Quick Look

HardnessTensile Strength (Mpa)Young's Modulus (Mpa)Elongation at Break, %Impact Strength (KJ/m²)
76 Shore D35-40150080>100

About the Material

Here’s an overview of the General Purpose material for Urethane Casting, focusing on its properties and typical applications:

General Purpose Material Advantages:

  • Versatile Performance: General Purpose materials offer a balanced combination of mechanical properties, making them suitable for a wide range of applications, from prototyping to low-volume production.

  • Good Surface Finish: This material is capable of achieving a smooth surface finish, making it ideal for parts that do not require high-precision or high-performance characteristics but still demand good aesthetics.

  • Ease of Processing: It is relatively easy to process, making it ideal for quick-turn prototyping and low-cost manufacturing runs.

  • Cost-Effective: General Purpose urethane materials are more affordable compared to higher-performance materials, offering a cost-effective solution for a variety of applications.

General Purpose Material Limitations:

  • Moderate Mechanical Properties: While suitable for many applications, General Purpose materials generally have lower tensile and flexural strength compared to specialty materials like ABS-Like or PP-Like, limiting their use in high-stress or demanding applications.

  • Lower Heat Resistance: General Purpose materials typically cannot withstand high-temperature environments for prolonged periods and are generally limited to temperatures below 80-100°C.

  • Limited Chemical Resistance: This material may not perform well in highly corrosive environments or in contact with strong acids or solvents, making it unsuitable for certain industrial applications.

Physical Properties Table for General Purpose Material:

PropertyValue/Description
Hardness (Shore D)60-80
Density1.0-1.2 g/cm³
Cubic Inches per Pound20-28
ColorNatural, Custom Colors
Tensile Strength20-40 MPa
Tensile Modulus500-1500 MPa
Elongation at Break5-15%
Flexural Strength40-60 MPa
Flexural Modulus700-1500 MPa
Shrinkage (linear)0.3-0.7%
Impact Strength5-15 kJ/m²
Bending Strength40-60 MPa
Glass Transition Temperature50-80°C
Maximum Pouring Thickness8-10 mm
Demold Time1-2 hours

Chemical Properties Table:

PropertyValue/Description
Water AbsorptionLow (<0.3%)
Acid ResistanceModerate
Alkali ResistanceModerate
Oil ResistanceGood
Solvent ResistanceModerate

Design Parameters:

Maximum   Bulid Size (mm)Minimum Wall   Thickness (mm)Minimum   Assembly Gap (mm)ToleranceMinimum End   Mill Size (mm)Minimum Drill   Size (mm)
500x500x50010.20.50%//

Industry Applications and Customer Case Studies:

  • Prototyping: General Purpose materials are frequently used for rapid prototyping of parts that need to mimic the performance of production plastics without the need for high performance or extreme durability.

  • Consumer Goods: Ideal for producing non-critical components in consumer products, such as housings, bezels, and trim pieces.

  • Automotive: Suitable for making prototype parts, interior components, or decorative pieces for automotive applications.

  • Electronics: Used in the creation of enclosures and prototypes for electronic devices that do not require high heat or chemical resistance.

  • Medical Devices: Used for prototyping non-critical medical components where cost-effective, rapid production is more important than high mechanical performance.

Frequently Asked Questions (FAQs):

  1. What are the temperature limits for General Purpose material?

    • General Purpose materials typically perform well in environments with temperatures below 80-100°C. For higher temperatures, more specialized materials should be considered.

  2. Is General Purpose material UV resistant?

    • This material is not highly resistant to UV radiation, and prolonged exposure to sunlight may cause degradation. Protective coatings or surface treatments are recommended for outdoor use.

  3. Can General Purpose material be painted or coated?

    • Yes, it can be painted or coated, but surface preparation (such as sanding or priming) may be required for optimal adhesion.

  4. What is the demold time for General Purpose material?

    • Demold time typically ranges from 1 to 2 hours, depending on the part size and complexity.

  5. Can General Purpose materials be used for high-stress applications?

    • While suitable for a variety of applications, General Purpose materials are not recommended for high-stress environments. Parts requiring high tensile strength or impact resistance should consider specialty materials.

  6. Is General Purpose material suitable for food contact applications?

    • General Purpose materials are typically not certified for direct food contact applications. For food-safe materials, you should consult with the manufacturer for certified grades.

Finishing Options

Name
Colors
Can Be Applied with
A standard finish where the master pattern undergoes minimal processing to achieve a matte or frosted appearance on opaque and translucent materials, as appropriate.
Matte/Frosted
A standard finish where the master pattern undergoes minimal processing to achieve a matte or frosted appearance on opaque and translucent materials, as appropriate.
The master pattern is further processed to smooth the surface, resulting in a semi-gloss finish on the cast parts.
High-Gloss
The master pattern is further processed to smooth the surface, resulting in a semi-gloss finish on the cast parts.
The master pattern is extensively polished to create a very smooth surface, producing glossy or clear parts when cast.
Semi-Gloss
The master pattern is extensively polished to create a very smooth surface, producing glossy or clear parts when cast.
A range of SPI and Mold-Tech mold finishes are available, replicating the surface textures typically found on injection-molded parts.
Textured
A range of SPI and Mold-Tech mold finishes are available, replicating the surface textures typically found on injection-molded parts.

Parts Made by AutofabX

Urethane Casting(Silicone/Vacuum Casting)