{"id":5566,"date":"2026-05-08T05:39:20","date_gmt":"2026-05-08T05:39:20","guid":{"rendered":"https:\/\/nylonplastic.com\/lubricated-nylon-ptfe-mos2-oil-filled-grades\/"},"modified":"2026-06-17T09:09:44","modified_gmt":"2026-06-17T09:09:44","slug":"lubricated-nylon-ptfe-mos2-oil-filled-grades","status":"publish","type":"post","link":"https:\/\/nylonplastic.com\/vi\/lubricated-nylon-ptfe-mos2-oil-filled-grades\/","title":{"rendered":"C\u00e1c lo\u1ea1i nylon b\u00f4i tr\u01a1n: PTFE, MoS\u2082 v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn ch\u1ee9a d\u1ea7u d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ed1ng m\u00e0i m\u00f2n"},"content":{"rendered":"
\n \"lubricated-nylon-ptfe-mos2-oil-filled-grades\"
lubricated nylon ptfe mos2 oil filled grades<\/figcaption><\/figure>\n

Why Lubricate Nylon?<\/h2>\n

Nylon’s natural surface properties include a relatively low coefficient of friction compared to many engineering plastics\u2014but it’s not inherently self-lubricating. In moving-part applications like gears, bearings, slides, and cams, unlubricated nylon can experience accelerated wear, frictional heating, and stick-slip behavior. Lubricated nylon grades solve this by incorporating solid or liquid lubricants directly into the polymer matrix, creating parts that run smoothly for millions of cycles without external lubrication.<\/p>\n

The lubricant additives work by forming a transfer film<\/strong> on the mating surface. As the nylon part moves, microscopic lubricant particles are released, coating both the nylon surface and the opposing metal or plastic surface. This film reduces the coefficient of friction from 0.35\u20130.40 (unmodified nylon on steel) down to 0.10\u20130.20, depending on the lubricant type and loading.<\/p>\n

The Three Main Lubricant Types<\/h2>\n\n\n\n\n\n\n\n
Lubricant<\/th>\nTypical Loading<\/th>\nCOF (vs Steel)<\/th>\nBest Application<\/th>\n<\/tr>\n<\/thead>\n
PTFE (Teflon)<\/strong><\/td>\n10\u201320%<\/td>\n0.10\u20130.18<\/td>\nHigh-speed bearings, low-load slides<\/td>\n<\/tr>\n
MoS\u2082 (Molybdenum Disulfide)<\/strong><\/td>\n1\u20135%<\/td>\n0.12\u20130.20<\/td>\nHigh-load gears, thrust washers<\/td>\n<\/tr>\n
Oil-filled<\/strong><\/td>\n2\u20138%<\/td>\n0.08\u20130.15<\/td>\nPrecision bearings, low-noise applications<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

PTFE-Filled Nylon<\/h3>\n

PTFE (polytetrafluoroethylene) is the most common solid lubricant for nylon. With a coefficient of friction as low as 0.04 in its pure form, PTFE particles dispersed throughout nylon create an extremely low-friction surface. PTFE-filled nylons are ideal for high-speed, low-to-moderate load applications where continuous sliding motion is required.<\/p>\n

The limitation: PTFE reduces mechanical strength by 10\u201320% and increases cost. It also doesn’t perform as well as MoS\u2082 under very high contact pressures.<\/p>\n

MoS\u2082-Filled Nylon<\/h3>\n

Molybdenum disulfide has a layered crystal structure similar to graphite\u2014sheets that easily slide past each other. This makes it exceptional under high contact pressures where PTFE would be squeezed out. MoS\u2082-filled nylon is the go-to choice for gears, cams, and thrust washers operating under significant load.<\/p>\n

MoS\u2082 also increases nylon’s crystallinity slightly, which can improve strength and stiffness\u2014unlike PTFE which weakens the matrix. The dark gray\/black color can be a consideration for visible parts.<\/p>\n

Oil-Filled Nylon<\/h3>\n

Oil-filled nylons incorporate lubricating oil directly into the polymer during compounding. During operation, the oil slowly migrates to the surface, providing continuous lubrication throughout the part’s life. This “self-replenishing” characteristic makes oil-filled nylon excellent for sealed applications where relubrication is impossible.<\/p>\n

Common oils include silicone, mineral oil, and synthetic hydrocarbon oils. The oil content is precisely controlled to avoid excessive migration that could contaminate surrounding components.<\/p>\n

\n \"Content
\n<\/figure>\n
\n \"H\u00ecnh
\n<\/figure>\n

Wear Rate Comparison<\/h2>\n\n\n\n\n\n\n\n\n
Nylon Grade<\/th>\nK-Factor (\u00d710\u207b\u2078 mm\u00b3\/N\u00b7m)<\/th>\nPV Limit (MPa\u00b7m\/s)<\/th>\nService Temp Range<\/th>\n<\/tr>\n<\/thead>\n
PA6 Unfilled<\/td>\n40\u201380<\/td>\n0.09\u20130.12<\/td>\n-30\u00b0C to 85\u00b0C<\/td>\n<\/tr>\n
PA6 + 15% PTFE<\/td>\n5\u201312<\/td>\n0.15\u20130.25<\/td>\n-40\u00b0C to 100\u00b0C<\/td>\n<\/tr>\n
PA6 + MoS\u2082<\/td>\n8\u201315<\/td>\n0.20\u20130.35<\/td>\n-30\u00b0C to 95\u00b0C<\/td>\n<\/tr>\n
PA66 + Aramid + PTFE<\/td>\n2\u20135<\/td>\n0.35\u20130.50<\/td>\n-40\u00b0C to 120\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Design Guidelines for Lubricated Nylon Parts<\/h2>\n