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Lubricant Additive Metal Deactivator DMTD-484

DMTD-484 is an alkylthiadiazole, an ashless yellow metal deactivator, widely used in engine oils, gear oils, hydraulic oils, greases, and other lubricants.

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Description

Introduction

DMTD-484 is an alkylthiadiazole, an ashless copper corrosion inhibitor/deactivator in lubricants. It is widely used in engine oils, gear oils, hydraulic oils, greases, and other lubricants.

Performance comparable to leading international brands. A direct replacement for copper corrosion inhibitor in lubricants like gear oil, engine oil, hydraulic oils, etc.

Chemical name: dimercaptothiadiazole derivative (DMTD)

Chemical structure:

2,5-dimercapto-1,3,4-thiadiazole derivative (DMTD)

Cas No.: 89347-09-1

Treat level:

0.05-0.5% by weight in lubricant as a non-ferrous metal deactivator.

It is also an EP additive in greases at a treat rate of 1.0% - 3.0% by weight.

Features

● Light color and low odor.

● Outstanding copper corrosion inhibition effect (non-ferrous metal deactivator)

● Synergistic antioxidation and EP/AW performance.

● Good solubility in oils.

Specifications

Item	Quality Index	Test Method
Appearance	Light Yellow Liquid	Visual
Solubility	Soluble in lubricant bases	Visual
Density (20℃), g/cm ³	1.02-1.10	GB/T 2540
Flash Point (COC), ℃	>150	GB/T 3536
Sulfur, wt%	30.0-35.0	SH/T 0749