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R508B

Packing: non-recycled steel cylinder: 100g-1000g 11.3kg(30lbs), 22.7kg(50lbs)
recycled steel cylinder: 400L, 800L, 1000L ISO TANK
Molecular weight 95.39
Boiling point (℃) -87.4
Critical temperature (℃) 14.0
Critical pressure (MPa) 3.93
Specific heat , 25°C, [KJ/(kg·°C)] 0.31
ODP 0
GWP 2.608
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Packing: non-recycled steel cylinder: 100g-1000g 11.3kg(30lbs), 22.7kg(50lbs)
recycled steel cylinder: 400L, 800L, 1000L ISO TANK

 

R-508B is an environmentally friendly refrigerant R-508B refrigerant, alias R508B, and its trade names include SUVA 95, Genetron 508B, etc. R-508B is an environmentally friendly azeotropic refrigerant that does not contain ozone-depleting CFC and HCFC substances. It is currently recognized and recommended by most countries in the world as a mainstream ultra-low temperature environmentally friendly refrigerant. It is widely used in new refrigeration equipment (ultra-low temperature, Cryogenic) on initial installation and re-addition during maintenance. It meets the standards of EPA, SNAP and UL of the US environmental protection organizations, and meets the A1 safety level category of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) (this is the highest level and is not harmful to human health).

 

Physical properties

Molecular weight 95.39
Boiling point (℃) -87.4
Critical temperature (℃) 14.0
Critical pressure (MPa) 3.93
Specific heat , 25°C, [KJ/(kg·°C)] 0.31
ODP 0
GWP 2.608

 

Quality standard

Purity ≥99.8
Moisture, PPm ≤10
Acidity , PPm ≤1
Residue on evaporation, PPm ≤100

 

Purity of R23 Purity of R116 R23 content R116 content Error or gas distribution
3.0N 3.0N 46% 54% <+/-2%

 

Packing:

Non-recycled steel cylinder: 100g-1000g 11.3kg(30lbs), 22.7kg(50lbs)
recycled steel cylinder: 400L, 800L, 1000L ISO TANK

 

The main purpose

Main uses of R-508B R-508B (SUVA 95) is widely used as an ultra-low temperature refrigerant. Due to its good comprehensive properties, R-508B makes it a very effective and safe CFC-13 (R13, R-13, Freon 13. Substitutes for Freon-13), R-503 and HFC-23 (R23, R-23, Freon 23, Freon-23), mainly used in environmental test chambers/equipment (hot and cold shock testers), freeze-drying In cryogenic equipment (including scientific research refrigeration, medical refrigeration, etc.), ultra-low temperature refrigerators or freezers, blood bank refrigerators, biochemical test boxes, etc., the low temperature grades used for these cascade refrigeration systems are often used. R508B refrigeration temperature can be reduced to -80 ℃ or even lower, it is a long-term replacement for R-13, R-503 and R-23 in line with industrial standards, it is fully adapted to the working environment of R-503.

 

Precautions

Although R508B refrigerant is the most common choice to replace Freon R-503 and R13 on newly installed ultra-low temperature refrigeration equipment, because R508B and R503, R13 have different physical and chemical properties, theoretical cycle performance and compressor oil, etc. For after-sales maintenance of refrigeration equipment with R503 and R13 refrigerants, if it is necessary to add or replace refrigerants, only R503 and R13 can still be added, and usually R508B cannot be directly replaced R503, R13 (that is to say, it is usually not possible to perform blood exchange replacement). R-508B storage and transportation R-508B refrigerant cylinders are high-pressure containers, and should be kept away from fire, heat sources, and direct sunlight during storage. Usually stored in a cool, dry and ventilated warehouse; Prevent damage to accessories such as cylinders and valves. Compatible refrigeration oil: The refrigeration oil used for R-508B refrigerant includes: Emkarate RL32H, Solest LT-32, etc.; which refrigeration oil is finally used in different equipment and different application places should be in accordance with refrigeration compressors and refrigeration (air conditioning) equipment The manufacturer's suggestion, or according to the specific conditions of the refrigeration compressor and refrigeration equipment, determine the use of the refrigerator lubricating oil with the same design requirements, that is, select the equivalent refrigerator oil. Advantages: R-508B refrigerant belongs to PFC refrigerant, which is suitable for ultra-low temperature applications [as low as -40°F to -150°F (-40°C to -101°C)], such as pharmaceutical cold storage, environmental laboratory Industrial grade replacement for R-13 and R-503. This product is superior to R-23, including reducing compressor discharge temperature, and is the best choice for critical applications ensuring optimum system reliability. Suva® 95 can be applied to new equipment or to replace existing systems. Applications Ultra-low temperature environments [as low as -40°F to -150°F (-40°C to -101°C)]: pharmaceutical cold storage; environmental laboratory. Supported by many OEMs; extended equipment life: lower discharge temperature than R-23, extending compressor life; improved cooling capacity: 30% higher cooling capacity than R-13; the best match for R-503 systems Direct replacement of refrigerant.

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