Hot Surface Ignitors Archives

Selection Criteria for Choosing the Right Ceramic Cement

1. What degree of temperature is required?
2. What substrates are being bonded?
3. What electrical properties are required?
4. What thermal expansion properties are required?
5. Please describe application and send photo.

Typical Properties of Sauereisen Selected Ceramic Compounds

Product Number	Max Service temperature		Coefficient of Thermal Expension		Dielectric Strength	Volume Resistivity	Thermal Conductivity
	(°F)	(°C)	(°F)	(°C)	(@70°F volts/mil) (@21°C volts/mil)	(@70°F ohm-cm) (@21°C ohm-cm)	(Btu. In/ft2hr. °F)		(Watt/m K)		(kiloCalorie/hr/meter °C)
1	1801	982	6.20E-06	1.12E-05	12.5 – 51	10⁸ – 10⁹	11.5	7.6	1.66	1.10	1.43	0.94
P-1	1800	982	6.20E-06	1.12E-05	12.5 – 51	10⁸ – 10⁹	10.5	7	1.51	1.01	1.30	0.87
2	3000	1649	7.60E-06	1.37E-05	48 – 55	10⁸ – 10¹⁰	23.3	12.6	3.36	1.82	2.89	1.56
3	2200	1204	3.40E-06	6.12E-06	50 – 100	10⁶ – 10⁸	23	13	3.32	1.87	2.85	1.61
6	2500	1370	6.50E-06	1.17E-05	12.5 – 51	10⁷ – 10⁸	N/A	N/A	N/A	N/A	N/A	N/A
7	2500	1371	6.00E-06	1.08E-05	12.5 – 51	10⁸ – 10⁹	N/A	N/A	N/A	N/A	N/A	N/A
78	2600	1427	3.70E-06	6.66E-06	12.5 – 51	10⁶ – 10⁸	6.8	7.8	0.98	1.12	0.84	0.97
P-78	2600	1427	3.70E-06	6.66E-06	12.5 – 51	10⁶ – 10⁸	5.4	6.2	0.78	0.89	0.67	0.77

Product Number	Max Service temperature		Coefficient of Thermal Expension		Dielectric Strength	Volume Resistivity	Thermal Conductivity
	(°F)	(°C)	(°F)	(°C)	(@70°F volts/mil) (@21°C volts/mil)	(@70°F ohm-cm) (@21°C ohm-cm)	(Btu. In/ft2hr. °F)		(Watt/m K)		(kiloCalorie/hr/meter °C)
4	2200	1204	6.18E-06	1.11W-05	50 – 56	10¹¹ – 10¹²		5.47	0.00	0.79	0.00	0.68
8	2600	1427	2.60E-06	4.68E-06	76 – 101.5	10¹⁰ – 10¹¹	8.3	6.7	1.20	0.97	1.03	0.83
10	2400	1316	5.00E-06	9.00E-06	55 – 63	10⁸ – 10¹¹	16.2	9.7	2.34	1.40	2.01	1.20
11	2200	1204	3.40E-06	6.12E-06	46 – 54	10⁹ – 10¹⁰		4.9	0.00	0.71	0.00	0.61
12	2200	1204	3.10E-06	5.58E-06	76 – 80	10⁸ – 10¹⁰	9.8	7.3	1.41	1.05	1.22	0.91
13	2600	1427	2.60E-06	4.68E-06	55 – 60	10⁶ – 10¹¹	8	11	1.15	1.59	0.99	1.36
29	1550	843	4.6E-06	8.25E-06	25 – 51	10⁷ – 10⁹	9.8	5.2	1.41	0.75	1.22	0.64
30	900	482	5.00E-06	9.00E-06	N/A	N/A	5	6	0.72	0.87	0.62	0.74
DW-30	900	482	4.70E-06	8.46E-06	N/A	10⁸ – 10¹⁰	5.6	5.8	0.81	0.84	0.69	0.72
31	1750	654	6.20E-06	1.12E-05	12.5 – 38	10⁷ – 10⁹	6.5	4.2	0.394	0.61	0.81	0.52
33S	1600	871	7.8E-06	1.40E-05	37 – 44	10⁷ – 10⁹	5.9	4.5	0.85	0.65	0.73	0.56
350	1700	927	6.9E-06	1.24E-05	20 – 35	10⁶ – 10⁸	3.8	3.6	0.55	0.52	0.47	0.45
360	2200	1204	5.50E-06	9.90E-06	20 – 40	10⁷ – 10⁸	6.7	6.4	0.97	0.92	0.83	0.79

Product Number	Max Service temperature		Coefficient of Thermal Expension		Dielectric Strength	Volume Resistivity	Thermal Conductivity
	(°F)	(°C)	(°F)	(°C)	(@70°F volts/mil) (@21°C volts/mil)	(@70°F ohm-cm) (@21°C ohm-cm)	(Btu. In/ft2hr. °F)		(Watt/m K)		(kiloCalorie/hr/meter °C)
75	2600	1427	4.10E-06	7.38E-06	50 – 60	10⁸ – 10⁹	4.4	4.2	0.63	0.61	0.55	0.52
76	2600	1427	5.50E-06	9.90E-06	50 – 60	N/A	7.4	6.5	1.07	0.94	0.92	0.81

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