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Heavy Duty CK-4 Diesel Engine Oil Complex

This product is composed of low base sulfonate detergent, boronized polymer ashless dispersant, high temperature detergent, antioxidant and anticorrosion agent and high temperature auxiliary antioxidant. It can meet the viscosity of 15W-40 and 10W-30 Grade CK-4/CJ-4 requirements, good compatibility with Class II oil, Class III oil and synthetic oil.

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Material Chemistry

Email：sale06@alfachem.cn

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Product introduction

Blending process

Select a suitable base oil, stir and raise the temperature to 65±5°C, add an appropriate amount of anti-foaming agent, pour point depressant, and viscosity increaser in sequence, stir evenly at constant temperature, add the corresponding dose of KT 31055, and stir evenly at constant temperature until the quality is qualified.

Applications

API quality level	Add dose（m%）
CK-4	13.6
CJ-4	13.2

Quality Index

Project	Quality index	Test Methods
Appearance	Reddish brown viscous liquid	Visual inspection
Density（20℃），kg/m³	950-1050	NB/SH/T 0870、ASTM D7042
Flash point (open cup)，℃	≥180	GB/T 3536、ASTM D92
Kinematic viscosity（100℃），mm²/s	100-130	NB/SH/T 0870、ASTM D7042
Phosphorus content，%（m/m）	0.7-0.8	NB/SH/T 0824、ASTM D4951
Calcium content，%（m/m）	1.65-1.85	NB/SH/T 0824、ASTM D4951
Sulfur content，%（m/m）	2.5-2.8	SH/T 0689、ASTM D5453
Total base number，mg KOH/g	≥66	SH/T 0251、ASTM D2896

Product storage, transportation and safety

When storing, transporting, loading, unloading and using the product, refer to the SH/T 0164 standard and the safety data sheet of the product. This product is non-flammable, non-explosive and non-corrosive. The maximum storage temperature should not exceed 75℃; if stored for a long time, the maximum temperature should not exceed 45℃. For product safety, user health and environmental precautions, please refer to the safety data sheet of the product.

Product packaging

Bulk; barreled.

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