{"title":"Silicone Diffusion Pump Oil","description":"\u003cp\u003eThe key to maximizing the performance of your diffusion pump system is using high-quality oils, and we carry three different types of high-quality oil to match your specific vacuum needs. We also offer Dow Corning High Vacuum Grease.\u003c\/p\u003e","products":[{"product_id":"mt-702-diffusion-pump-fluid-1-gallon","title":"MT-702 Diffusion Pump Fluid - 1 Gallon","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-702. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eMixed phenylmethyl dimethyl cyclosiloxane. MT-702 diffusion pump fluid is a general purpose fluid designed for fast pumping of large volumes of gas. It is used to produce vacuums in the range of 10E-5 to 10E-7 torr. It is also used in vapor ejector pumps that attain vacuum of 10E-4 to 10E-5 torr.\u003c\/p\u003e \u003cp\u003eGreat for high-speed diffusion pumps\u003c\/p\u003e \u003cp\u003eUses include: aluminizing TV tubes, vacuum metallurgy, and heat-treat furnaces\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-702, and Invoil 702 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342075781222,"sku":"42500-00008","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/702_gal__34646.jpg?v=1774863251"},{"product_id":"mt-702-diffusion-pump-fluid-500cc","title":"MT-702 Diffusion Pump Fluid - 500cc","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-702.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eMixed phenylmethyl dimethyl cyclosiloxane. MT-702 diffusion pump fluid is a general purpose fluid designed for fast pumping of large volumes of gas. It is used to produce vacuums in the range of 10E-5 to 10E-7 torr. It is also used in vapor ejector pumps that attain vacuum of 10E-4 to 10E-5 torr.\u003c\/p\u003e \u003cp\u003eGreat for high-speed diffusion pumps\u003c\/p\u003e \u003cp\u003eUses include: aluminizing TV tubes, vacuum metallurgy, and heat-treat furnaces\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-702, and Invoil 702 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342075813990,"sku":"42500-00001","price":199.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/702_500cc_1__31492.jpg?v=1774863252"},{"product_id":"mt-704-diffusion-pump-fluid-1-gallon","title":"MT-704 Diffusion Pump Fluid - 1 Gallon","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-704. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eTetramethyl tetraphenyl trisiloxane. MT-704 diffusion pump fluid is a single component fluid for high vacuums of 10E-6 to 10E-8 torr, untrapped or 10E-10 to 10E-11, trapped. It performs well in tough, rugged applications and offers quick pumpdown, even after exposure to air at operating temperatures, although this is not recommended.\u003c\/p\u003e \u003cp\u003eAppropriate for use in medium and large pumping speed diffusion pumps\u003c\/p\u003e \u003cp\u003eLower attainable pressure\u003c\/p\u003e \u003cp\u003eOffers higher resistance to hydrolysis and oxidation\u003c\/p\u003e \u003cp\u003eFor diffusion bonding, vacuum metal casting, and other uses\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-704, KJLC 704,and Invoil 704 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342075846758,"sku":"42500-00022","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/MTSDiffusionPumpFluidJug_1.png?v=1793804234"},{"product_id":"mt-704-diffusion-pump-fluid-500cc","title":"MT-704 Diffusion Pump Fluid - 500cc","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-704. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eTetramethyl tetraphenyl trisiloxane. MT-704 diffusion pump fluid is a single component fluid for high vacuums of 10E-6 to 10E-8 torr, untrapped or 10E-10 to 10E-11, trapped. It performs well in tough, rugged applications and offers quick pumpdown, even after exposure to air at operating temperatures, although this is not recommended.\u003c\/p\u003e \u003cp\u003eAppropriate for use in medium and large pumping speed diffusion pumps\u003c\/p\u003e \u003cp\u003eLower attainable pressure\u003c\/p\u003e \u003cp\u003eOffers higher resistance to hydrolysis and oxidation\u003c\/p\u003e \u003cp\u003eFor diffusion bonding, vacuum metal casting, and other uses\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-704, KJLC 704,and Invoil 704 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342075879526,"sku":"42500-00011CC","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/704_500cc__46657.jpg?v=1774863255"},{"product_id":"mt-705-diffusion-pump-fluid-1-gallon","title":"MT-705 Diffusion Pump Fluid - 1 Gallon","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-705. \u003c\/span\u003ePentaphenyl trimethyl trisiloxane. MT-705 diffusion pump fluid is a colorless to light straw, single component for ultrahigh vacua in the range of 10E-9 to 10E-10 torr untrapped and 10E-11 torr trapped. The vapor pressure and backstreaming rate of MT-705 Diffusion Pump Fluid are low enough that use of traps or refrigeration may not be necessary for all ultrahigh and ultraclean vacuum applications. It has the highest phenyl content of all silicone diffusion pump fluids, and hence, the best resistance to radiation. Additionally, MT-705 has a high spontaneous ignition temperature.\u003c\/p\u003e \u003cp\u003eSingle component for ultrahigh vacua in the range of 10E-9 to 10E-10 torr untrapped and 10E-11 torr trapped\u003c\/p\u003e \u003cp\u003eVapor pressure and backstreaming rate of MT-705 Diffusion Pump Fluid are low enough that use of traps or refrigeration may not be necessary for all ultrahigh and ultraclean vacuum applications\u003c\/p\u003e \u003cp\u003eHighest phenyl content of all silicone diffusion pump fluids\u003c\/p\u003e \u003cp\u003eBest resistance to radiation\u003c\/p\u003e \u003cp\u003eMT-705 has a high spontaneous ignition temperature\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-705, KJLC 705,and Invoil 705 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342075912294,"sku":"42500-00023","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/705_gal__16305.jpg?v=1774863257"},{"product_id":"mt-705-diffusion-pump-fluid-500cc","title":"MT-705 Diffusion Pump Fluid - 500cc","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-705.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003ePentaphenyl trimethyl trisiloxane. MT-705 diffusion pump fluid is a colorless to light straw, single component for ultrahigh vacua in the range of 10E-9 to 10E-10 torr untrapped and 10E-11 torr trapped. The vapor pressure and backstreaming rate of MT-705 Diffusion Pump Fluid are low enough that use of traps or refrigeration may not be necessary for all ultrahigh and ultraclean vacuum applications. It has the highest phenyl content of all silicone diffusion pump fluids, and hence, the best resistance to radiation. Additionally, MT-705 has a high spontaneous ignition temperature.\u003c\/p\u003e \u003cp\u003eSingle component for ultrahigh vacua in the range of 10E-9 to 10E-10 torr untrapped and 10E-11 torr trapped\u003c\/p\u003e \u003cp\u003eVapor pressure and backstreaming rate of MT-705 Diffusion Pump Fluid are low enough that use of traps or refrigeration may not be necessary for all ultrahigh and ultraclean vacuum applications\u003c\/p\u003e \u003cp\u003eHighest phenyl content of all silicone diffusion pump fluids\u003c\/p\u003e \u003cp\u003eBest resistance to radiation\u003c\/p\u003e \u003cp\u003eMT-705 has a high spontaneous ignition temperature\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-705, KJLC 705,and Invoil 705 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342075945062,"sku":"42500-00014","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/705_500cc_1__41503.jpg?v=1774863258"},{"product_id":"mt-705-diffusion-pump-fluid-250cc","title":"MT-705 Diffusion Pump Fluid - 250cc","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-705.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003ePentaphenyl trimethyl trisiloxane. MT-705 diffusion pump fluid is a colorless to light straw, single component for ultrahigh vacua in the range of 10E-9 to 10E-10 torr untrapped and 10E-11 torr trapped. The vapor pressure and backstreaming rate of MT-705 Diffusion Pump Fluid are low enough that use of traps or refrigeration may not be necessary for all ultrahigh and ultraclean vacuum applications. It has the highest phenyl content of all silicone diffusion pump fluids, and hence, the best resistance to radiation. Additionally, MT-705 has a high spontaneous ignition temperature.\u003c\/p\u003e \u003cp\u003eSingle component for ultrahigh vacua in the range of 10E-9 to 10E-10 torr untrapped and 10E-11 torr trapped\u003c\/p\u003e \u003cp\u003eVapor pressure and backstreaming rate of MT-705 Diffusion Pump Fluid are low enough that use of traps or refrigeration may not be necessary for all ultrahigh and ultraclean vacuum applications\u003c\/p\u003e \u003cp\u003eHighest phenyl content of all silicone diffusion pump fluids\u003c\/p\u003e \u003cp\u003eBest resistance to radiation\u003c\/p\u003e \u003cp\u003eMT-705 has a high spontaneous ignition temperature\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-705, KJLC 705,and Invoil 705 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342076567654,"sku":"42500-00025CC","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/705_250cc__31797.jpg?v=1774863284"},{"product_id":"mt-704-diffusion-pump-fluid-250cc","title":"MT-704 Diffusion Pump Fluid - 250cc","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-704.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eTetramethyl tetraphenyl trisiloxane. MT-704 diffusion pump fluid is a single component fluid for high vacuums of 10E-6 to 10E-8 torr, untrapped or 10E-10 to 10E-11, trapped. It performs well in tough, rugged applications and offers quick pumpdown, even after exposure to air at operating temperatures, although this is not recommended.\u003c\/p\u003e \u003cp\u003eAppropriate for use in medium and large pumping speed diffusion pumps\u003c\/p\u003e \u003cp\u003eLower attainable pressure\u003c\/p\u003e \u003cp\u003eOffers higher resistance to hydrolysis and oxidation\u003c\/p\u003e \u003cp\u003eFor diffusion bonding, vacuum metal casting, and other uses\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-704, KJLC 704,and Invoil 704 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342076600422,"sku":"42500-00029CC","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/704_250cc___79338.jpg?v=1774863285"},{"product_id":"dupont-molykote-high-vacuum-grease-5-3oz","title":"DuPont Molykote High Vacuum Grease, 5.3oz","description":"\u003cp\u003eDuPont Molykote\u003csup\u003e®\u003c\/sup\u003e High-Vacuum Grease is a stiff, non-melting silicone lubricating material that maintains its consistency from -40 to 204°C (-40 to 400°F). This High-Vacuum Grease is recommended for vacuums reaching between 1 x 10-5 and 1 x 10-6 mm Hg. \u003c\/p\u003e \u003cp\u003eAPPLICATIONS\u003c\/p\u003e \u003cp\u003e• Seal and lubricate chemical processing equipment\u003c\/p\u003e \u003cp\u003e • Lubricate plug valves, control valves, flow meter bearings, ceramic plug cocks and fire extinguisher valves\u003c\/p\u003e \u003cp\u003e• Maintain vacuum and pressure systems\u003c\/p\u003e \u003cp\u003e• Lubricate water-treating equipment\u003c\/p\u003e \u003cp\u003e• Lubricate synthetic rubber gaskets and seals in high-temperature applications\u003c\/p\u003e \u003cp\u003e• Lubricate laboratory equipment\u003c\/p\u003e \u003cp\u003e• Lubricate O-rings on binoculars and telescopes\u003c\/p\u003e \u003cp\u003e• Help prevent fogging of delicate lenses\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342076633190,"sku":"42600-00005","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/1597417-molykote-high-vacuum-grease-1__64127.jpg?v=1774863286"},{"product_id":"mt-702-diffusion-pump-fluid-5-gallon","title":"MT-702 Diffusion Pump Fluid - 5 Gallon","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-702. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eMixed phenylmethyl dimethyl cyclosiloxane. MT-702 diffusion pump fluid is a general-purpose fluid designed for fast pumping of large volumes of gas. It is used to produce vacuums in the range of 10E-5 to 10E-7 torr. It is also used in vapor ejector pumps that attain vacuum of 10E-4 to 10E-5 torr.\u003c\/p\u003e \u003cp\u003eGreat for high-speed diffusion pumps\u003c\/p\u003e \u003cp\u003eUses include aluminizing TV tubes, vacuum metallurgy, and heat-treat furnaces\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-702, and Invoil 702 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342078959718,"sku":"4NDO702-S68X84","price":2249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/MTSMT-702DiffusionPumpFluidContainer.png?v=1793745091"},{"product_id":"mt-704-diffusion-pump-fluid-5-gallon","title":"MT-704 Diffusion Pump Fluid - 5 Gallon","description":"\u003cp\u003e\u003cspan\u003eReplacement for and equivalent to Dow Corning DC-704. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eTetramethyl tetraphenyl trisiloxane. MT-704 diffusion pump fluid is a single component fluid for high vacuums of 10E-6 to 10E-8 torr, untrapped or 10E-10 to 10E-11, trapped. It performs well in tough, rugged applications and offers quick pumpdown, even after exposure to air at operating temperatures, although this is not recommended.\u003c\/p\u003e \u003cp\u003eAppropriate for use in medium and large pumping speed diffusion pumps\u003c\/p\u003e \u003cp\u003eLower attainable pressure\u003c\/p\u003e \u003cp\u003eOffers higher resistance to hydrolysis and oxidation\u003c\/p\u003e \u003cp\u003eFor diffusion bonding, vacuum metal casting, and other uses\u003c\/p\u003e \u003cp\u003e\u003cspan\u003eSold as DS-704, KJLC 704, and Invoil 704 elsewhere.\u003c\/span\u003e\u003c\/p\u003e","brand":"Midwest Tungsten Service","offers":[{"title":"Default Title","offer_id":45342078992486,"sku":"4NDO704-C05F48","price":2749.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/files\/MTSDiffusionPumpFluidJug.png?v=1793803993"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7286\/2054\/collections\/704_gal__92683.jpg?v=1792437345","url":"https:\/\/www.tungsten.com\/collections\/vacuum-metalizing-silicone-diffusion-pump-oil.oembed","provider":"Midwest Tungsten Service, Inc.","version":"1.0","type":"link"}