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ORAFON R-508B

HFC BlendR-508BA1
Medical & lab ULT freezersCascade low stageTest chambers

Ultra-low-temperature HFC blend

ORAFON R-508B is an azeotropic, non-flammable (A1) HFC blend for ultra-low temperatures down to −80 °C and below — medical and laboratory freezers — used in the low stage of cascade systems. Very high GWP.

GWP
13396
ODP
0
ASHRAE
A1
Replaces
R-503, R-13

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DAC8 kg
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Description
GWP 13396

GWP (AR4) 13396 · ODP 0

HFC Blend

Azeotropic blend · R-23 / R-116 (46/54)

A1 non-flammable

Non-flammable and lower toxicity — familiar handling practices

Replaces R-503, R-13

New systems and conversions (confirm with the equipment manufacturer)

Applications

Medical & lab ULT freezers · Cascade low stage · Test chambers

TDS/SDS available

Request them from the "Documents" tab or the ORAFON team

ORAFON R-508B is an HFC Blend refrigerant (azeotropic blend), ASHRAE number R-508B, composition R-23 / R-116 (46/54). It is classified A1 under ASHRAE 34, with GWP (AR4) 13396 and ODP 0.

An azeotropic, non-flammable (A1) HFC blend for ultra-low temperatures down to −80 °C and below — medical and laboratory freezers — used in the low stage of cascade systems. Very high GWP.

An ORAFON-brand product from Oranoss Co., Ltd., backed by TDS/SDS documents and technical advice on choosing the right refrigerant. Contact us for pack sizes, stock and a quotation.

Specifications
BrandORAFON
Distributed byORANOSS COMPANY LIMITED (ORAFON)
CategoryRefrigerants
ASHRAE numberR-508B
Refrigerant typeHFC Blend
Blend typeAzeotropic
CompositionR-23 / R-116 (46/54)
ASHRAE safety classA1 — non-flammable
ODP0
GWP (AR4)13396
GWP (AR5)11698
Boiling / bubble point (°C)−87.4
ReplacesR-503, R-13
Pack sizes · DAC8 kg

Reference values from international standards (ASHRAE 34 / IPCC AR4, AR5) for preliminary guidance. Always confirm with the manufacturer's TDS/SDS.

Technical documents

Full documents are available from the ORAFON team

TDS
Technical Data Sheet (TDS)
ORAFON R-508B · PDF
Request

Applications
Medical & lab ULT freezers
Cascade low stage
Test chambers

FAQ
Which refrigerants can ORAFON R-508B replace?
R-503, R-13. Before converting, check compressor oil and equipment compatibility with the manufacturer or ask the ORAFON team.
Is it flammable? How safe is it?
It is classified A1 under ASHRAE 34. Non-flammable and lower toxicity: familiar handling practices.
Which pack sizes are available, and how do I get a price?
Contact the ORAFON team for pack sizes, stock and a quotation via the "Request a quote" button, LINE or phone.
Technical CenterRefrigerant technical resources — a retrofit guide, TDS/SDS documents and safety guidance for technicians, contractors and engineers.→ Find a replacementFind replacements for existing systems and compare the GWP of each option→ ContactThe ORAFON team can help choose the right refrigerant, recommend replacements and send TDS/SDS documents.→
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