Volume	"A" Top Diameter	"B" Bottom Diameter	"H" Height	Wall Thickness
7cc	29.46mm	22.1mm	14.22mm	2.36mm
10cc	32.51mm	22.1mm	19.05mm	2.36mm
15cc	37.59mm	28.45mm	17.27mm	3.18mm
25cc	44.45mm	33.02mm	21.08mm	2.36mm
40cc	50.8mm	37.85mm	26.92mm	6.35mm
75cc	63.5mm	46.48mm	31.75mm	6.35mm
100cc	69.85mm	51.05mm	35.05mm	0mm

Boron Nitride (BN) Property Data Sheet
Material Properties	Units of Measure	HBN	HBR	HBC	HBT
Boron	%	>95	>94	>99	>99
Binder		Boric Acid	Calcium Borate	None	None
Binder Melting Point	℃	550	1150	---	---
Max Operating Temperature	Oxidizing Atmos. ℃ Vacuum Atmos. ℃	550-580 1,150-1,600	850 1,150-1,600	850 2,000-3,000	850 2,000-3,000
Density Min/typical	g/cc	2.00/2.10	1.90/2.00	1.90/1.95	1.70/1.75
Porosity	%	7	11	13	22
Hardness	Knoops(KHN, 100g)	19	26	16	11
Thermal Sh℃k Resistance	T	>1500℃	>1500℃	>1500℃	>1500℃
Specific Heat @ 25℃ @ 700℃	J/Kg oK (Cal/g ℃)	(808/.193) 1,846 (.411)	(808/.193) 1,846 (.411)	(808/.193) 1,846 (.411)	808(.193) 1,846 (.411)
Dielectric Strength	V/mm x 10³	53	53	54	34
Dielectric Constant	@ 1GHz @ 9.3 GHz @ 1 MHz	4.3 4.4 4.2	4.2 4.3 4.1	4.1 4.3 4.1	3.9 3.9 3.8
Loss Tangent	@1 GHZ @ 9.3 GHz @ 1 MHZ	.0003 .0002 <.0002	.0003 .0002 <.0002	.0004 <.0002 <.0002	.0003 <.0002 <.0002
Volume Resistivity	@ 25℃ @ 700℃	>10¹⁵ 10⁸	>10¹⁵ 10⁸	>10¹⁵ 10¹⁰	>10¹⁵ 10¹⁰
Thermal Conductivity	W/m oK @ 25℃ W/m oK @ 700 ℃	33 25	33 25	23 0.8	19 0.1
Coefficient. Thermal Expasion	in per in/℃ x 10^-6 (25℃ to 1,500℃)	6	3	0.8	0.1
Flexural Strength	Mpa(psi x 10³) @25℃ Mpa(psi x 10³) @1,500℃	75.8 11	41.3 6	17.2 2.5	17.2 2.5
Modulus of Elasticity	Gpa psi x 10⁶	62.7	48.2	20.6	20.6
Compressive Strength	Mpa psi x 10³	124.1	62.0	51.7	38.6