Barbottina: che cos'è e come si realizza?

Scuola di ceramica online

18 Aug 202203:15

Summary

TLDRThis video script is a tutorial on making and using 'barbottina,' a ceramic slip used for joining pieces in pottery. The host explains what barbottina is, its consistency, and how to make it from dry clay scraps and water. They provide step-by-step instructions, highlighting the importance of using the same clay body and thoroughly mixing to avoid lumps. The host also offers tips, such as storing barbottina in a covered container for later use and straining it before application. Overall, the script aims to guide viewers, especially beginners, through the process of creating and utilizing this essential ceramic adhesive.

Takeaways

😃 Barbottina is a ceramic glue made from the same clay mixture used for modeling, but with a thicker, liquid-like consistency.
🧱 Barbottina is used to join or attach different ceramic pieces together, such as attaching a handle to a cup.
🔨 To make barbottina, take dry clay scraps, break them into small pieces or powder, and mix with a small amount of water until it reaches a thick, liquid consistency.
💡 The ideal barbottina should have no lumps or dry pieces, so straining it through a fine mesh is recommended.
🥫 Store barbottina in an airtight container with a lid so it can be reused multiple times.
⚠️ Make sure to use the same clay mixture for both modeling and making barbottina, or it may cause issues.
🧑‍🎨 Having pre-made barbottina ready in a container is convenient for joining ceramic pieces when needed.
💬 If you're a beginner, don't hesitate to ask questions about barbottina in the comments for clarification.
🔄 Barbottina can be reused multiple times, so it's recommended to store it properly for future use.
🌱 By understanding and using barbottina correctly, beginners can learn an essential technique for joining ceramic pieces.

Q & A

What is 'barbottina' in the context of ceramics?
-Barbottina is a clay slip or thin clay paste used by ceramists to join different pieces of clay together. It has a liquid consistency but is denser than water.
How is barbottina made?
-Barbottina is made by mixing small pieces or powder from dry clay scraps with a small amount of water until it reaches a dense, liquid-like consistency without any lumps or undissolved pieces.
What is the purpose of using barbottina in ceramics?
-Barbottina is used as a 'glue' or adhesive to join different ceramic pieces together, such as attaching a handle to a cup or combining different sections of a sculpture.
Why is it important to use the same clay for making barbottina as the one used for modeling?
-Using the same clay ensures compatibility and prevents potential issues that may arise from mixing different clay types, which could lead to problems during firing or affect the final strength and appearance of the piece.
How should barbottina be stored for later use?
-Barbottina should be stored in an airtight container with a lid to prevent it from drying out. This way, it can be reused multiple times.
What is the recommended practice for using barbottina?
-It is recommended to sieve or strain the barbottina before use to remove any remaining lumps or undissolved pieces, which could cause imperfections in the final ceramic piece.
Is it necessary to make fresh barbottina every time it is needed?
-No, it is a good idea to keep some pre-made barbottina ready in a container, so it is readily available whenever needed for joining ceramic pieces.
Can barbottina be used for any purpose other than joining ceramic pieces?
-While the primary purpose of barbottina is to join ceramic pieces, it can also be used for minor repairs or filling in small cracks or imperfections in ceramic works.
Is there a specific consistency that barbottina should have?
-The ideal consistency for barbottina is thick and dense, but still liquid enough to be brushed or applied easily. It should not be too thin or too thick, as either extreme can make it difficult to work with.
What should a beginner do if they have doubts or questions about using barbottina?
-Beginners are encouraged to ask questions or seek clarification in the comments section if they have any doubts or issues regarding the use of barbottina. The instructor is willing to help and provide guidance.

Outlines

00:00

🖋️ Understanding Barbottina: The Ceramist's Glue

The paragraph introduces the term 'barbottina', which is a liquid clay mixture used as an adhesive for binding ceramic pieces together. It explains that barbottina is made by mixing dry clay scraps with a small amount of water to create a thick, dense paste. The consistency of barbottina should be thick enough to bind pieces but not too solid. It is essentially the same clay mixture used for modeling, but with a different consistency. The paragraph emphasizes the importance of using the same clay mixture as the pieces being joined and provides instructions on how to make barbottina by grinding dry clay scraps into powder and mixing them with a small amount of water.

Mindmap

Keywords

💡Barbottina

Barbottina refers to a liquid clay slip used in ceramics for various purposes such as joining clay parts together. It acts like a 'ceramic glue' by providing a strong bond between pieces once fired. In the video, barbottina is described as having a dense, but not compact, consistency. It's made by mixing clay with water to achieve a specific thickness. The video emphasizes its use for attaching parts like handles to mugs, highlighting its crucial role in the construction and repair of ceramic pieces.

💡Ceramica

Ceramica, or ceramics, refers to the art and science of making objects from inorganic, non-metallic materials by the action of heat. The video focuses on ceramic processes, specifically how to use barbottina to join ceramic pieces. Ceramics include a wide range of products such as pottery, tiles, and sculptures, and the video aims to educate beginners on fundamental techniques in ceramic art.

💡Impasto

Impasto in the context of ceramics refers to the clay mixture used to form ceramic objects. The term is mentioned in the video to differentiate between the standard clay mixture (impasto) used for shaping and modeling, and barbottina, which is a more liquid version of the impasto used as adhesive. This distinction helps viewers understand the various states of clay and their specific applications in ceramic work.

💡Consistenza

Consistenza, or consistency, is described in the video as a key property of barbottina, indicating its thickness or fluidity. The consistency of barbottina is important for its application in ceramics; it needs to be dense enough to bond parts effectively without being too thick or too runny. Adjusting the water content in the mixture controls this property.

💡Manufatto a durezza

Manufatto a durezza refers to the state of ceramic pieces that are leather-hard, a specific stage in the drying process of clay where it is still damp enough to join together but firm enough to hold shape. The video advises that both pieces to be joined with barbottina should be at this leather-hard stage for optimal adhesion.

💡Scarti secchi

Scarti secchi translates to 'dry scraps' and refers to leftover or excess pieces of clay that have dried out. The video explains how these dry scraps can be recycled to make barbottina by breaking them into small pieces and mixing with water, highlighting the sustainable practice of reusing materials in the ceramic process.

💡Setacciare

Setacciare means 'to sieve' or 'to sift.' In the context of the video, it's advised to sieve the barbottina to remove lumps and ensure a smooth consistency. This step is crucial for achieving a homogenous mixture that can effectively bond ceramic pieces without leaving imperfections.

💡Contenitore col coperchio

Contenitore col coperchio refers to a 'container with a lid' used for storing barbottina. The video suggests keeping barbottina in a sealed container to prevent it from drying out, allowing it to be reused multiple times. This advice is part of maintaining the quality and usability of the slip over time.

💡Pennello

Pennello, or brush, is mentioned as a tool for applying barbottina to ceramic pieces. A brush is used to ensure an even coating and to reach into tight spaces when joining parts. The video includes this detail to guide beginners on the proper application techniques for using barbottina.

💡Grumi

Grumi means 'lumps.' The video highlights the importance of eliminating lumps in the barbottina to ensure a smooth application and strong bond between ceramic pieces. Lumps can weaken the joint or cause imperfections, so sieving the barbottina is recommended to achieve a lump-free consistency.

Highlights

The term 'barbottina' refers to a liquid clay mixture used in ceramics for joining pieces together.

Barbottina is made by mixing dry clay scraps with a small amount of water to create a thick, dense consistency, but not a compact paste.

Barbottina is essentially the same clay body used for modeling, just with a different consistency.

To make barbottina, take dry clay scraps, break them into small pieces, and mix with a little water until a thick, dense consistency is achieved.

It's important to keep barbottina in a covered container so it can be reused multiple times.

Barbottina must be made from the same clay body that was used for modeling, otherwise it could cause problems.

It's recommended to sieve barbottina well to remove any lumps or dry pieces that may cause issues.

It's convenient to have barbottina pre-made and stored in a jar, ready to use when needed for joining pieces together.

For beginners, don't hesitate to ask questions about barbottina in the comments section.