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DOWFROST LC 25%

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Dowfrost LC 25% is a thermal fluid designed for cooling data communication systems and electrical circuits.

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Description

DOWFROST™ LC 25% is an inhibited propylene glycol-based thermal fluid specially formulated for use in cooling systems for data communications equipment or DECS loops. DOWFROST™ LC 25% is a pre-diluted solution of propylene glycol in water with proprietary anti-corrosion inhibitors to maximize heat transfer and cooling control.

DOWFROST™ LC 25% heat transfer fluid provides freeze protection for the system circuit down to -14°F (-10°C) and exhibits incredible metal corrosion protection even for components with high copper surface area.

DOWFROST™ LC 25% is manufactured from virgin Dow PuraGuard™ USP grade propylene glycol, resulting in a consistent, high-quality fluid that resists foaming, premature degradation, and malodors of inferior glycol fluids.

Uses

DOWFROST™ LC 25% Inhibited Propylene Glycol can be successfully used in a wide range of equipment and facilities, including but not limited to:

Direct-to-chip liquid cooling systems
Liquid-based Data Communication Equipment Cooling System (DECS)
Glycol-cooled computer room air conditioning units (CRAC units)
Glycol circuit heat exchangers and pumped coolant
Closed-circuit or rack-mounted cooling
Monobloc or row cooling

Features and Benefits

Robust temperature stability (-14°F to 195°F)
Excellent corrosion protection
Fluorescent yellow-green dyed for easy leak detection.
More cost-effective cooling solution than air alone
Resists and prevents biofouling.
Compatible with metal surfaces, including copper.
Greater cooling efficiency
Greater flexibility for rack and cooling circuit design

Problems Solved

Low-efficiency air cooling technologies or DECS
Incredibly expensive air cooling operating costs
Insufficient thermal control or damage to databases or servers

Product Specifications

Product type: Heat transfer fluid
Propylene glycol concentration (% by volume): 25
Appearance: fluorescent greenish yellow tint
Freezing point: −14°F (−10°C)
Maximum temperature: 195°F (90°C)
pH: 8.0–10.5
Reserve alkalinity (mL): >6.0
Thermal conductivity (50°C, W/mK): 0.485
Specific heat (50°C, kJ/kg·K): 3.94
Viscosity (at 20°C, mPa s): 2.5
Viscosity (at 50°C, mPa s): 1.1
Volume expansion from −40°C to 90°C: 5.2%
Boiling point (760 mmHg): 101.4°C
Electrical conductivity (micromho/cm): >2,000
Sulfate (ppm): <10
Chloride (ppm): <5
Total hardness (ppm as CaCO3): <20

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