Home > FAQ > Why Is TOTM Considered a Representative Plasticizer for High-Heat PVC?

Why Is TOTM Considered a Representative Plasticizer for High-Heat PVC?

Henan GO Biotech Co., Ltd.
2026-07-22
Frequently Asked Questions about Products
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.

TOTM for High-Heat PVC Applications

TOTM is a trimellitate ester plasticizer and is regarded as a representative plasticizer for high-heat PVC because of its high molecular weight and low volatility. These properties help it maintain stable performance under elevated temperatures.

Compared with common phthalate plasticizers, TOTM provides better resistance to heat aging, extraction, and migration. It also supports long-term electrical performance, making it suitable for flexible PVC applications that require durable performance in demanding temperature conditions.

Typical Applications

  • 105°C and higher-rated cable compounds
  • Automotive wiring harnesses
  • High-temperature flexible PVC products

Henan GO Biotech Co., Ltd. supplies TOTM plasticizer solutions for industrial applications requiring high-temperature stability, resistance to aging, extraction, and migration, as well as reliable long-term electrical performance.

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