole Position StrengthThreading, inserting nuts, locking screws, and the areas around positioning holes need to ensure wall thickness to avoid cracks, stripped threads, or chipped edges during post-processing or assembly.
Environmental matchingWhen used in high-temperature, outdoor, humid, friction, or load-bearing scenarios, post-processing materials, adhesives, coatings, and fasteners must also meet the corresponding usage environment.

Structure and usage boundaries

For common issues such as threads, snaps, strength, temperature resistance, and weather resistance, identify in advance whether the material needs to be replaced or if another processing method should be used.

Thread Recommendation

Applicable ScopeIt can be used for low-strength tapping verification, but it is not recommended to directly print high-strength threads or frequently remove and install threads.
Risk pointIf reliable connections are needed, it is recommended to use embedded copper nuts or post-processed threads.
Recommended practiceIt is recommended to confirm wall thickness, fillets, assembly clearances, and post-processing effects in advance during drawing review, and to switch to more suitable materials or processes if necessary.

Buckle recommendation

Applicable ScopeOrdinary black photosensitive resin is not suitable for high-frequency snap-on structures.
Risk pointIf a snap must be designed, add rounded corners, thicken the root, reduce deformation, and preferably use it for one-time or low-frequency assembly verification.
Recommended practiceIt is recommended to confirm wall thickness, fillets, assembly clearances, and post-processing effects in advance during drawing review, and to switch to more suitable materials or processes if necessary.

Strength and Environment

Mechanical strengthMedium strength, relatively high hardness, but average toughness.
Environmental boundarySuitable for visual verification, dimensional verification, and low-strength structural verification; not recommended for long-term load-bearing or high-impact functional parts.
Recommended practiceOrdinary black photosensitive resin has average temperature resistance and is recommended for use in ambient environments. It is not suitable for long-term exposure to high-temperature environments and is not recommended for final functional parts near heat sources. Black materials absorb heat more noticeably, so direct sunlight or high-temperature environments require extra attention to the risks of deformation and aging. Prolonged UV exposure may cause aging, brittleness, or changes in surface gloss. Black surfaces are less likely to appear yellow compared to white, but may show gray, fading, whitening, or brittleness. If used for display pieces or with higher appearance requirements, it is recommended to apply painting or surface protection treatment.

Alternative material selection and final judgment

When customer demand exceeds Standard Resin-Black material boundaries, it is necessary to combine strength, temperature resistance, toughness, long-term stability, and mass production goals to promptly recommend alternative materials or processing technologies.

Alternative material suggestions

If higher toughness is required, black toughness photosensitive resin can be chosen; If near-ABS performance is needed, black ABS resin can be chosen; If better performance of functional components is needed, you can choose nylon Nylon (PA)12 dyed black or black nylon; If you need performance closer to mass-produced plastics, you can choose CNC ABS black or CNC Acetal (POM) black; If high strength is required, CNC aluminum alloy can be selected and then anodized with black anodizing or sandblasting.

Material selection suggestions

If customers mainly care about the black appearance, detail performance, prototyping speed, and display effect, black photosensitive resin is a suitable choice. If customers care about long-term strength, temperature resistance, impact resistance, wear resistance, or long service life, priority should be given to tough resins, nylon, CNC plastics, or metal processing.

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