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ANTIFROGEN SOL HT

ANTIFROGEN SOL HT

A READY-TO-USE SOLUTION FOR SOLAR HEATING SYSTEMS BASED ON HIGHER BOILING GLYCOLS

Antifrogen® SOL HT is a physiologically harmless, yellowish, clear liquid based on an aqueous solution of higher boiling glycols, which is used as a heat transfer medium in solar heating systems, also those exposed to high thermal loads. The product is inhibited without the use of nitrites-, borates-, silicates- and phosphates. It meets the requirements of DIN 4757, part 3, for solar heating systems. The optimization of the corrosion inhibition system was performed without the use of CMR-substances (cancerogenic, mutagenic, reprotoxic).

 
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  1. Based on higher boiling glycols plus anti-corrosion additives

  2. Permanent usage temperatures: approx. -23 to +200 °C

  3. Premixed with deionized water (frost resistance: approx. -23 °C)

  4. Typical applications: Solar heating systems, even highly stressed collectors with vacuum tubes resp. solar heating systems exposed to high thermal loads

  5. Water hazard class WGK 1 (slightly water-polluting)

Antifrogen® SOL HT was developed especially for use as a heat transfer medium in solar systems. The product is physiologically harmless.

Density at 20°C (DIN 51757) g/cm⊃3; 1.082
Refractive index at 20°C (DIN 51423, Part 2) '' 1.401
pH-Value undiluted (DIN 51369) '' approx 9
Reserve alcalinity (ASTIM D 1121) ml c (HCI) 0.1m at least 4
Boiling point at 1013mbar (ASTM D 1120) °C approx 105
Pour point (DIN 51597) °C approx -28
Kinematic viscosity (DIN 51562) mm⊃2;/s approx. 7.4 approx. 1.44
Freezing Point (ASTM D 1177) °C approx 23
Specific heat KJ/Kg *K approx 3.2
Thermal conductivity W/mK approx 3.6