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R600a Isobutane
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GUIDE FOR THE USE OF HCs REFRIGERANTS R600a AND R290
www.embraco.comHCs R600A AND R290 GENERAL INFORMATION AND CHARACTERISTICS ACCORDING TO EN378 R600A R290 Chemical Name Isobutane (2-methylpropane) Propane Molecular Formula C4H10 C3H8 Safety Class (1) A3 A3 PED fluid group 1 1 Practical Limit [kg/m 3] (2) 0.0089 0.008 ATEL/ODL [kg/m 3] 0.0024 0.09 LFL [kg/m 3] 0.038 0.038 Vapour density 25°C, 101.3 kPa …
R32 Common Questions - AIRAH
www.airah.org.auR600a (Isobutane), R32 has the highest (safest) Acute Toxicity Exposure Limit (ATEL) of 220,000 ppm. R32 has the highest ATEL of the 99 refrigerants designated in Table 5 of ISO 817. WHAT ABOUT PRODUCTS OF DECOMPOSITION? As is the case with all fluorinated refrigerants, R32 will decompose and produce toxic byproducts such as