Monthly Tech-Tip from Tony Hansen SignUp

No tracking! No ads!

1-9 | A | B | C | D | E | F | Frits | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

No. 1 Ball Clay

Alternate Names: Kentucky No. 1 Ball Clay

Description: Kentucky Ball Clay

Oxide Analysis Formula
CaO 0.06% -
K2O 0.32% 0.01
MgO 0.18% 0.02
Na2O 0.09% 0.01
TiO2 2.00% 0.10
Al2O3 26.20% 1.00
SiO2 60.80% 3.94
Fe2O3 0.87% 0.02
LOI 8.84%n/a
Oxide Weight 352.41
Formula Weight 386.58

Notes

Crude Color: White to Pink
Dry M.O.R. (psi 50% clay/50% flint, cast bars): 300
Wet Sieve Residue, +200 mesh (%): 0.30
Water of Plasticity (%): 32
Linear Dry Shrinkage (%): 5.5
Solubles Sulfates (ppm): 160
Filtration (ml): 23
Specific Surface Area (sq meters per gram): 16.9
CEC/MBI (meq/100 ml): 8.5
pH: 5.8
PCE: 32

Firing Shrinkage (%) Cone 04: 5.0 Cone 3: 5.1 Cone 11: 7.2
Absorption (%) 15.8 12.7 2.5

Particle Size (% finer than):
50 microns: 100
20: 96
10: 92
5: 85
1: 60
0.5: 49

Related Information

Links

Typecodes Ball Clay
Ball clays are abundant and very plastic and are used in all types of plastic forming bodies. They are not as white-burning or refractory as kaolins but lower in iron and fluxes than bentonites.
By Tony Hansen
Follow me on

Got a Question?

Buy me a coffee and we can talk

 



https://digitalfire.com, All Rights Reserved
Privacy Policy