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Earthenware and it's future prospects by Rittwik Devdatta Das (120CR0392)
1. CR4900: Seminar and
Technical Writing
Earthenware and it’s future prospects
Department of Ceramic Engineering
National Institute of Technology, Rourkela
Guided by:
Prof. Debasish Sarkar
Department of Ceramic
Engineering, NIT Rourkela
Submitted by:
Rittwik Devdatta Das
120CR0392
Final Year, Department of Ceramic
Engineering, NIT Rourkela
2. Contents
• What is Earthenware?
• Earthenware Market Size Analysis
• Key Market Segments in Earthenware Industry
• Driving and Restraining Factors in Earthenware
Market
• Growth Opportunities for Earthenware
• History, Characteristics and Raw Materials for
Earthenware
• Manufacturing and Classification of
Earthenware
• Challenges to Earthenware Industry
• Importance of Earthenware in our daily lives
• Conclusion and References
3. From sipping hot tea in a kulhad during winters and drinking
chilled water from Matka in hot summers to eye-gazing these
symbolic, artistic, and beautiful creations of pottery, Beauty is
indeed in the eyes of the beholder. One man's trash is other
man's treasure. These majestic creations and symbols of status
are formed from none other than our mother Earth and hence
named Earthenware. Well, I mean how amazing is that?
Certainly, All of us have King Midas Hand or Midas’ Touch. We
can turn Mother Earth into products worth Gold and beauty.
4. What is
Earthenware?
• Earthenware is pottery fired at a low
temperature, generally between 1,000 to
1,150 degrees, resulting in a hardened
material that is brittle.
• This material is slightly porous. Hence
the glaze is used for covering the object
before it is fired in the kiln for the second
time and made waterproof.
• It is broadly used for tableware and
decorative ware like figurines.
• The earthenware body components vary
significantly. Generally, the body
formulation for contemporary
earthenware includes 25% ball clay, 25%
kaolin, 35% quartz and 15% feldspar.
5. Earthenware
Market Size
Analysis
• The Earthenware Market was valued at
USD 2.52 Billion in 2023. It is expected
to reach USD 4.9 billion by 2033, with
a CAGR of 7.11% during the forecast
period from 2024 to 2033..
• Asia Pacific region is expected to grow
the fastest during the forecast period.
• The Earthenware industry was
negatively affected by the COVID-19
epidemic, as the pandemic has deeply
impacted the pottery sector.
• There was a drop in tableware and
decorative ware sales due to
lockdown restrictions and the trade
restrictions on the crucial supply
chain for raw materials.
• Also, the consumer spending pattern
changed, and they started focusing on
essential commodities.
6. Key Market
Segments in
Earthenware
Industry
Product Type
Redware
Terracotta
Stoneware
Yellowware
Creamware
Application
Tableware
Kitchenware
Decorative Items
Industrial
Applications (e.g.,
bricks, tiles)
Others (such as
plant pots,
sculptures
End-Use
Industry
Household
Hospitality
Foodservice
Retail
Construction
7. Key Takeaways in the present Earthenware
Market
Market Growth: Earthenware Market was valued
at USD 4.9 Billion in 2023 and is expected to
reach USD 2.5 Billion in 2033, at a CAGR of 7.11%
Product Type Analysis: Redware, holds a 32%
share of the earthenware market
Application Analysis: Tableware represents the
dominant application segment in the earthenware
market
End-Use Analysis: The household sector stands
out as the dominant end-use industry for
earthenware
Regional Dominance: North America's Dominates
with a 45% Market Share
8. Driving Factors
accelerating the
earthenware
market
• Artisanal Products Champion Market Expansion
• The rise in consumer preference for artisanal pottery
reflects a broader societal trend towards valuing
authenticity and craftsmanship. This supports
independent artists and small studios, preserving
traditional pottery techniques.
• The Culinary Connection Spurs Earthenware Demand
• The growth of specialty coffee and tea markets is
reshaping the earthenware industry. With the rise of
artisanal coffee shops and specialty tea/coffee
subscriptions, there's a growing demand for
distinctive earthenware vessels like mugs, teapots,
and cups.
• Sustainability Shapes Consumer Preferences
• The growing consumer focus on eco-consciousness
is fueling demand for sustainable products like
earthenware. With its eco-friendly attributes,
earthenware meets this demand well.
• Cultural Revival Fuels Market Vitality
• The renewed interest in traditional crafts, notably
pottery, among younger generations underscores the
enduring appeal of hands-on creativity and cultural
heritage. Rising enrollment in pottery classes reflects
a growing appreciation for earthenware production's
skill and artistry.
9. Restraining
factors for the
Earthenware
Market
• Competition from Alternative Materials Restrains
Market Growth
• The earthenware market faces significant challenges
from alternative materials like porcelain, stoneware,
glass, metal, and plastics, which compete across
various applications, particularly in dishware and
decorative pottery. These materials often offer
advantages over earthenware, such as greater
durability, lower cost, and ease of mass production.
For example, melamine dinnerware presents a
lightweight, break-resistant option that appeals to
consumers prioritizing practicality and cost-
effectiveness.
• High Production Costs Restrain Market Growth
• The inherently labor-intensive nature of earthenware
production, coupled with the need for significant
physical infrastructure like kilns and the high cost of
sourcing natural clays, contributes to higher
production costs. This makes earthenware products
more expensive compared to their mass-produced
counterparts. Handmade pottery, for instance, can
command premium prices, positioning it as a luxury
rather than an everyday choice for many consumers.
10. Share by application of Earthenware
Products
Tableware represents
the dominant
application segment in
the earthenware
market, driven by the
increasing consumer
demand for unique and
artisanal dining
experiences. The desire
for distinctive table
settings that reflect
personal style and
cultural heritage fuels
the demand for
earthenware tableware,
including plates, bowls,
and serving dishes.
Other segments of the
market, including
kitchenware, decorative
items, and industrial
applications,
contribute to its
diversity. Kitchenware
supports aesthetically
pleasing and functional
culinary spaces, while
decorative items
enhance artistic home
decor. Industrial
applications showcase
earthenware's
versatility and durability
in construction, with
plant pots and
sculptures
demonstrating its
adaptability in creative
and practical uses.
11. Regional Analysis of Earthenware Market
North America's leading position in the earthenware market, with a
45% share, is driven by its pottery heritage, expanding consumer
base, and urbanization. The region's strong tradition of earthenware
craftsmanship supports market stability, while economic growth in
countries like China, India, and Japan boosts spending on home
decor and tableware.
The diverse cultural practices across the Asia Pacific contribute to a
wide variety of earthenware styles and applications, from traditional
to contemporary designs. Rapid urbanization and increased living
standards have also led to greater demand for quality and artisanal
earthenware products for household and commercial use.
Given the region's expanding middle class and continued interest in
traditional and sustainable products, the Asia Pacific is expected to
maintain its lead in the earthenware market. Investments in e-
commerce and digital marketing, alongside the resurgence of
interest in handmade and artisanal goods, are likely to drive further
growth.
12. Growth Opportunity for Earthenware
Market
Expanding E-commerce and Digital
Marketing Offers Growth Opportunities
The rise of e-commerce and digital marketing offers a
major growth opportunity for the earthenware market.
Through online platforms and social media, earthenware
makers can reach a global audience, transcending
geographical limitations. The success of pottery studios
on Instagram highlights how digital visibility boosts brand
recognition and consumer engagement, fostering
community and loyalty. This digital transition provides a
scalable, cost-effective means to expand market reach
and revenue.
New Product Development Offers Growth
Opportunity
Innovations in earthenware product development,
including improved durability and versatile designs,
present a significant opportunity to expand its appeal.
By introducing outdoor planters and everyday
dinnerware, earthenware can cater to a broader
demographic seeking both practicality and aesthetics.
This approach addresses changing consumer
preferences, enhancing its competitiveness against
alternative materials. Strategic innovation can attract
new customers, drive market demand, and reinforce
earthenware's relevance in modern lifestyles.
13. History of
Earthenware
• Earthenware pottery has a long and rich history that
dates back thousands of years.
• Earthenware pottery was first utilized in China
during the Neolithic era (8,000–2,000 BCE), and it
was used both for economic and ceremonial
purposes.
• Chinese potters evolved advanced methods for
creating earthenware ceramics over time, including
celadon glazes, underglaze painting, and slip
ornamentation.
• Earthenware ceramics has a lengthy history in Japan
as well, with specimens dating back to the Jomon
era (14,000-300 BCE).
• Greek potters were renowned for their skill in making
finely painted and decorated earthenware vessels,
such as amphoras, kraters, and kylixes.
• In Rome, earthenware pottery was used for cooking,
storage, and serving, and was often decorated with
intricate relief designs.
14. Characteristics
of Earthenware
• Generally, unfired earthenware bodies
exhibit higher plasticity than most
whiteware bodies and hence are easier to
shape by RAM press, roller-head or potter's
wheel than bone china or porcelain.
• Due to its porosity, fired earthenware, with a
water absorption of 5-8%, must be glazed to
be watertight.
• Earthenware has lower mechanical
strength than bone china, porcelain or
stoneware, and consequently articles are
commonly made in thicker cross-section,
although they are still more easily chipped.
• Darker-coloured terracotta earthenware,
typically orange or red due to a
comparatively high content of iron oxides,
are widely used for flower pots, tiles and
some decorative and oven ware.
15. Raw Materials
for Earthenware
• China Clay
This is used to give earthenware
pottery a smoother texture and a
more refined finish.
• Ball Clay
This is a type of clay that is high in
organic materials and is added to
earthenware clay to improve its
plasticity.
• Feldspar
This is a mineral that is added to
earthenware clay to increase its
strength and durability.
• Quartz
This has an important role to
attenuate drying shrinkage.
17. 1. Preparation of Clay Body
• To ensure uniform moisture content in clay, kneading or wedging is
necessary, aiding in the removal of trapped air within the clay body.
This air elimination process, crucial for consistency, can be
achieved manually through wedging or by employing a vacuum pug
machine.
2. Shaping
a. Potter’s wheel
• In "throwing," a soft clay ball is centered on a turntable called
the wheel-head, rotated manually or with a motor. As the
wheel spins, the clay is gently shaped by pressing, squeezing,
and pulling upward and outward, forming a hollow object.
b. Jiggering & Jolleying
• In jiggering, the clay is first formed into a ball and then placed
on top of the rotating plaster mould. The jigger arm is then
used to apply pressure to the clay, forcing it to conform to the
shape of the mould.
• In jolleying, the clay is also formed into a ball, but it is then
placed inside the rotating mould. The jolly tool is used to apply
pressure to the clay, shaping it to the mould's form.
c. RAM Pressing
• RAM pressing compresses dry or slightly damp clay powder
into a desired shape using a hydraulic press. After firing in a
kiln, the product hardens into its final form. This method
enables the creation of large, intricate objects with precise
accuracy and consistency.
18. 3. Drying
• Before firing, clay articles undergo a crucial drying
process where water content is gradually removed. After
shaping, the clay is left to dry completely, causing it to
shrink and harden as the water evaporates. This drying
period must be conducted meticulously to prevent
cracking or warping, influenced by factors like humidity,
temperature, air circulation, and clay thickness.
4. Firing
• It is the process of heating the clay to a high
temperature in a kiln to harden it and create a finished
product. Firing also gives earthenware pottery its
unique colour and finish.
• Two types of firing are essential in pottery: bisque and
glaze firing.
a) Bisque firing, the initial stage, involves heating
the clay to 900-1000°C to harden it and eliminate
residual moisture.
b) In glaze firing, the bisque-fired pottery is coated
with a glass-like glaze and fired again at 1100-
1200°C, providing a smooth, glossy finish and
safeguarding it from environmental factors like
water.
5. Glazing
• Glazing is integral to earthenware pottery, providing a
glass-like coating that enhances both its aesthetic
appeal and durability. This process involves applying a
mixture of powdered glass and chemicals suspended in
liquid onto the pottery's surface. Glazing not only
creates a smooth, glossy finish but also renders the
pottery impermeable to water and other elements,
making it tougher.
19. Classification of
Earthenware
1. Clay Earthenware
• It consist mainly of clay or clay + sand.
• The clay in clay earthenware should
not be too high in iron oxide content.
2. Lime Earthenware
• It is made from clay which is rich in
calcareous minerals (lime bearing).
• It is highly porous and light weight.
3. Feldspathic Earthenware
• It consists of 5-20% feldspathic
minerals.
• It is dense as compared to lime
earthenware.
20. Classification of
Earthenware on basis
of colour of the fired
body
1. Delft Earthenware
• Delftware is a type of earthenware that is
glazed with a white tin glaze and decorated
with blue and white designs.
• It originated in the city of Delft in the
Netherlands.
2. Faience Earthenware
• Faience is a type of earthenware that is glazed
with SnO2 and often decorated with intricate
designs.
• It is typically red earthenware covered with a
white opaque glaze.
• It originated in France.
21. More types of
Earthenware
1. Terracotta Earthenware
• It is red earthenware also called as Baked
Earth.
• It is strong, fire resistant, porous in nature, has
excellent insulating properties.
• It can be glazed to make waterproof so that it
can be used as drainage material.
• They are used for both home decoration and
cooking purposes. Usually, the Terracotta pots
or vases are used by people to provide an
aesthetic look to their houses, but some
products are perfect for kitchen as well.
2. Slipware
• This is earthenware pottery decorated with
coloured slips.
• Slip is liquid clay that can be used to add color
and texture to pottery. The pot is then coated
with a transparent glaze.
• It is decorated using slip that had been
colored by oxides, such as copper,
manganese, or iron.
22. 3. Majolica
• Majolica is tin-glazed earthenware
pottery.
• The tin oxide makes the glaze an opaque
white color.
• Majolica pottery is bisque fired then the
glaze is applied. Decorations are then
painted onto the unfired glaze using
metal oxides. When the pieces are glaze
fired, the decorations sink into the molten
glaze and become part of the glaze
design. This is known as inglazing.
4. Creamware
• Creamware is a cream-colored
earthenware clay that has been painted
with a transparent lead glaze.
• It was first developed in the 18th Century
in Staffordshire in England.
• It was made from white clay that
contained flint to keep it from cracking as
it is being fired.
23. Challenges to Earthenware
Availability of Substitutes: There are
several alternatives available, like
glassware, advanced ceramics and others.
Moreover, there is a good demand for
synthetic pots and disposable tableware.
Disposable tableware is also in need due to
outdoor parties and a surge in food ordering
from restaurants.
Limited Versatility: While earthenware is
suitable for decorative items and certain
functional pieces, it may not be as durable
or suitable for high-temperature cooking or
extreme conditions.
Economic Factors: Fluctuations in raw
material costs, labor expenses, and market
demand can pose challenges to
earthenware producers, particularly small-
scale artisans and studios.
24. Importance of
Earthenware
• Their porous nature aids in spreading
heat throughout the food unlike other
materials. All dish cooked in clay pots
becomes soft and well prepared.
• One don’t have to use a lot of oil when
preparing excellent meals because
these cooking pots are quite heat
resistant. To conserve money and
maintain their health, many people
choose to utilize these clay pots.
• The recipes cooked in an earthenware
utensil will be quite delicious. There is a
scientific reason behind this fact. As
more time will be required to cook food
in a clay pot, the slow process will help
the food become tastier and more
nutritious.
25. Conclusion
Soil, the foundation of life, sustains all living
beings on Earth, yet its beauty and
significance are often overlooked. Pottery,
crafted from soil, offers a profound
connection to the natural world. Through this
art form, we engage with the earth directly,
creating objects that reflect both its intrinsic
beauty and our relationship with it.
Pottery serves as a tangible expression of our
appreciation for soil's nurturing qualities,
transforming clay into functional and artistic
pieces that celebrate its diverse textures and
hues. From simple cups to intricate
sculptures, each pottery piece embodies
our interconnectedness with the
environment and serves as a reminder of
the importance of preserving the soil for
future generations.