Divinol Thermosure OS 25 product for cooling the machine tool spindle, ready mix with 40% water, based on ethylene glycol

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Divinol Thermosure OS 25 is a ready-made mixture of water and glycol built on the basis of ethylene glycol. It does not contain nitrites, amines, phosphates and borates.

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Water content according to K. Fischer / DIN 51 777:

55% weight

Density/15°C / DIN 51 757

1070 kg/m³

Freezing point / DIN ISO 3016

<-25 °C




Divinol Thermosure OS 25 is a heat transfer liquid used in a wide temperature range. The product is a ready-made mixture for use to -25 °C, increases the boiling point and at the same time prevents corrosion on metallic systems. Divinol Thermosure OS 25 does not destroy common Elastomers NBR, H-NBR, ACM, MVQ, FPM, EPDM, IIR, NR, SBR, CR, PTFE, LDPE and HDPE, PP, PVC, PA and UP. It also has no detrimental effect on copper.

Divinol Thermosure OS 25 is used, for example, in heating, thermostating process, underfloor heating, air conditioning units and refrigerators as a means of preventing freezing of cooling spools.

Divinol Thermosure OS 25 cannot be used in systems with galvanized steel.

Freezing and boiling points of the finished mixture
Freezing point (°C) : -38
Boiling Point (°C): 111
Specific heat at 20°C (kJ/kgK): 3.31
Thermal Conductivity (W/mK): 0.39

This information corresponds to the state of our current knowledge. They do not exempt users from self-checks. From our information, it is not possible to derive a legally binding assurance of certain characteristics or suitability for use for a specific purpose. The recipients of our products should comply with any applicable laws and regulations that apply to the use and handling of our products on their own.

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