R22, HCFC-22 30LBS ISO TANKS Manufacture: Top Quality & Good Price SGS CE REACH Certificates Quick & Safe Delivery OEM Product Descriptionproduct ... .2 Critical Pressure, Mpa 4.99 Specific Heat of Liquid, 30°C, [KJ/(kg•°C)] 0.31 ODP 0.034 GWP ... Road, 16F Tai Jia Yuan Palaza, Hangzhou, Zhejiang Province, China. 30 LB refrigerants R22