Pencils, graphite

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
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Leads Hardness
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Producer
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Graphite pencil MAPED "BLACK'PEPS" H 1pc
Code:0245

Graphite pencil MAPED "BLACK'PEPS" H 1pc

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0,24 € with VAT
In stock
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
In stock
Pencil STABILO Swano Pastel green
Code:490802

Pencil STABILO Swano Pastel green

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0,38 € with VAT
In stock
HB yellow pencils with rubber ,12 pcs/set
Code:0216

HB yellow pencils with rubber ,12 pcs/set

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0,11 € with VAT
In stock
Recommended
BOX 10 STICKS OF NATURAL CHARCOAL 3-6mm
Code:617024

BOX 10 STICKS OF NATURAL CHARCOAL 3-6mm

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1,86 € with VAT
In stock
Recommended
Graphite pencils STAEDTLER "Mars Micro" HB / 0.3 mm
Code:TS25003HB

Graphite pencils STAEDTLER "Mars Micro" HB / 0.3 mm

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1,18 € with VAT
Out of stock
Ergonomic triangular HB graphite pencil for right-handed people - STABILO /1 pc
Code:32118HB-6

Ergonomic triangular HB graphite pencil for right-handed people - STABILO /1 pc

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1,61 € with VAT
In stock
M&G Graphic pencils, all hardnesses from 2H to 14B - set of 12 pcs
Code:AWP357E5

M&G Graphic pencils, all hardnesses from 2H to 14B - set of 12 pcs

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2,27 € with VAT
In stock
News
Recommended
CRT pencil Fine art graphite H
Code:160 11

CRT pencil Fine art graphite H

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1,14 € with VAT
In stock
Graphite pencils KOH-I-NOOR 4B / 5.6 mm, 6 pcs
Code:KOH518

Graphite pencils KOH-I-NOOR 4B / 5.6 mm, 6 pcs

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3,28 € with VAT
In stock
Colored pencil KOH-I-NOOR Double-sided, red-blue, 1 pc
Code:0214

Colored pencil KOH-I-NOOR Double-sided, red-blue, 1 pc

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0,54 € with VAT
In stock
STABILO EASYgraph S graphite pencil for left-handed people - light blue
Code:325/02-HB

STABILO EASYgraph S graphite pencil for left-handed people - light blue

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1,25 € with VAT
In stock
Colored pencil KOH-I-NOOR blue, 1 pc
Code:02011

Colored pencil KOH-I-NOOR blue, 1 pc

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0,31 € with VAT
In stock
CRT crayon FINE ART PASTEL prussian blue
Code:471 61

CRT crayon FINE ART PASTEL prussian blue

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1,68 € with VAT
In stock
CRT crayon MARINO Madder Carmine
Code:241 17

CRT crayon MARINO Madder Carmine

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1,96 € with VAT
In stock
Pencil STABILO Swano Fluo orange
Code:4907/HB-54

Pencil STABILO Swano Fluo orange

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0,38 € with VAT
In stock
CRT crayon KARMINA ivory black
Code:272 50

CRT crayon KARMINA ivory black

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1,51 € with VAT
In stock
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