R134A refrigerant used in mobile air conditioning, refrigerator, non-toxicity, odourlessness,non-flammability,chemica stability R134A refrigerant has the characters of non-toxicity, odourlessness ... , non-explosiveness and good heat and chemical stability, it can be used as refrigerant in mobile air conditioning, refrigerator...... AppearanceClear, ColorlessOdorEther (slight)Purity ...