Photopolymer
PP-Like Flexible Resin
Flexible Polypropylene Equivalent
Fatigue-resistant technical resin mimicking Polypropylene (PP), ideal for living hinges and flexible parts.
| Compatible Technologies | SLA/DLP Printing |
| Tensile Strength | 2 MPa |
| Heat Deflection Temperature (HDT) | - |
| Hardness | 57 (Shore A) |
| Available Colors | Translucent |
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Why Choose PP-Like Flexible Resin?
PP-Like Flexible Resin is a high-performance photopolymer that brings the flexibility and durability of industrial Polypropylene (PP) to Resin 3D Printing (SLA / DLP). Unlike standard brittle resins, this material offers high fatigue resistance. It is ideal for “living hinge” designs that require repeated flexing, snap-fit assemblies, and functional prototypes needing high elongation. With its semi-translucent appearance and smooth finish, it is a preferred choice for Functional Prototyping in the bottling and packaging industries.
Advantages
High Fatigue Resistance: Withstands repeated bending without failure, making it perfect for integral hinge applications.
Snap-Fit Capability: Its flexible nature allows mounting clips and tabs to flex and snap into place without breaking.
Watertightness: Enables the production of leak-proof prototypes for bottles, caps, and reservoirs.
Smooth Finish: Offers an aesthetic surface finish with minimal layer lines, closely resembling end-use plastics.
Limitations
Support Marks: Due to the SLA printing process, support structures on the bottom surfaces need to be removed and sanded.
UV Sensitivity: Prolonged exposure to direct sunlight may cause discoloration or over-curing (becoming brittle) over time.
Heat Resistance: Slightly lower heat deflection temperature compared to molded PP (Typically 50-60°C).
Mechanical Properties
Metric Measurements
Elastic Modulus
0.013 GPa
Elongation at Break
70 %
Density
1.15 g/cm³
PP-Like Resin FAQ
What is the difference between PP-Like and Standard Resin?
Standard resins are hard and brittle like glass; they shatter upon impact or bending. PP-Like Flexible Resin behaves like Polypropylene; it flexes under impact, resists bending forces, and is reliable for mechanical verification before Low Volume Production.
Is this material suitable for “Living Hinges”?
Yes. Thanks to its high elongation at break, PP-Like Resin can withstand thousands of opening and closing cycles in single-piece hinge designs, such as shampoo caps.
Can it be used for fluid flow testing?
Yes. Parts printed with PP-Like Resin are watertight. It is ideal for observing fluid flow in bottles, valve bodies, or pipe connectors during Functional Prototyping.
Can the parts be painted?
PP-Like Resin parts have a smooth surface, but paint adhesion can be challenging due to its surface energy. Painting is possible with the application of specific primers.
Which industries use this material?
The packaging (FMCG), Consumer Electronics, and automotive sectors frequently use this material for prototyping clips, caps, and flexible connectors.
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