Metalworking fluid additives ——Lubricants

Short Description:

Metalworking lubricant additives improve the lubricating properties of metalworking fluids and other specialty lubricants. These products provide physical boundary lubrication between metal surfaces during the machining of various types of metal cutting fluids and forming waves, thereby reducing friction and wear. These additives do not react chemically with metal surfaces (unlike extreme pressure lubricants) and include polyesters, water-soluble/emulsifiable esters, polyether esters and polyalkyl derivatives.

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POLYMER ESTER

Light-colored, low-odor polymer ester additives with a unique branched structure that offers superior lubricating performance and hydrolytic stability compared to traditional ester compounds. Their excellent wetting ability enables faster and more effective delivery to various complex metal interfaces during the machining process.

Item	Viscosity (100℃, mm²/s)	Acid Value (mgKOH/g)	Iodine value (mg/g)	Application Scope			Performance Overview	Alternatives
Item	ASTM D445	ASTM D664	ISO 3961	Pure oil	Emulsified fluid	Semi-synthetic	Performance Overview	Alternatives
SYN-LUBE1210	270	25.0	80.0		*	*	Unsaturated polymer ester, suitable for water-based emulsion systems to enhance lubricating performance	LUBRIZOL SYN-ESTER GY10
SYN-LUBE1225	240	20.0	<2.0	*	*	*	An alternative to chlorinated paraffin with a wide application range	LUBRIZOL SYN-ESTER GY25
SYN-LUBE1256	375	<5.0	<2.0	*	*	*	An alternative to chlorinated paraffin with a wide application range and excellent solubility	LUBRIZOL SYN-ESTER GY56
SYN-LUBE1259	950	<5.0	<2.0	*	*	*	An alternative to chlorinated paraffin with a high oil film strength and excellent solubility	LUBRIZOL SYN-ESTER GY59

WATER-SOLUBLE SELF-EMULSIFYING ESTER

Natural, low-odor water-soluble emulsifying ester additives. This product series, when neutralized with amines, becomes fully soluble in water. The unique synthesis technology of fatty acids and vegetable oils endows them with outstanding lubrication, rust prevention, and biostability.

Item	Specific Gravity (15.6℃, g/cm³)	Viscosity (40℃, mm²/s)	Acid Value (mgKOH/g)	Application Scope			Performance Summary	Alternatives
Item	ASTM D4052	AST MD445	ASTM D664	Emulsified oil	Semi-synthetic	Fully-synthetic	Performance Summary	Alternatives
ESTER-SE422	1.013	679.0	39.0	*	*	*	An alternative to rust inhibitors and trans-blocked polyethers with superior rust prevention and lubrication performance
ESTER-SE434	1.036	292.0	24.5	*	*	*	Amine-free modified vegetable oil product, an alternative to ricinoleic acid condensate
ESTER-SE932	0.956	21.0	60.0	*	*	*	Self-emulsifying ester, offering good lubrication, cleaning, wetting, and low-foaming properties
ESTER-SE935	1.011	298.0	32.5	*	*	*	Self-emulsifying ester, with excellent lubrication and low-foaming properties, capable of resisting calcium hard water at concentrations above 2000 ppm	CRODA Priolube 3955

POLYETHER ESTER

Low-odor water-soluble polyether ester additives synthesized from unique materials, an effective alternative to trans-block polyethers, fully compatible with cationic settling agents.

Item	Specific Gravity (15.6℃, g/cm³)	Viscosity (4℃, mm²/s)	Acid Value (mgKOH/g)	Cloud Point (℃)	Application Scope			Performance Summary
Item	ASTM D4052	ASTMD445	ASTM D664	—	Emulsified oil	Semi-synthetic	Fully-synthetic	Performance Summary
ESTER-PE943	1.060	233.7	21.821	35.0		*	*	Outstanding lubrication and cleaning performance, suitable for demanding machining environments
ESTER-PE945	1.058	27.8	27.024	30.0		*	*	Exceptional lubrication and low-foam performance, showing a very low tendency to foam even under high pressure conditions.

*Cloud point test method: 10% dissolved in deionized water.

POLYALKYLENE DERIVATIVES

Water-soluble polyalkylene lubricant, with its unique molecular structure, can dissolve in alkaline solutions without the need for added coupling agents.

Item	Specific Gravity (15.6℃, g/cm³)	Viscosity (4℃, mm²/s)	Acid Value (mgKOH/g)	Cloud Point (℃)	Application Scope		Performance Overview
Item	ASTM D4052	ASTM D445	ASTM D664	—	Fully-synthetic	Semi-synthetic	Performance Overview
MAXLUB310	1.067	135.0	26.0	—	*	*	An alternative to trans-block polyethers, with no cloud point and no need for solubilizers, offering superior cleaning performance
MAXLUB328	1.064	345.6	57.0	30.0	*	*	Good lubrication, low foam, suitable for lubricating fluids in harsh machining environments.