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Qualities

Qualities

 
 
As a professional Brand of porcelain and ceramics for the entire range of restaurant and catering indutry we are optimally prepared for the different requirements of tableware. The total collection of Holst porcelain include more than 4.000 items and ideas in Design and Function - lives from the right combination "customer demand", "quality - price" and "design". That's why at Holst we carry six types of porcelain or ceramics.


The differences in the types of ceramic qualities are often perceptible to the layman. Only when viewed critically and are often difficult to understand. Many material properties stand in an irrevocable relation of raw materials and firing temperature, which create the essential characteristics of the respective ceramic assignment. The defined usage characteristics determine material and price at Holst and make the best possible use of the respective advantages of a material type. A high heat storage can not be achieved with a "thin" aluminum ash and a rich, colorful decoration not on a thick-walled feldspar shard. We recommend, especially in the assessment of quality hardness of the material  to be considered that almost automatically from the firing temperature results.    

 

The Holst porcelain collection is composed of different ceramic material and qualities:

Our aim is to offer different target groups of professional hosts the best value for money, which also maxes out the advantages of the particular materials. A good thermal storage is not achievable with a "thin" Bone-China and a copious, high coloured dekoration does not work on a thick feldspar shard. For this reason we at Holst Porzellan run six different types of porcelain or ceramics, to serve the needs  and requirements of our clients individually and in the best possible way.

Thereby we have the ability - like car manufacturers - to serve our clients from entry level dish to premium class with brands in different market segments.

 

 

   
1. High Alumina Porcelain
2. Alumina Porcelain
3. Hard porcelain

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4.  Durable Stoneware
5. Vitrous China
6. Ceramics

 

For a better understanding, we evaluate the relevant usage properties of our porcelain types with asterisks (*) from 1-5 and compare them comprehensibly in the following overview.

 

 

 

 

Collection Name

High Alumina Porcelain

Alumina Porcelain

hard    porcelain

durable porcelain

Vitrous     China

Ceramics

Description

Porcelain

Porcelain

Porcelain

Stoneware

Stoneware

Ceramics

firing temperature at max.

1.390 °C

1.390 °C

1.360 °C

1.290 °C

1.260 °C

1.100 °C

Kind of firing

Reduction firing (Bisquit)

Reduction firing (Bisquit)

Reduction firing

Oxydation firing

Oxydation firing

Oxydation firing

Whiteness

70 - 72

70 - 72

64 - 69

68 - 70

coloured

coloured

Strongness of glaze (Mohs)

5 - 6

5 - 6

5 - 6

4 - 5

4 - 5

2-4

Corrosion resistance

high

high

high

medium

medium

low

Porosity

0,01-0,05

0,01-0,05

0,01-0,05

0,08-1,0

0,09-1,9

0,5-10,0

Mechanical resistance

extremly high

extremely high

high

high

high

very low

Physical impact resistance in Joule 0,76 - 0,95 0,65 - 0,69 0,08 - 0,16 0,08 - 0,25 0,40 - 0,50 < 0,06

Thermal storage

good

good

good

good

good

good

Dishwasher resistance

high

high

high

medium

medium

low

Microwave ability

yes

yes

yes

yes

yes

yes

Oven-safe up to 

350 °C

300 °C

300 °C

220 °C

250 °C

250 °C

Temperature resistance yes no no no no no

Professional usability

yes

yes

yes

 

yes

yes

yes

Alle Angaben nach bestem Wissen und ohne Gewähr!

 

Holst porcelain is mainly made of quality porcelain for professional using! The hard firing between 1,320-1,370 ° C consists the classical raw materials kaolin, feldspar and quartz. Thus, our dishes in terms of durability and resistance to the highest class of popular porcelain types.


 

Qualities of types of ceramics

 

By definition of ceramics and composition of raw material of a body and its firing temperature result the "not visible qualities" of ceramic materials like the hardness of the glaze or its impact resistance. These factors are relevant for price, durability and longevity of wares but do not seem to be "significant criteria" for consumers. In the common decision tree with "quality" visible criteria is meant, which generally do not have an impact on the utility of dish. Quality reducing decision factores often are:

  • Deformation of the body
  • Crawling
  • Sharp bottom
  • Pitting and pinholing
  • Differences in colour
  • etc. (see faults in porcelain)

 

To offer a simple and understandable distinction of our qualities at Holst Porzellan we classify our "visible quality" into 3 levels.

 

1. Premium
2. Basic
3. II. Choice

Premium Quality by Holst Porzellan

The highest level of quality level of Holst porcelain is labeled as "Premium"! The glaze is even, consistent and shiny. The ware does not have any visible faults or barriers. Tiny pinholes or minimal light refraction are only visible by strict and scrupulous inspection in individual cases. Deformations are not visible and bottoms are polished well. The ware is "top" but not perfect. Premium is dedicated to sophisticated hosts, four star hotel industry- and gastronomy, luxury hotels, starred chefs and all critical end-consumers. On this level we compare our ware to known brands like Rosenthal, Villeroy & Boch, RAK, and more. 

 

Basic Quality by Holst Porzellan

These articles are our medium quality level of our collection. Glazes are even and shiny. Smaller, visual flaws on the surface neither impact the grace nor the intended use of the ware and are just by critical inspection or light refraction visible. The dimensional stability of functionable dish is warranted (exact dimension) and the common claim of the porcelain for daily use is given. This level of quality is a result of a "mix sorting A/B grade (82%/20%) and offer the optimal bond between cost and performance for middle class hotel industry and gastronomy (2 to 3 stars), event-services, above average chefs, scene gastronomy and private end-consumer with trendy aspiration. These sort criteria conform the expectation of professional hosts, who know, that a schnitzel on an expensive manufactured plate does not taste better than on a cheaper option. On this level of quality we compare our Ware to Tognana, Churchill, Kahla, Seltmann, Mitterteuch, Vega, Lubiana and more known brands in the game.

 

II. Choice by Holst Porzellan

Most manufacturers of porcelain destroy their II. Choice, to keep the prize up top. We think this act in the sense of sustainability and social justice is an absolute waste of ressources. There are many consumers, equally commercial and private, who do not mind a black dot on a plate, just like a failed head of a lion on a soup bowl. All II. Choice artices from Holst Porzellan are suitable for the use at the table and kitchen and also for coming in contact to food just a ware from Basic or Premium Quality. There are just optical fails our II. Choice suffers from. II. is sold for significantly reduced prices. Smaller fails are marked with the article number B1 (30% reduce in price), bigger fails B2 (50% reduce in price). Be aware: Sale while stocks last and subject to prior sale! Eventual fails and mistakes are stated in the text of the article in our Online Shop.

 


 

Remarking in this Online Shop

 

Each item of our collection is assorted in one of this levels! Please find on the respective tab of an article the note to the quality. Our stores ensure a regular check-up and possible correction of valuation if necessary. The result of the valuation of our articles is accessible for each customer under the tab "Qualities".

 

Qualitaetsregister


 
      Tauglichkeit-weiss
 

Promise: Each article in our stock is or was checked and is suited for professional usage! See our article about resposibility. More about our production countries youll find on the page Production. All items of our collection are regularly and constantly laboratory-technically examined and leave our house only with a complete documentation and correspondence with the laws and editions to the food commodity regulation. For more information, see Declaration of Conformity.