Cordierite Mullite Pressed Pillar Props

Introduction:
Cordierite Mullite Pressed Pillar/Props have characteristics of unique formula,techniques preciseness,good quality stabilize.

Features:
1.Good performance in high temperature.
2. Stable structure.
3. Good stability.
4.Good dimension stability.

Application:
They can be used for various daily porcelain,craftwork porcelain,sanitary ware as supports of refractory batts.

Technical Data:
Mullite Pillar/Props

Item	1400℃ Pillar	1300℃ Pillar
Al2O3(%)	≥70	≥65
SiO2(%)	≤24	≤28
Fe2O3(%)	<0.8	<1.0
Bulk Density(g/cm3)	2.35	2.30
Apparent Porosity(%)	13	15
Cold Crushing Strength(MPa)	>55	>50
Refractoriness under Load(0.2Mpa/cm3)	>1600	>1450
Linear Shrinkage(%)(℃*24H)	<0.1	<0.1

Specification of the Cordierite Mullite Materials
 

Mineralogy	FRCOR	FRTEN	FRRAL	FRTREX	FRFAST	FRLON	FRLTE
	Cordierite/Mullite	Cordierite/Mullite	Cordierite/Mullite	Cordierite/Mullite	Cordierite/Mullite	Alumina/Cordierite	Cordierite/Mullite
Properties	FRCOR	FRTEN	FRRAL	FRTREX	FRFAST	FRLON	FRLTE
Max Service Temperature	1300	1300	1300	1300	1350	1300	1300
Bulk Densty(g/cm3)	1.9	1.97	1.85	1.91	1.89	1.61	0.96
Porosity(%)	30	25	28	28	28	47	6
Modulus of Rapture at 20℃(Mpa)	10	17	20	9	11	11	6
Modulus of Rapture at 1250℃((Mpa)	9	10	12	9	14	9	4
Thermal  Expansion  (20-1000℃)(%)	0.30	0.35	0.27	0.29	0.26	0.40	0.26
Chemical Analysis	FRCOR	FRTEN	FRRAL	FRTREX	FRFAST	FRLON	FRLTE
Al₂O₃	46.0	43.0	35.1	40.0	38.8	60.7	35.8
AiO₂	43.8	48.5	55.2	49.7	49.6	31.7	53.9
Fe₂O₃	1.9	1.1	1.2	1.1	1.3	0.75	0.9
TiO₂	0.3	0.3	0.5	0.4	0.6	0.48	1.2
CaO	0.2	0.2	0.3	0.1	0.3	0.13	0.1
MgO	6.2	5.1	7.6	7.1	8.0	5.15	7.5
Na₂O	0.2	0.2	0	0.1	0.06	0.06	0
K₂O	1.3	1.6	1.2	1.5	1.3	0.52	0.5
Li2O						0.52
Phase Analysis	FRCOR	FRTEN	FRRAL	FRTREX	FRFAST	FRLON	FRLTE
Mullite	30	26	25	30	22	24	16
Cordierite	42	44	50	55	63	37	76
Spinel	2.9	—	—	—	—	2.2	一
Alumina	4.6	5.3	—	—	—	3.4	一
Quartz
Glass	21	25	25	15	15	3	8