BVOH Filament: Everything You Need to Know

Verbatim BVOH Filament

Unlock the potential of BVOH Filament for 3D printing, exploring its application as a water-soluble support material for intricate designs and complex models.


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Introduction

Butenediol Vinyl Alcohol Co-polymer (BVOH) filament is a water-soluble support material designed to revolutionize complex 3D printing processes. Unlike traditional support materials which require manual removal, BVOH filament dissolves in water, providing a seamless way to create intricate models with overhangs, cavities, and internal geometries that would be challenging or impossible to produce otherwise. This characteristic makes BVOH an indispensable tool for professional applications where precision and efficiency are critical.

BVOH filament stands out due to its compatibility with a wide range of primary materials, including PLA, ABS, PETG, and Nylon, making it a versatile support option for multi-material 3D printing. Its exceptional solubility in water surpasses that of other soluble materials like PVA, ensuring faster and more complete dissolution. This fast-dissolving nature of BVOH significantly reduces post-processing time, enhancing productivity and the quality of finished parts.

About BVOH Filament

The chemical characteristics of BVOH allow for excellent adhesion to a variety of printing materials while ensuring easy removal by simply immersing the printed object in water. Its ability to dissolve rapidly and completely without leaving any residue elevates the quality of the final print, presenting a smooth, clean finish on the supported surfaces.

However, BVOH’s absorption of moisture not only from its environment but also from the air, significantly impacts its storage and handling requirements. It is essential to store BVOH in airtight containers with desiccants to prevent it from degrading and ensure a consistent printing experience. Despite these considerations, BVOH’s superior performance as a support material makes it a preferable choice for professionals and enthusiasts tackling complex 3D printing projects.

Possible Applications of BVOH Filament

Engineering and Prototyping

BVOH is particularly useful in the engineering sector for creating intricate prototypes that require internal supports or have complex geometries. It facilitates the production of parts that would otherwise require multi-step manufacturing processes.

Medical Models and Prosthetics

In the medical field, BVOH is instrumental in producing detailed anatomical models and custom-fit prosthetics, allowing for the creation of cavities and overhangs that are crucial to replicating human anatomy accurately.

Art and Design

For artists and designers, BVOH opens up new possibilities in creating intricate sculptures and jewelry. The ability to easily dissolve away support material means that more complex and delicate designs can be realized.

Educational Tools

In educational settings, BVOH enables the production of complex educational models, such as geometric shapes or mechanical components, that help in teaching complex concepts in a tangible way.

Pros and Cons of BVOH Filament

Pros: The primary advantage of BVOH is its solubility, which allows for the easy removal of supports, thereby enabling the creation of parts with complex geometries while maintaining high surface quality. It’s compatible with a wide range of materials, broadening its applicability in multilateral projects. Additionally, the quick dissolution rate of BVOH saves significant post-processing time.

Cons: The main drawback of BVOH is its high sensitivity to moisture, which requires careful handling and specialized storage conditions to maintain its printability. Also, the cost of BVOH can be higher than traditional support materials, which might be a consideration for budget-conscious users. Lastly, its water solubility means it’s not suitable for creating the main body of objects intended for use in moist or wet conditions.

#Verbatim BVOH Filament

Material Settings of BVOH Filament

SettingValue
Print Temperature [°C]190 – 220
Build Plate Temperature [°C]25 – 75
Print Speed [mm/s]40 – 60
Cooling Fan [%]30 – 100
Enclosed Build ChamberNot Required
Air ManagementRecommended
Min Active Heated Build Chamber Temperature [°C]Not Required
DryingRequired
AnnealingNot Required

Achieving optimal results with BVOH requires maintaining a balance between temperature and humidity, both in storage and during printing. Pre-drying the filament before use is often necessary to ensure the best print quality and material dissolution.

Mechanical Properties of BVOH Filament

Due to the specific nature and purpose of BVOH as a water-soluble support material, detailed mechanical properties relevant to structural applications are generally not applicable or provided. The focal point for BVOH is its solubility rate and compatibility with various primary materials, rather than its strength or thermal resistance.

Material Comparison

Given the specialized function of BVOH as a support material, a direct comparison with structural filaments like PLA, ABS, or PETG is not applicable. Instead, BVOH is compared with other support materials such as PVA in terms of solubility, print conditions, and compatibility with a range of primary materials, where BVOH often shows superior dissolution rates and broader compatibility.

FAQ´s about BVOH Filament

What sets BVOH apart from other support materials?

BVOH stands out due to its fast dissolution in water, compatibility with a wide array of primary printing materials, and excellent surface finish on supported parts.

How should BVOH filament be stored?

BVOH should be stored in an airtight container with desiccants to protect it from moisture, which can adversely affect its printing performance and solubility.

Can BVOH be used with any type of 3D printer?

BVOH can be used with dual-extrusion 3D printers capable of handling water-soluble support materials, making it versatile across different printer models and brands.

Is BVOH safe for creating food-related objects?

BVOH is generally not recommended for food-related objects due to its water-soluble nature and the potential for object degradation when in contact with moisture.

How long does it take for BVOH supports to dissolve in water?

The dissolution time for BVOH depends on the volume of the support material and the temperature of the water, with warmer water significantly speeding up the process. Typically, supports can dissolve within a few hours.

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