High Vacuum

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Canister Super Lube Silicone High Dielectric Vacuum Grease 141 Oz Lot of
$267.31
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NEW 10 3 4 OD HIGH VACUUM COPPER GASKET 10 ID
$15.00
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VARIAN 1251 1 5 8 BELLOWS HAND OPERATED HIGH VACUUM VALVE
$66.75
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High temp tacky tape 1 2x30 1 case 32 rolls vacuum bagging camper windows
$30.00
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Edwards High Vacuum Pump EDM20A Motor Franklin Electric 3 4 HP
$349.00
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HIGH VACUUM GETTER FREE SHIP USA
$29.99
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Super Lube Silicone High Dielectric Vacuum UV Grease 141oz Cartridge Case of 12
$217.90
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Super Lube Silicone High Dielectric Vacuum UV Grease 141 oz Canister Case of 12
$220.97
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Super Lube Silicone High Dielectric Vacuum UV Grease 5 lb Pail Case of 4
$363.16
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Super Lube Silicone High Dielectric Vacuum UV Grease 30 lb Pail
$522.75
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Bettroom Car Vacuum Cleaner High Power Strong Suction 4000 PA 120W DC 12V Wet
$22.80
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NUWA Car vacuum cleaner high power cordless Handheld 12V 100W Portable Wet Dry
$45.02
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Key High Vacuum Products Inc Flange 6ID6X11 Used 13534
$100.00
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Car Vacuum Cleaner Ymiko New Version DC 12V 120W 4kPA High Power Portable
$22.56
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Car Vacuum Cleaner High Power VOVO DC 12v Portable Handheld Car Vacuum Wet Dry
$30.49
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Auto Vacuum Clear for Car Portable handheld Cleaner High Power Hepa Stainless
$37.07
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Ulvac VLH US 40KF Manual High Vacuum Valve Stainless Steel
$99.99
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SMC XLD 40 X542 HIGH VACUUM VALVE
$74.99
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Super Lube Silicone High Dielectric Vacuum Grease 30 lb Pail
$406.13
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Varian Ultra High Vacuum Compression port e beam NOS 954 5053 815
$55.00
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MDC High Vacuum Research Chamber Model KIV 100 Manual Pneumatic shut off valve
$120.00
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Vacuum Infusion Epoxy Resin Low Vis Thin High Gloss High Strength 24oz Kit
$32.99
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GNB Corporation G5SOPX High Vacuum Gate Valve 5ID X 9OD Used
$715.00
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Car Vacuum Cleaner Handheld Auto Vacuum of High Power Wet Dry Car VAC
$27.14
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DuPont Krytox AT High Vacuum Grease Lubricant 2oz 57g Tube NEW
$35.00
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Kinney Vacuum High Vacuum Pump KC 8 85 1214 L5203 10
$595.00
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Super Lube 91003 Silicone High Dielectric and Vacuum Grease 3 oz
$13.65
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Edwards PV25EKA PVEK Series High Vacuum Valve New
$350.00
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AIRTECH A4000 HIGH TEMP FEP 50 RELEASE FILM FOR COMPOSITES VACUUM BAGGING
$250.00
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AIRTECH A4000 HIGH TEMP FEP 50 RELEASE FILM FOR COMPOSITES VACUUM BAGGING
$9.99
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Bettroom Car Vacuum Cleaner High Power Strong Suction 4000 PA 120W DC 12V Wet
$22.67
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VACUUM INFUSION HIGH STRENGTH THIN CLEAR EPOXY RESIN 4 CARBON FIBER FIBERGLASS
$96.75
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Vacuum Infusion Epoxy Resin Low Vis Thin High Gloss High Strength 86oz Kit
$59.99
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Bettroom Car Vacuum Cleaner High Power Strong Suction 4000 PA 120W DC 12V Wet
$22.67
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POWERTEC 75016 High Efficiency Filter Bags for Ridgid Workshop Wet Dry Vacuum
$11.43
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Car Vacuum Cleaner Handheld Auto Vacuum of High Power Wet Dry Car VAC
$27.14
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SMC XLA 16 X555 HIGH VACUUM VALVE
$59.99
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SMC XLH 25 HIGH VACUUM VALVE
$59.99
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SMC High Vacuum Valve XLA 16 X555
$50.24
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SMC Pneumatics High Vacuum Valve XLH 25
$107.19
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SS Braided Hose PTFE lined 3000psi Critical vacuum high temp SS 4BHO 36 Cajon
$27.92
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SLOAN HIGH BACK PRESSURE VACUUM BREAKER REPAIR KIT V 651 A 2XU35 NIB A285
$2.99
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Edwards High Vacuum Pressure Sensor 622A 10 TORR NEW NO BOX A290
$44.99
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Key High Vacuum Products E7 Clippard H07 40 2 1 2 Key PNEUMATIC AIR CYLINDER
$45.99
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SMC HIGH VACUUM VALVE XLA 50 X551
$34.99
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MDC Vacuum Products High Vacuum Chamber 10 Outside Flange OD SHIPS TODAY
$150.86
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Varian Vacuum Technologies R1003301 Preamplifier High Sensitivity T82258
$775.00
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SMC XLH 25 PNEUMATICS HIGH VACUUM VALVE
$99.99
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5 2oz Castrol Braycote Micronic High Vacuum Grease 25013 AESY Perfluoroether
$850.00
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Car Vacuum Cleaner High Power VOVO DC 12v Portable Handheld Car Vacuum Wet Dry
$48.65
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NSSP VACUUM BELLOWS BB 247 901 X 31 51 MM X 55MM HIGH 5630
$134.95
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Edwards QDP40 AC High Vacuum Pump Control Box Assembly w Cables3 PH208V60Hz
$568.00
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1980 Edwards High Vacuum Ionisation Gauge Head Model IG5M 307
$135.00
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Magnetic valve High vacuum 1 inch Speedivac SV8 Edwards Unused
$650.00
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Guardair 1500A02 Vacuum Gun Collection Bag High Filtration
$19.00
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New 1 Speedivac High Vacuum Magnetic Valve Isolation Type 100 127 Volt D 33
$275.00
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Dow Corning 0000327860 High Vacuum Grease 146355D
$56.77
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VACUUM MDC COLD TRAP LIQUID NITROGEN ULTRA HIGH VACUUM AS IS 88
$599.00
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Edwards PV25EKA PVEK Series High Vacuum Valve Used
$210.00
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WORKSHOP Wet Dry Vac WS1600VA High Capacity Wet Dry Vacuum Cleaner 16 Gallon
$128.23
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Deik Vacuum Cleaner 2 in 1 Cordless Vacuum Cleaner High power Long lasting
$84.84
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Airflow Systems V Series High Vacuum Industrial Dust Collector
$2,250.00
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SMC High Vacuum Valve XLA 16 XLAAOO
$95.00
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WORKSHOP Wet Dry Vac WS1600VA High Capacity Wet Dry Vacuum Cleaner 16 Gallon
$138.23
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WORKSHOP Wet Dry Vac WS1600VA High Capacity Wet Dry Vacuum Cleaner 16 Gallon
$139.46
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New SLOAN V 651 A Vacuum Breaker Repair Kit High Back Pressure
$15.00
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Deik Vacuum Cleaner 2 in 1 Cordless Vacuum Cleaner High power Long lasting
$94.42
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Bettroom Car Vacuum Cleaner High Power Strong Suction 4000 PA 120W DC 12V Wet
$22.83
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Bettroom Car Vacuum Cleaner High Power Strong Suction 4000 PA 120W DC 12V Wet
$22.83
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NUWA Car vacuum cleaner high power cordless Handheld 12V 100W Portable Wet Dry
$43.08
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Temescal 5130 2 High Vacuum Gate Valve MIS2288
$135.00
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New PIAB piClassic Xi x 1 High Flow Deep Vacuum Level Kit In Box
$180.00
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SS Braided Hose PTFE lined 3000psi Critical vacuum high temp SS 4BHO 12 Cajon
$50.00
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Carten 2028 375 Psi Ultra High Purity Vacuum 1 4 T X 1 4 MCVR X 1 2 MVCR X48
$399.00
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MDC KTX150 2 HIGH VACUUM RESEARCH CHAMBER INLINE H298
$94.99
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Lot of 2 SMC ZSE40 01 30L M High Precision Vacuum Switch T64097
$80.00
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SMC ZSE40F 01 62L High Precision Vacuum Switch T91237
$59.00
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Airtech AT200Y Tacky Tape High Tack High Temp Vacuum Bag Seal 25ft Roll
$6.45
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Car Vacuum Cleaner High Power LeadCon DC 12v Portable Handheld Car Vacuum Wet
$27.93
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Car Vacuum Cleaner High Power LeadCon DC 12v Portable Handheld Car Vacuum Wet
$27.93
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Whizzotech Car Vacuum Cleaner High Power 4 in 1 Handheld Wet Dry Vacuum Cleaner
$27.93
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Car Vacuum Cleaner High Power LeadCon DC 12v Portable Handheld Car Vacuum Wet
$27.93
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SMC High Press Vacuum Generator Cat No NZM131HT K5LZ
$75.00
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Aerzen High Vacuum Blower AMUSA GMB 1715 HV New Never Used
$15,750.00
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GNB Corporation G6CSOX High Vacuum Gate Valve
$850.00
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SMC PNEUMATICS XLH 25 HIGH VACUUM VALVE
$59.99
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SMC PNEUMATICS MODEL XLH 25 HIGH VACUUM VALVE
$59.99
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Castrol Braycote 806 High Vacuum Grease
$85.00
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High Vacuum

Uses Of Vacuum Chambers And Pumps

 

A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. The vacuum, or low pressure zone, is created to allow technicians to conduct tests on substances or devices that are required to function in a vacuum. Chambers made of aluminum allow one to control the magnetic field inside from outside the vacuum. Conversely, chambers made of mu-metal prevent external fields from entering the vacuum.

Vacuum chambers are necessary to impede the contamination of samples in varied range of applications in spectroscopy and for film depositions. These ultra high vacuum applications are frequently utilized in semi-conductor manufacturing processes, because even the slightest degree of contamination can be disastrous in this industry. As referenced previously, vacuum chambers produce an environment that is conducive to testing devices that must operate in the vacuum that exists in outer space. Many vacuum chambers are constructed of aluminum, because aluminum, unlike other metals, is not magnetic.

Vacuum chambers are frequently constructed with multiple ports, covered with flanges, to allow instruments or windows to be installed in the walls of the chamber. For processes that only need low to medium levels of vacuum, rubber o-ring seals are utilized. In applications where very high vacuum levels are used, the flanges are made out of hardened steel which are sealed onto copper gaskets.

A type of vacuum chamber frequently used in the field of spacecraft engineering is a thermal vacuum chamber,, which provides a thermal environment representing what a spacecraft would experience in space. These applications also utilize very advanced   vacuum pumps

Vacuum chambers are frequently used when mixing resins and silicone rubbers. A vacuum chamber is needed when manufacturing resins and silicone rubber to insure that the mold is free of air bubbles. In order to prevent air bubbles, material are placed in a vacuum chamber while they set. The substrate upon which the vacuum is applied is mixed according to the manufacturers specifications. Because the material placed in the vacuum will expand to four times its original volume,the mixing container must be large enough to hold a volume of four times the amount of the original material that is being vacuumed to allow for the expansion. If additional volume is not provided, there will not be enough space available to allow the process to reach completion. The container in which the material is held is put into a vacuum chamber and the vacuum is applied when the vacuum pump is turned on. Subsequent to the vacuum attaining 982 mbar, the substrate will commence rising. . When the material falls it will plateau and not rise any more. The vacuuming is continued for another three minutes to make certain all of the air has been removed from the material. After this interval is attained, the vacuum is terminated and the pressure is allowed to equalize with the ambient pressure. At this point the vacuum chamber is opened and the substrate is removed and put into a mold.

Vacuum chambers utilized in the semi-conductor industry involve an exceedingly complex process. Due the very high levels of air purity required to avoid contamination of semi-conductor devices, these devices must be processed in ultra pure vacuums. With the progression of silicon based semi-conductor devices, the need for ultra high vacuum levels have increased to eliminate the possibility of any type of substrate contamination. For this reason, the most advanced ultra high vacuum chambers and pumps are used in space research and semi-conductor manufacturing. For semi-conductor manufacturing applications, impurities of even several molecules can destroy a substrated.

 

High Vacuum
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