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An Encyclopedia on Refrigerant Gas Knowledge

  • Q Introduction of Refrigerant Gas R134A

    A Introduction

    R134a (1,1,1,2-tetrafluoroethane) is one of the most widely used medium and low temperature environmentally friendly refrigerants. It has good comprehensive performance, making it a very effective and safe R12 (dichloro two Fluoromethane) can be used in most fields where R12 refrigerant is used.

    R-134a (1,1,1,2-tetrafluoroethane) is a kind of non-chlorine atom, does not damage the ozone layer, and has good safety performance (non-flammable, non-explosive, non-toxic, non-irritating, non-corrosive) refrigerant, its cooling capacity and efficiency are very close to R-12 (dichlorodifluoromethane, freon), so it is regarded as an excellent long-term alternative refrigerant. R-134a is currently internationally recognized as the best environmentally friendly substitute for R-12. It does not destroy the ozone layer at all. It is an environmentally friendly refrigerant recognized and recommended by most countries in the world. It is also the current mainstream environmentally friendly refrigerant. It is widely used in the initial installation and maintenance of new refrigeration and air-conditioning equipment. [1] . R134a has very low toxicity and is non-flammable in the air. The safety category is A1, which is a very safe refrigerant.

    Physical Properties
    Molecular Formula  CH2FCF3
    Molecular Weight 102.03
    Boiling Point  -26.1
    Freezing Point  101.3KPa (° C) -96.60
    Density 30° C(kg/m3) 1188.1
    Critical Temperature (° C)  101.1
    Critical Pressure (MPa) 4.06
    ODP 0
    GWP  1300

    Main Application
     
    R-134a is the most widely used medium and low temperature environmental protection refrigerant. Due to the good comprehensive performance of R-134a, It is a very effective and safe alternative to R-12, which is mainly used in most fields where R12 refrigerant is used, including: refrigerators, freezers, water dispensers, automobile air conditioners, central air conditioners, dehumidifiers, cold storage, commercial refrigeration, It can also be used in refrigeration equipment such as ice water machine, ice cream machine, freezing and condensing unit, etc., and can also be used in aerosol propellants, medical aerosols, insecticide propellants, polymer (plastic) physical foaming agents, and magnesium alloy protection Gas etc. R-134a can be widely used as a refrigerant in automobile air conditioners, refrigerators, central air conditioners, commercial refrigeration and other industries, and can be used in medicine, pesticides, cosmetics, and cleaning industries.

    Quality Index
    Purity  ≥99.90% 
    Water content  ≤0.001% 
    Acidity ≤0.00001% 
    Evaporation residue  ≤0.01% 
    Chloride content N/M
    Appearance  Colorless and clear 
    Odor  Odorless 


  • Q R134a Refrigerant Temperature and Relative Pressure

    A
    R134a Refrigerant Temperature and Relative Pressure
    Temp. Pressure
    kpa
    Temp. Pressure
    kpa
    Temp. Pressure
    kpa
    -50 29.89 -9 208.76 31 792.43
    -49 31.65 -8 217.04 32 815.28
    -48 33.5 -7 225.57 33 838.63
    -47 35.43 -6 234.36 34 862.47
    -46 37.45 -5 243.41 35 886.82
    -45 39.56 -4 252.73 36 911.68
    -44 41.77 -3 262.33 37 937.07
    -43 44.08 -2 272.21 38 962.98
    -42 46.49 -1 282.37 39 989.42
    -41 49.01 0 292.82 40 1016.4
    -40 51.64 1 303.57 41 1043.9
    -39 54.38 2 314.62 42 1072
    -38 57.23 3 325.98 43 1100.7
    -37 60.21 4 337.65 44 1129.9
    -36 63.31 5 349.63 45 1159.7
    -35 66.54 6 361.95 46 1190.1
    -34 69.9 7 374.59 47 1221.1
    -33 73.4 8 387.56 48 1252.6
    -32 77.03 9 400.88 49 1284.8
    -31 80.81 10 414.55

    -30 84.73 11 428.57

    -29 88.81 12 442.94

    -28 93.04 13 457.68

    -27 97.43 14 472.8

    -26 101.99 15 488.29

    -25 106.71 16 504.16

    -24 111.6 17 520.42

    -23 116.67 18 537.08

    -22 121.92 19 554.14

    -21 127.36 20 571.6

    -20 132.99 21 589.48

    -19 138.81 22 607.78

    -18 144.83 23 626.5

    -17 151.05 24 645.66

    -16 157.48 25 665.26

    -15 164.13 26 685.3

    -14 170.99 27 705.8

    -13 178.08 28 726.75

    -12 185.4 29 748.17

    -11 192.95 30 770.06

    -10 200.73



    Temperature Unit: centigrade
    Remark: 1KPa≈0.01kg/cm2=0.001MPa,1kg/cm2 ≈98.0665KPa≈0.1MPa

  • Q Top 10 most frequently asked questions by wholesalers about refrigerant gas R134a

    A
    1. What are the current phase-down regulations and production quotas for R134a in my region?
    Answer:
    R134a has a high Global Warming Potential (GWP = 1430) and is controlled under the Kigali Amendment to the Montreal Protocol. In the EU, production and import quotas have been sharply reduced under the F-Gas Regulation, causing prices to rise. In the US, the EPA’s AIM Act has set a phasedown schedule, with R134a facing an 85% reduction in baseline consumption by 2036. Wholesalers must verify their local quota allocation (if required) and track yearly step-downs. Selling non-quota gas is illegal and subject to heavy fines.
     
    2. What is the price trend and availability forecast for R134a over the next 6–12 months?
    Answer:
    Prices for R134a have become volatile due to quota restrictions, rising raw material costs (anhydrous hydrogen fluoride), and energy prices. Availability is typically tightest in Q2–Q3 (peak cooling season). Wholesalers should expect moderate price increases of 5–15% annually in regulated markets, but shortages may cause spot price spikes. It is recommended to secure contracts with certified reclaimers or authorized distributors early, and to stock alternative lower-GWP gases.
     
    3. What are the best alternative refrigerants to R134a, and how do they compare in cost and performance?
    Answer:
    Common alternatives:
     
    Refrigerant GWP Cost vs R134a Best for Oil type
    R1234yf 4 Higher (~2–3x) New auto AC PAG (different grade)
    R513A 573 Slightly higher Chillers, retrofits POE
    R515B 299 Similar New equipment POE
    Performance: R1234yf is near drop-in for auto but less energy efficient; R513A is a direct retrofit for many stationary systems. Wholesalers should stock both R134a (for legacy systems) and R513A for customers needing compliance.
     
    4. Are there any restrictions on shipping, storing, or handling R134a?
    Answer:
    Yes. R134a is a non-flammable compressed gas (Class 2.2).
     
    Transport: Must follow DOT (US), ADR (EU), or IATA (air) regulations – proper labels, UN 3159, limited quantities.
     
    Storage: In a cool, dry, well-ventilated area; away from heat sources; cylinders upright and secured. No storage near oxidizers or open flames.
     
    Limits: Some warehouses have quantity limits (e.g., exempt quantities require fire code permits above certain kg thresholds).
     
    Handling: Use recovery machines and personal protective equipment (gloves, goggles). Never vent to atmosphere (illegal in most regions).
     
    5. How can I verify the quality and authenticity of R134a shipments?
    Answer:
    Use these steps:
     
    Request a Certificate of Analysis (CoA) showing compliance with AHRI Standard 700 or equivalent purity (>99.9% R134a).
     
    Check for physical signs: proper cylinder labeling, no dents/rust, intact valve cap.
     
    Avoid “no-brand” or unusually cheap gas – counterfeit often contains R40 (methyl chloride) or R22.
     
    Test with a refrigerant identifier before bulk resale.
     
    Buy only from EPA-certified (or local equivalent) producers or reclaimers.
     
    6. Can I legally sell R134a to unlicensed buyers, and what records must I keep?
    Answer:
    Generally no.
     
    US (EPA): Section 608 – sell only to EPA-certified technicians. Section 609 – for auto, sell only to certified purchasers.
     
    EU: F-Gas Regulation – only to companies holding a valid certificate for stationary equipment.
     
    Required records: Keep invoices with buyer’s name, certification number, date, and quantity. Many regions require retention for 3–5 years.
    Violations can result in fines of tens of thousands of dollars and loss of wholesale license.
     
    7. What is the difference between virgin, reclaimed, and recycled R134a, and which has the best margin?
    Answer:
     
    Type Purity Legal use Margin potential Liability risk
    Virgin 99.9%+ Any new system Low (price-capped by quota) Low
    Reclaimed ≥ AHRI-700 Same as virgin Medium-high (cheaper supply) Low (if certified)
    Recycled Site-specific only Same owner’s equipment Not for resale High (if sold)
    Best margin: Certified reclaimed R134a (cost ~40–60% of virgin) sold as “meets virgin specs” in jurisdictions allowing re-sale. However, wholesalers must verify the reclaimer’s certification and never sell “recycled” (non-AHRI) gas to third parties.
     
    8. What are the retrofit guidelines for replacing R134a with a lower-GWP gas in existing systems?
    Answer:
     
    Automotive (old cars): R1234yf is not a direct drop-in; requires different PAG oil, new desiccant, and sometimes hose changes. Some retrofits use R152a (flammable) or R513A.
     
    Stationary (chillers, fridges): R513A is a direct drop-in for most R134a systems designed with POE oil. Steps: recover R134a, replace filter-drier, charge with R513A (approx. 10% less mass).
     
    Warning: Do not mix R134a with HFO blends – flush system first.
    Wholesalers should provide retrofit guides and sell conversion kits.
     
    9. What is the shelf life and proper storage condition for R134a cylinders?
    Answer:
     
    Shelf life: 5–10 years if stored properly.
     
    Conditions:
     
    Temperature: Below 50°C (122°F) – never above 52°C.
     
    Cylinder position: Upright, valve cap on.
     
    Environment: No direct sun, away from corrosive chemicals.
     
    Degradation signs: Rust on cylinder, pressure loss (weigh regularly), valve leakage (soap test).
     
    Note: Over time, non-condensables (air) can enter if valve is damaged. Wholesalers should rotate stock FIFO and avoid buying cylinders older than 2 years from unknown sources.
     
    10. How does the profitability of R134a compare with newer HFO blends, considering taxes and disposal costs?
    Answer:
     
    Factor R134a HFO blends (e.g., R1234yf)
    Base cost per kg Moderate (but rising due to quota) High
    Eco-taxes/CO2 levy High (high GWP) None or low
    End-of-life disposal cost High – must recover and destroy (or reclaim with carbon credit) Lower – less destruction fee
    Customer demand High for legacy equipment Growing for new equipment
    Net margin per kg after fees Declining Increasing (especially if you offer take-back)
     
    Conclusion: R134a margins are shrinking due to compliance costs. Wholesalers should shift portfolio toward reclaimed R134a (lower purchase cost) and HFO/HFO blends (higher sale price, lower regulatory burden). Offering cylinder return/recovery services adds a revenue stream and differentiates your business.
  • Q FRIOFLOR: Your Trusted Strategic Partner for R134a Refrigerant Gas in China

    A
    To all esteemed wholesalers and importers of R134a refrigerant gas:
     
    In today's rapidly shifting global refrigerant market, supply chain stability and reliability have become the cornerstones of business success. As industry decision-makers, you need more than just quality products—you need a long-term strategic partner capable of weathering market cycles and mitigating risks. We are pleased to introduce FRIOFLOR, one of China's leading manufacturers of R134a refrigerant gas, and a brand committed to delivering lasting value to our global partners.
     
    Deep Industry Roots, Proven Strength
    FRIOFLOR is a core brand of Zhejiang Nuofu Chemical Co., Ltd. Since our founding in 2004, we have dedicated over two decades to the research, development, and production of refrigerant gases. Through our unwavering commitment to quality and outstanding market performance, FRIOFLOR has established itself as one of the top three refrigerant manufacturers in China, earning a prestigious reputation across the industry.
     
    Navigating Quota Challenges with Reliable Supply
    The global refrigerant industry is currently facing severe supply constraints. As the Chinese government enforces strict production quota management on HFC refrigerants, market availability has become increasingly tight. At this critical juncture, choosing a supplier with sufficient quota allocation and robust production capacity is more important than ever.
     
    Thanks to our historical export track record and production capabilities, FRIOFLOR has secured substantial government-authorized production quotas. This enables us to maintain a stable and continuous supply for you—even under the quota system—effectively shielding your business from supply disruptions caused by market volatility. We strongly recommend planning your purchases early in the first half of the year to secure your annual supply.
     
    Uncompromising Quality, Full Certification
    Our commitment to product excellence spans every stage of production. FRIOFLOR operates its own state-of-the-art R&D laboratory, ensuring rigorous quality control at every step. Our R134a gas consistently achieves purity levels between 99.91% and 99.97%. Furthermore, our products and packaging have obtained a comprehensive suite of internationally recognized certifications:
     
    REACH Certification: Full compliance with the EU's stringent standards for safety, health, and environmental protection.
     
    CE / DOT / KGS Certifications: Our cylinders have passed multiple international safety tests, guaranteeing secure transport and storage.
     
    Vertical Integration, Hassle-Free Service
    Unlike traditional manufacturers, FRIOFLOR operates a unique "Gas + Cylinder" vertically integrated business model. We not only produce high-purity refrigerant gases but also manufacture our own packaging cylinders in-house. This end-to-end control ensures reliable packaging quality and cost efficiency from the source. In addition, we operate two major production bases in Shandong and Zhejiang, China, supported by a multilingual sales team (English, Spanish, French, and Russian) ready to provide professional, responsive service tailored to your needs.
     
    In an environment of growing uncertainty, FRIOFLOR stands as your steadfast partner. We invite you to reach out and explore how we can work together to capture new opportunities in the evolving global refrigerant market.
     
    FRIOFLOR — Quality You Can Trust, Partnership for the Future.

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