graphite pencils

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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(20)
Leads Hardness
(5)
(3)
(1)
(2)
(2)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(25)
(1)
(5)
(20)
Producer
(20)
(1)
(6)
(27)
(13)
(30)
(11)
(14)
(4)
(17)
(1)
(71)
(6)
(5)
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Code:62100023

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Code:111971

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Graphite pencil STABILO Trio HB - orange
Code:369/03 - HB

Graphite pencil STABILO Trio HB - orange

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STABILO HB graphite pencil - pink
Code:369/01 - HB

STABILO HB graphite pencil - pink

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0,75 € with VAT
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Graphite pencil STABILO HB - dark. blue
Code:369/HB

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0,75 € with VAT
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Thin triangular pencil for right-handed people - STABILO EASYgraph S Metallic Edition-grap
Code:326/24-HB

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1,25 € with VAT
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Pencil STABILO Schwan 306, 2B/HB/H
Code:16000

Pencil STABILO Schwan 306, 2B/HB/H

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2,03 € with VAT
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Code:511911

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1,94 € with VAT
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Pencil STABILO Swano Fluo yellow
Code:4907/HB-24

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0,38 € with VAT
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Pencil Faber-Castell Sparkle, Cande Cane red B
Code:118240

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Graphite pencil M&G all hardnesses from 2H to 14B - set of 12 pcs
Code:70446

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2,09 € with VAT
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Code:TS1204

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Pencil STABILO Swano Pastel blue
Code:490806

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Code:02895

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Code:UKL321

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Code:4907/HB-56

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Code:029109

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CRT pencil Fine art graphite 2B
Code:160 02

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STABILO EASYgraph graphite pencil for left-handed people - light blue
Code:321/02-HB

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Graphite pencil, HB, hexagonal, STAEDTLER "Noris"
Code:TS1202

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Pencil Faber-Castell Grip Jumbo B
Code:111974

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KOH-I-NOOR pastel pencil For smooth surfaces, white 1 pc
Code:326306

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Faber-Castell Sparkle pencil, pink B
Code:118212

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Code:TS1201

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Pencil MILAN triangular HB Super Heroes Space
Code:0711315148SH

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Code:215021

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Code:07126712

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