grafitové ceruzky špeciálne

tvrdosť ceruziek

Značenie tvrdosti grafitových ceruziek

Európsky systém používa kombináciu písmen H (hard) tvrdý, F (firm) pevný a B (black) mäkký.
Najmäkšia tuha je 9B a najtvrdšia je 9H (čím väčšie číslo - tým väčšia mäkkosť alebo tvrdosť).

Tvrdosť tuhy určuje podiel grafitu a ílu. Čím viac je ílu primiešaného, tým je tuha tvrdšia.

V obchodoch môžete taktiež naraziť na označenie ceruziek 1, 2 a 3, ide o tri najpoužívanejšie tuhy pre školákov.
Ceruzka č. 1 odpovedá tuhe B, ceruzka č. 2 tuhe HB a č. 3 označuje tuhu H.
Jednotka a dvojka sú určené na písanie a kreslenie, trojka je tzv. rysovacou ceruzkou.

Price and labels
Lead Size
Leads Hardness
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(1)
Producer
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Code:62100023

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0,6 € with VAT
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Code:5027

Graphite pencil M&G triangular HB, Sport /1pc

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0,24 € with VAT
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Code:UKL321

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Code:TST8040

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Code:0201

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0,34 € with VAT
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Code:111973

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1,85 € with VAT
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Code:090522

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2,27 € with VAT
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Code:TS12520

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1,1 € with VAT
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Code:321/01-HB

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1,65 € with VAT
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Code:6315

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2,11 € with VAT
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Code:50648

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3,52 € with VAT
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Code:0223

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0,64 € with VAT
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Code:TTS404648

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0,29 € with VAT
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Code:TST8052

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1,6 € with VAT
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MARCO HB graphite pencil, set of 8 pcs
Code:6314

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2,11 € with VAT
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Code:0214

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0,54 € with VAT
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Code:029108

KOH-I-NOOR graphite pencil in HB lacquer, black 1 pc

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1,48 € with VAT
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Colored pencil, hexagonal, for all surfaces, STABILO "All", brown
Code:TST8045

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1,6 € with VAT
Out of stock
Pencil KOH-I-NOOR blue 1 pc
Code:0292

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0,54 € with VAT
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Graphite pencil M&G triangular HB, Lavender
Code:5028

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0,24 € with VAT
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Code:0207

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0,64 € with VAT
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Blister 3 graphite pencils MILAN+sharpener+eraser 430
Code:BYM10016

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1,62 € with VAT
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Graphite pencil Faber-Castell Grip Jumbo B, turquoise
Code:111971

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1,7 € with VAT
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Code:0294

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0,7 € with VAT
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STABILO EASYgraph S graphite pencil for right-handed people - green
Code:326/04-HB

STABILO EASYgraph S graphite pencil for right-handed people - green

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1,25 € with VAT
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STABILO EASYgraph graphite pencil for left-handed people, pastel pink
Code:02323

STABILO EASYgraph graphite pencil for left-handed people, pastel pink

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1,65 € with VAT
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STABILO EASYgraph graphite pencil for right-handed people, pastel purple
Code:02329

STABILO EASYgraph graphite pencil for right-handed people, pastel purple

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1,65 € with VAT
In stock
STABILO EASYgraph S graphite pencil for right-handed people - orange
Code:326/03-HB

STABILO EASYgraph S graphite pencil for right-handed people - orange

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1,25 € with VAT
In stock
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