CLAYS OF NEW YOEK 



555 





Composition and fusing points of Seger cones 





No. of cone 



Composition 



Fusing point 



.022 



j 0.5Na2Ol 

 [0.5 PbO 



j2.0 SiOa) 

 ' ll.O B203( 



1 094 



590 



.021 



j 0.5Na2O 

 |0.5 PbO 



. ^ ,,(. 12.2 SiOal 



.0.1 A1203-J j^^ g^Q^ J 



1 148 



620 



.020 



j 0.5]Sra,O 

 |0.5 PbO 



to 2 Alo r^-* Si^4 



1 202 



650 



.019 



j . .5 NaaO 

 > 0.5 PbO 



to 3 AlO ]2-^ SiOal 



1 256 



680 



.018 



j 0.5]Sra2O 

 ]0.5 PbO 



U 4 AlO l^-^ SiOaj 

 -0.4 AlaOsj^Q g^(3j 



1 310 



710 



.017 



\ 0.5Na2O 

 |0.5 PbO 



U 5 AlO 1^-^ ^i^^4 



1 364 



740 



.016 



j 0.5Na2O 

 |u.5 PbO 



.o.55Ai203|^:J |;^;[ 



1 418 



770 



.015 



j 0.5Na2O 

 |0.5 PbO 



-.6A,03|^.^|:8;| 



1 472 



800 



.014 



) O.SNaaO 

 ( 0.5 PbO 



.o.65Ai203|'^:^, i:o:} 



1 526 



830 



.013 



j0.5]Na2O 

 |0.5 PbO 



:^-^^^A|^:^|;C:} 



1 580 



860 



.012 



J 0.5Na,O 



1 . 5 PbO 



.o.75A]203|^;^ 1,0: 1 



1 634 



890 



.011 



j . 5 NagO 

 |0.5 PbO 



io 8 AlO J^-^ S1O2) 

 ^0.8 Al203J-^_Q jg^()J 



1 688 



920 



010 



\ 0.3 KaO 



1 0.2 FesOgJ 3.50 S1O2 1 



1 742 



950 



« VX V 



1 0.7 CaO 



'0.3 AlaOsI 0.50 B2O3 i 



OQ 



3 0.3 KjO 



0.2 Fe203J3.55 8102 1 



1 778 



970 



• yju 



|0.7 CaO 



'0.3 A1203 I 0.45 BgOgf 



08 



j 0.3 K2O j 



0.2 FegO, j 3.60 SiOg J 



1 814 



990 



, vo 



|0.7 CaO 



'0.3 Al2O3]0.40 6203? 



.07 



j 0.3 K2O 



I 0.7 CaO 



0.2 F^203 j 3.65 Si02J 

 0.3 AI2O3] 0.35 ^203) 



1 850 



1 010 



.06 



j 0.3 K2O 

 1 0.7 CaO 



1 0.2 Fe2O3J3.70 SiOg | 

 0.3 A12O3I0.80 P2O3 » 



1 8S6 



1 030 



.05 



j 0.3 KoO 



]0.7 CaO 



1 0.2 Fe203J3.75 SiOa ) 

 f 0.3 AlgOg ( 0.^5 BgOsi 



1 922 



1 050 



.04 



j . 3 K2O 1 

 ]0.7 CaO 1 



0.2 Fe203 i 3.h0 8102) 

 "0.3 AI2O3] 0.20 BaOgj 



1 958 



1 070 



.03 



jO.3 K2O i 

 >0.7 CaO 1 



0.2 FegOg j 3.85 81O2 ) 

 '0.3 A]203| 0.15 B2O3 f 



1 994 



1 090 



.02 



J 0.3 K2O 1 

 I 0.7 CaO ( 



0.2 FeaOgJ 3.90 81O2 ] 

 0.3 AI2O3 10.10 BjOaf 



2 030 



1 110 



.01 



j U.3 K2O ( 



]0.7 CaO i 



0.2 FegOg j 3.95 Si02 1 

 0.3 A]2O3]0.05 B^Oai 



2 066 



1 130 



