This summary of the video was created by an AI. It might contain some inaccuracies.
00:00:00 – 00:11:10
The video discusses the evaluation of various 3D printing resins based on their performance in the flexural strength test, pricing, and suitability for different applications. The presenter outlines the challenges and flawed methodology of their testing process but still provides qualitative assessments. Key resins evaluated include:
1. **Elgoo ABS-like photopolymer**: Noted for its slight flexibility but criticized for brittleness and cost.
2. **Anycubic Tough resin**: Praised for strength and print quality but deemed expensive.
3. **Liquid Rubber F69**: Highly flexible and versatile, yet costly and difficult to support.
4. **IForm 182**: Appreciated for ease of printing and rigidity at a reasonable price.
5. **Epax Hard resin**: Suitable for large-format printers due to its rigidity.
6. **Sunlu resin**: The best overall value, rigid, and cost-effective when bought in bulk.
7. **Tenacious by Soriatec**: Noted for durability and high flexural strength.
The Sunlu PA or nylon type is highlighted as a favorite for its matte finish, high durability, and affordability. The presenter emphasizes non-bias despite not being sponsored, underscoring Sunlu's ease of use and bulk buying benefits.
00:00:00
In this part of the video, the speaker explains the process and challenges faced during a flexural strength test, also known as the three-point bending test. They highlight that they discovered the nature of the test only after performing it, and outline the differences between flexural strength and tensile strength tests. Additionally, they admit to not controlling several critical variables such as the amount of force and acceleration, leading to potentially invalid results. Despite using a small sample size of six per material, which they acknowledge as poor testing methodology, they suggest that some qualitative assessments can still be made by comparing the sturdiness of the test samples.
00:03:00
In this part of the video, the presenter begins by discussing the worst-performing resins, starting with the Elgoo ABS-like photopolymer resin. Despite its slight flexibility and crack resistance, it’s considered too brittle, costly, and has an impractical six-second exposure time. Next, the Anycubic Tough resin is mentioned, praised for its strength, nice print quality, and durability, but criticized for its high price of $50 per bottle, offering poor value. Lastly, the Liquid Rubber F69 is described as highly flexible and versatile but very expensive and difficult to support due to its flexibility, with a price tag of $75 on Amazon. The presenter then moves on to mid-tier performers, starting with the IForm 182, noted for its ease of printing, vibrant color, and excellent rigidity and flexural strength, making it suitable for functional parts, and reasonably priced at $32.99 per kilogram.
00:06:00
In this segment of the video, the presenter discusses different 3D printing resins, focusing on their characteristics, pricing, and performance. They start by reviewing Epax Hard resin, noting its rigidity and suitability for large-format 3D printers due to its resistance to flexing. This resin costs $41.99 per kilogram, but buying in bulk reduces the price to $38 per kilogram.
Next, the presenter highlights the Sunlu resin, praising it as the best overall value despite its tendency to discolor. Sunlu resin is very rigid and difficult to break, priced at $22 per bottle when buying five kilograms. For smaller printers, they recommend the iForm resin, which is similar in performance but priced at $33 per bottle.
Finally, the presenter talks about Tenacious by Soriatec, noting it is highly durable and has an appealing smell but requires thorough cleaning due to its viscosity. This resin had the second highest flexural strength in their tests.
00:09:00
In this segment, the speaker discusses various resins for 3D printing, focusing on their quality, durability, and cost-effectiveness. They highlight a resin available for $53, suggesting it could be used as an additive to improve the durability of products. The speaker then praises their favorite resin, the Sunlu PA or nylon type, noting its excellent value and impressive properties such as a matte finish and high durability. The resin is available at a significant discount if bought in bulk. Despite not being sponsored by Sunlu, the speaker is impressed with their products, emphasizing their cost-effectiveness and ease of use.