PATRA REFRACTORY CO.,LTD

B-1, B-2, C-1, C-2 : Insulating Firebricks ( JIS Group )

Key Specifications/Special Features:

	B-1	B-2	C-1	C-2
1.Maximum Service Temperatures : °C	900	1000	1300	1400
2.Bulk Density, g/cc	0.65-0.70	0.75-0.80	0.75-0.80	0.85-0.90
3.Apparent Porosity, %	70-75	70-75	70-72	65-70
4.Cold Crushing Strength, kg/cm²	10-15	20-30	30-40	40-50
5.Modulus of Rupture, kg/cm²	10-12	10-12	15-20	20-25
6.Thermal Conductivity, K Cal/hr.m°C at 350°C	0.17	0.18	0.30	0.38
7.Chemical Analysis, % Approx;	54.2	51.3	50.3	34.6
Silica (SiO₂)	54.2	51.3	50.3	34.6
Alumina (Al₂O₃)	36.5	39.1	42.8	60.2
Iron Oxide (Fe₂O₃)	3.3	3.0	2.7	1.4
8.Applications : Back-up lining for fire clay and high Alumina bricks in boiler, reheating furnaces, glass furnaces and kiln. Floor lining of kiln cars and back-up lining of cyclone preheater and coolers in the cement rotary kiln, hot gas generator and hot air duct is also suitable.

LRB20, LRB-23, LRB-26, LRB-28, LRB-30 : Insulating Firebricks

( ASTM Group )

Key Specifications/Special Features:

	LRB-20	LRB-23	LRB-26	LRB-28	LRB-30
Classification :	Group LRB Class 1	Group LRB Class 1	Group LRB Class 2	Group LRB Class 2	Group LRB Class 2

Physical Data : (Typical)
1.Maximum Service Temperatures : °C	1200	1300	1400	1500	1550
2.Bulk Density, g/cc	0.45-0.50	0.55-0.60	0.70-0.75	0.75-0.80	0.80-0.85
3.Thermal Conductivity, kcal/mh°C	0.15	0.17	0.20	0.20	0.25
4.Reheat Shingkage (%) at () °Cx8 hrs.	0.10 (1200)	0.20 (1300)	0.40 (1400)	0.40 (1500)	0.40 (1550)
5.Cold Crushing Strength, kg/cm²	10-15	10-15	15-20	15-20	20-25
6.Modulus of Rupture, kg/cm²°C at 350°C	5-10	5-10	10-15	15-20	15-20
7.Chemical Analysis, % Approx;	52	50	45	38	30
Silica (SiO₂)	52	50	45	38	30
Alumina (Al₂O₃)	40	42	48	52	58
Iron Oxide (Fe₂O₃)	2.0	1.8	1.5	1.2	1.2
8.Applications : Back-up lining for fire clay and high Alumina bricks in boiler, reheating furnaces, glass furnaces and kiln. Floor lining of kiln cars and back-up lining of cyclone preheater and coolers in the cement rotary kiln, hot gas generator and hot air duct is also suitable.

More Dimension

Primary Competitive Advantages:

Very light and porous, full casting process

Export Markets:

Philipines
Vietnam

Value of Minimum Order:

Negotiable

Payment Term:

Negotiable

Deliver lead-time:

Prompt or 30-45 days after order confirmation depending on shapes

FOB Port

Bangkok

FOB Price Range

Please contact for quotation

Contact Details:
Patra Refractory Co Ltd.
Office & Factory Address
55 Moo 3 Kokeyae, Nongkhae Saraburi 18230 Thailand
Tel: +66 (36) 371006, 379358 , Mobile : +66 (81) 9942274
Fax: +66 (36) 379359

Email Address(es): pr@patraporcelain.com , chat@patraporcelain.com , prbkk@patraporcelain.com

Key Contact : Mr.Jiratikal, Chatchawan - Managing Director