Properties of Batubara lan Krikel
Properties
fisik
atose
1-1.5
3
ukuran gandum
medium kanggo nggoleki coarse grained
banget nggoleki-grained
rengat
conchoidal
ora kasedhiya
tilas
ireng
putih
porosity
kurang keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
kurang
kekuatan compressive
ora Sumadhiya
95.00 n / mm 2
20
cleavage
non-ana
slaty
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
1.1-1.4
2.2-2.8
transparan
opaque
opaque
Kapadhetan
1100-1400 g / cm 3
2.4-2.8 g / cm 3
situs termal
kapasitas panas tartamtu
1.32 kj / kg k
4
0.39 kj / kg k
23
resistance
tahan panas
tahan panas, impact tahan
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