01 What Is the Fundamental Difference Between DOTP and DOP? DOTP belongs to the terephthalate ester family and does not contain a phthalate structure, so it is generally considered an environmentally friendly plasticizer. DOP belongs to the phthalate ester family and is subject to stricter restrictions in some sensitive applications. Read More
02 Does DOTP Decompose During High-Temperature Processing? No. DOTP has good thermal stability, and its decomposition temperature is much higher than normal processing temperatures. During normal processing, it mainly undergoes physical volatilization rather than chemical decomposition. Read More
03 How to Safely Store and Transport DOTP? DOTP should be stored in a cool, dry, and well-ventilated area away from direct sunlight and high temperatures, with containers sealed to prevent moisture. During transportation, prevent leakage and impact, keep away from ignition sources, absorb small spills with sand or soil, and contain and properly dispose of large spills. Read More
04 What Is the Main Advantage of DOA? The core advantage of DOA is its strong cold resistance, helping PVC products remain soft, flexible, and resistant to hardening or cracking at low temperatures while improving hand feel and flexibility for cold-environment applications. Read More
05 Why Is DOA Often Used with DOTP? DOA is often combined with DOTP because DOA provides excellent low-temperature flexibility, while DOTP offers stronger stability and migration resistance. Together, they improve cold resistance, softness, and long-term performance, making the blend suitable for PVC formulations requiring both low-temperature flexibility and balanced overall performance. Read More
06 What Applications Is DOA Suitable For? DOA is mainly used in flexible PVC formulations requiring low-temperature flexibility, including frozen packaging films, cold-resistant cables, hoses, artificial leather, automotive interiors, and winter outdoor flexible materials. It effectively reduces the risk of low-temperature embrittlement while improving cold resistance and processing stability. Read More
07 Why Is DOA Particularly Suitable for Low-Temperature PVC Products? DOA has a flexible molecular structure and maintains effective plasticizing performance at low temperatures, reducing the risk of PVC hardening and cracking in cold environments. Read More
08 Why Is TOTM Considered a Representative Plasticizer for High-Heat PVC? TOTM is a trimellitate ester plasticizer with high molecular weight and low volatility, enabling stable performance at elevated temperatures. Compared with common phthalate plasticizers, it offers better heat-aging resistance, extraction resistance, migration resistance, and long-term electrical performance. It is commonly used in 105°C and higher-rated cable compounds, automotive wiring harnesses, and high-temperature flexible PVC products. Read More
09 What Is the Biggest Advantage of TOTM Compared with DOTP and DINP? TOTM’s core advantage is long-term stability rather than plasticizing efficiency. Compared with DOTP and DINP, it offers better high-temperature performance, low volatility, low migration, and resistance to oil extraction, making it especially suitable for long-service applications such as cables and automotive wiring harnesses. Read More
10 What Does ESBO Mainly Do in PVC? ESBO mainly functions as a secondary plasticizer and auxiliary heat stabilizer in PVC. It enhances thermal stability, aging resistance, and processing stability while improving product flexibility. ESBO is commonly blended with DOTP, DOP, or DOA to optimize formulation performance. Read More
11 Why Is ESBO Often Used with Primary Plasticizers? ESBO is mainly used as a secondary plasticizer and heat stabilizer because its independent plasticizing capability is limited. When blended with DOTP, DINP, DOA, or other primary plasticizers, ESBO can improve thermal stability, reduce migration, and enhance aging resistance. Read More
12 Why Is ESBO Widely Used in Eco-Friendly PVC Formulations? ESBO is made from vegetable oil, offers low odor and good environmental performance, and is not a phthalate plasticizer. It is therefore widely used in eco-friendly flexible PVC, food packaging, and children's products where safety and regulatory compliance are essential. Read More
