In order to sincerely serve our customers, we provide free after-sales testing service to our customers. Through above service our customer will feel confident, safe, and comfortable to our products.

1. Heat Transfer Fluids

1)Test items for Heat transfer fluid

 2)Limitation of Heat Transfer Fluid

After long-term use of heat transfer fluid, the performance will slowly degrade. If two or more items reach the following limitations, the fluid must be recycled or replaced; if only one item reaches the following limitations, we recommend to have further comprehensive analysis:

Limitation items:

a.Flash point vary over ±20% (by GB/T261)

b.Viscosity vary over ±15% (by GB/T265)

c.TAN reach 0.5mgKOH/g (by GB/T264)

d.Carbon residue reach 1.5%wt(by GB/T268)

2. Hydraulic Oil

1)Test items for Hydraulic oil

 2)Limitation of Hydraulic oil

a.Viscosity at 40℃ vary over the range of -10% ~ 15% (by GB/T265)

b.Water content reach 0.1% *by GB/T11133)

c.Color scale increase over 2 (by GB/T6540)

d.TAN decrease by 35% or reach 0.4 mgKOH/g (by GB/T264)

e.Copper corrosion test (100℃,3h)reach 2a (by GB/T5096)

3.Gear Oil

Test items of Gear Oil

4.Slideway Oil

Test items of Slideway oil

5. Aromatic Rubber Process Oil

Test items of Aromatic rubber process oil

6.Paraffinic Rubber Process Oil

Test items of Paraffinic rubber process oil

7.Naphthenic Rubber Process Oil

Test items of Naphthenic rubber process oil

Problem Analysis and Solution

If you have any problems with above oil products or equipment system, you can contact us. We will provide reasonable solutions according to the working environment of the customer factory, and relevant reports to the customers, so that customers can refer it as a recommendation of the solution. Every single issue from the customer was treated as the important work to us. Our company constantly enhances the testing equipment to make our testing items more complete. Our product analysis can have more than 20 testing items, which is one of the most complete and advanced laboratory in oil industry of China.