What Is Porcelain and How to Use It in Practice

Porcelain is a ceramic material used to create decorative forms, figures, tableware, and other ceramic pieces. If you are wondering how to use porcelain, the main principle is this: prepare the material evenly, shape it into the desired form, let it dry slowly and completely, and then fire it under the conditions specified in its technical instructions.

Porcelain requires precision. Too much water, walls of varying thickness, or accelerated drying can damage the form. For your first attempt, it is therefore better to begin with a small, simple sample and plan every stage in advance.

What porcelain is and what it is used for

In everyday speech, porcelain often refers to finished tableware, while in a ceramics studio the same word may also describe the raw working material. Before buying, clarify whether the product is a finished item, a plastic body, a casting body, or a product prepared in another form, as the processes for using them differ.

Plastic porcelain body is used for hand-building, rolling into slabs, and working with suitable ceramic techniques. Do not determine a particular material’s color, working properties, or firing conditions from its name alone; the instructions on the packaging or in the manufacturer’s technical documentation are decisive.

What to prepare before you begin

The work surface should be clean and free of dust, crumbs, and residues of differently colored materials. Stray particles can easily become visible on porcelain, so clean your tools beforehand as well. Prepare only as much material as you will use during the current session, and immediately wrap the remainder.

• Work board: A smooth, clean, and stable surface.
• Shaping tools: A cutting wire, wooden or plastic tools, and a rolling pin if needed.
• Water: A small amount for controlled moistening.
• Wrapping material: Plastic film or a closed container for slowly drying the piece and storing the raw body.
• Drying area: A level surface away from direct sunlight, strong airflow, and heat sources.
• Notes: The material’s name, the start date, and the key parameters from the technical instructions.

If you are choosing a material for the first time, browse the porcelain and ceramic materials collection and compare the product form, packaging information, and intended use. Choosing solely by appearance or color is not enough.

How to use porcelain: a step-by-step process

1. Plan the form and thickness

First, draw a simple sketch and decide where the piece will have its base, joints, and thinnest section. For your first project, avoid very large sizes, long projecting details, and sharply varying thicknesses. A simple form allows you to see more clearly how the material responds to moisture, pressure, and drying.

2. Prepare the working body

Take the required amount and work it carefully until the body is uniform. The aim is to achieve even moisture and reduce hidden air pockets. If the surface sticks heavily to your hands, do not rush to add water; first check whether the work surface or your hands are too wet.

3. Create the basic form

Work consistently and check the wall thickness periodically. Thin and thick sections lose moisture at different rates, creating stress during drying. When refining the form, small repeated movements are easier to control than a single application of heavy pressure.

4. Join the parts

Attach parts when their moisture levels are similar. Prepare the joint according to your chosen technique and provide sufficient support. A heavy element attached only to the surface may come away during drying, so treat the joint as part of the structure rather than as a final decoration.

5. Dry slowly

Cover the piece lightly during the initial stage and check the edges, handles, and other fast-drying parts from time to time. If necessary, reposition the cover so that moisture is lost evenly. Prepare the form for firing only after it has dried completely; a surface that feels dry on the outside does not necessarily mean that a thick inner section is also dry.

6. Check the instructions before firing

Do not select a firing schedule based on guesswork or experience with another material. Record the instructions for the specific product and review them with the kiln operator. For example, SIO 2 - UPSALA porcelana azul / Blue Porcelain 5 kg is a material with a specific name and package size; when using it, rely on that product’s technical information rather than on a general rule for porcelain.

Common mistakes and how to avoid them

• Too much water: It temporarily softens the body but makes the form harder to control. Add water in small amounts and only where needed.
• Uneven thickness: This is especially problematic at the base, edges, and attached details. Check the thickness at several points while working.
• Fast drying: Sunlight, a heater, or strong airflow dries the surface prematurely. Choose a calm environment and remove the cover gradually.
• Joining wet and firm parts: Differences in moisture weaken the joint. Prepare the parts at the same stage or equalize their condition beforehand.
• Mixing unfamiliar materials: Do not combine different bodies and coatings without confirming compatibility in advance. Make a small test sample first.
• Choosing a firing schedule arbitrarily: Instead of using universal parameters, always check the instructions for the specific material.

Caring for porcelain during and after the work

The main goals when caring for raw material are to retain moisture and prevent contamination. Carefully press the air out of the wrapping, seal the body tightly, and store it in a stable environment. Keep scraps of different colors or types separate and label them so that they are not accidentally mixed later.

Clean the workspace using a wet method so that dry dust does not become airborne. Do not wash large quantities of material directly down the sink; collect the residue separately and handle it according to the studio’s rules. When working with a kiln, follow the equipment instructions and entrust the process to an experienced operator if you lack the relevant knowledge.

Care for a finished item depends on its function, firing, and surface treatment. A decorative object and tableware intended for contact with food are not assessed according to the same requirements. Before functional use, you should know which materials and coatings were used and whether the finished piece is suitable for its intended purpose.

Practical tips for better control

Alongside your first piece, make a small test tile from the same material. You can mark it with the date, thickness, and surface treatment used. This type of sample helps you evaluate the result without turning the entire project into an experiment.

Photograph the form at different stages of drying and note where deformation or cracks appear. On the next attempt, change only one factor rather than changing many conditions at once—for example, the thickness, covering time, or joint design. This makes it easier to understand what affected the result.

When additional materials or tools are needed

A special tool is needed when you can no longer control uniform thickness, precise cutting, or repeatable forms by hand. A template is useful for identical parts, a measuring tool for comparing thickness, and a separate clean board for reducing contamination of light-colored material. A tool should solve a specific problem rather than simply expand your toolkit.

Check compatibility before using any additional material. A pigment, glaze, joining mixture, or another ceramic body is not automatically compatible. A small test sample, clear labeling, and following the technical instructions are more reliable than testing directly on the main piece.

Conclusion: a brief summary of working with porcelain

Successful use of porcelain rests on four foundations: choosing the right material, shaping it evenly, drying it slowly, and following the instructions for the specific product. Start with a small form, control the water and thickness, keep the raw body tightly wrapped, and never guess the firing parameters. This approach will make the process easier to understand and help you draw practical conclusions from every attempt.