Tube Blocks

Quartz Thermal Blocks for 5" Quartz Tube Furnace - QTB4735

Quartz Thermal Block with Handle for 8.5" Quartz Tube Furnace - QTB863

Multi-Stack Quartz Thermal Block: 90 mm Dia for 100 mm O.D Tube Furnace-QTB9047

Multi-Stack Quartz Thermal Block for 6" Tube-QTB140

Quartz Block for Heat Sealing - QTB15

Quartz Tube Block for GSL-1500X-RTP50 - QTB42

Quartz Thermal Block with Handle for 8.5" Quartz Tube Furnace - QTB-85

Quartz Thermal Block with Handle for 6" quartz tube Furnace - QTB-6

Quartz Thermal Block with Handle for 5" Quartz Tube Furnace - QTB-5

Quartz Block: 50 mm Diameter (one pair) for 60mm O.D Tube Furnace - QTB50

Quartz Block: 40 mm Diameter (one pair) for 50mm O.D Tube Furnace - QTB40

Quartz Block: 90 mm Diameter (one pair) for 100mm O.D Tube Furnace - QTB90

Quartz Thermal Block for 11" quartz tube Furnace - QTB-11

Quartz Thermal Block with Handle for 8" Quartz Tube Furnace - QTB8H

Quartz Block: 70 mm Diameter (one pair) for 80mm O.D Tube Furnace - QBlock-70

Alumina Foam Block for KSL-1100X-S3 Heat Sealing -FTB16

Alumina Foam Block: 21.5 mm Diameter (T-shape) for 1" Hybrid Furnace-FTB22

Alumina Foam Block: 62 mm Diameter (one pair) for MTI's 70mm Dia Tube Furnace - F-T-block-62

Alumina Foam Block: 120mm Diameter (one pair) for MTI's 5" Tube Furnace - F-T-block-120

Alumina Foam Block: 140mm Diameter (one pair) for MTI's 6" Tube Furnace -FTB140

Alumina Foam Block: 40 mm Diameter (one pair) for MTI's 2" Tube Furnace - FTB40

Alumina Foam Block: 50 mm Diameter (one pair) for MTI's 60mm Dia Tube Furnace - FTB50

Alumina Foam Block: 30 mm Diameter (one pair) for MTI's Tube Furnace -FTB30