{"id":293954,"date":"2019-10-15T08:35:08","date_gmt":"2019-10-15T07:35:08","guid":{"rendered":"https:\/\/www.deltamicroscopies.com\/produit\/fomblin-vacuum-grease-ar555-grade-2\/"},"modified":"2019-10-15T08:35:08","modified_gmt":"2019-10-15T07:35:08","slug":"fomblin-vacuum-grease-ar555-grade-2","status":"publish","type":"product","link":"https:\/\/www.deltamicroscopies.com\/en\/products\/fomblin-vacuum-grease-ar555-grade-2\/","title":{"rendered":"Fomblin\u00ae Vacuum Grease, AR555 Grade"},"content":{"rendered":"

Fomblin AR555 is a homogenous white grease with excellent rust inhibiting and solvent washout resistance properties. It is suitable for lubricating mechanical parts requiring boundary (extreme pressure) lubricating properties, and suitable for use in several operating conditions, high load, high speed, and where a wide temperature range is requred.<\/p>\n

The operating temperature range is from -20\u00b0C to 250\u00b0C. Its properties make it suitable in “lubricating for life” applications. This vacuum grease is an excellent lubricant for sliding elastomer seals, and exhibits the chemical inertness typical of the Fomblin range.<\/p>\n

It has a very low vapor pressure, <10-7 mbar at 20\u00b0C, and is suitable for use in the presence of gaseous and liquid oxygen under severe condition.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Thickener<\/td>\nPTFE<\/td>\n<\/tr>\n
Penetration worked after 60 strokes (ASTM D 217) mm\/10<\/td>\n290<\/td>\n<\/tr>\n
NLGI Class<\/td>\n2<\/td>\n<\/tr>\n
Viscosity of base fluid at 20\u00b0C<\/td>\n1500<\/td>\n<\/tr>\n
Viscosity of base fluid at 40\u00b0C<\/td>\n420<\/td>\n<\/tr>\n
Viscosity of base fluid at 100\u00b0C<\/td>\n40<\/td>\n<\/tr>\n
Viscosity Index (ASTM D 2270) cSt<\/td>\n135<\/td>\n<\/tr>\n
Anti-Rust Additivation<\/td>\nYes<\/td>\n<\/tr>\n
Evaporation (ASTM D 2595) Weight loss at 204\u00b0C\/22h\/120 l\/h<\/td>\n1.2%<\/td>\n<\/tr>\n
Range of continuous use temperature<\/td>\n-20\u00b0C to 250\u00b0C<\/td>\n<\/tr>\n
Oil separation FTMS 791 -321 Weight loss at 204\u00b0C\/30 hrs<\/td>\n7.2%<\/td>\n<\/tr>\n
Speedy Factor dm.n<\/td>\n250,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Very wide temperature range -20\u00b0C to 250\u00b0C
\nExcellent rust inhibiting properties
\nExcellent wear resistance properties
\nExcellent resistance to aggresive chemicals<\/p>\n","protected":false},"featured_media":287984,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false},"product_brand":[],"product_cat":[1126,1122],"product_tag":[],"class_list":{"0":"post-293954","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-evaportation","7":"product_cat-vaccum-greases-and-diffusion-pump-oils-en-2","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"\nFomblin\u00ae Vacuum Grease, AR555 Grade - Delta Microscopies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.deltamicroscopies.com\/en\/products\/fomblin-vacuum-grease-ar555-grade-2\/\" \/>\n<meta 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