PVC wire and cable compounds must balance flexibility, electrical insulation, temperature resistance, migration control, environmental requirements and formulation cost. A plasticizer is not simply a softening ingredient: it is a functional part of the PVC compound that can influence extrusion behavior, low-temperature bend performance, heat aging, volatility and long-term insulation stability.
Henan GO Biotech Co., Ltd. applies a service-condition-based selection approach for cable manufacturers. The framework matches primary and auxiliary plasticizers to the intended cable grade, operating environment and target formulation performance, then supports validation within the customer’s complete compound system.
Unplasticized PVC has relatively high hardness and limited flexibility. In cable insulation and sheath compounds, plasticizers lower the glass transition temperature and improve flexibility, melt processing and forming behavior. At the same time, the selected plasticizer system affects properties that are important throughout cable production and service life.
Conventional DOP based formulations remain widely used in some applications, but may not align with the migration, low-volatility, heat-resistance or environmental expectations of export-oriented, high-temperature or specialized cable compounds. A differentiated plasticizer system helps formulators make these trade-offs more deliberately.
| Plasticizer | Primary Selection Value | Typical PVC Cable Applications |
|---|---|---|
| DINP | Balanced processing, migration resistance and electrical performance | General building wire, standard PVC insulation and general-purpose sheath compounds |
| DPHP | Low volatility, heat resistance, aging resistance and insulation performance | 90°C cable compounds, outdoor wiring and industrial cable applications |
| DOTP | Non-phthalate option with good electrical insulation and migration resistance | Environmental PVC cable, export cable and higher-performance insulation layers |
| TOTM | High heat resistance, low volatility, low migration and heat-aging stability | 105°C cable insulation, automotive wire harnesses and equipment wiring |
| DEHCH | Non-phthalate profile, weathering performance, low volatility and stable insulation characteristics | High-end environmental cable, outdoor flexible cable and weather-resistant cable |
| DOA | Low-temperature flexibility and resistance to embrittlement | Cold-resistant and flexible cable compounds, generally blended with a primary plasticizer |
| ESBO | Auxiliary plasticization and thermal-stability support | PVC insulation and sheath formulations requiring improved long-term compound stability |
| EFAME | Non-phthalate auxiliary plasticizer with thermal-stability contribution and formulation economy | Cost-sensitive environmental PVC cable compounds |
| ATBC | Low-toxicity environmental option with favorable migration and water-resistance characteristics | Special-purpose cable components for toy, food-equipment or safety-focused applications, subject to applicable testing |
Recommended direction: DINP as the primary plasticizer. DINP is suitable for general PVC insulation and sheath applications where balanced processing behavior, electrical performance, migration resistance and cost control are required. It can be considered where a formulation seeks to reduce reliance on conventional DOP systems.
Recommended direction: DPHP as the primary plasticizer. DPHP is appropriate for cable compounds requiring stronger heat-aging performance, lower volatility and improved long-term stability in elevated-temperature or outdoor service conditions.
Recommended direction: DOTP or DEHCH. These non-phthalate plasticizers can be evaluated for projects with environmental material requirements. DOTP is commonly selected for electrical insulation and migration resistance, while DEHCH may be considered where weathering performance, low volatility and environmental positioning are also priorities.
Recommended direction: TOTM as the high-heat primary plasticizer. TOTM is suited to PVC insulation systems intended for high-temperature applications, including automotive wire harnesses and industrial equipment cable, where low volatility, extraction resistance and heat-aging stability are important.
Recommended direction: DOA blended with DINP, DOTP or DPHP. DOA offers useful low-temperature flexibility and can help reduce the risk of PVC hardening or brittle cracking in cold service. Because its heat resistance is comparatively limited when used alone, a blended system is generally the preferred formulation route.
Recommended direction: ESBO or EFAME as auxiliary components. ESBO can contribute auxiliary plasticization and thermal-stability support in PVC cable compounds. EFAME provides a non-phthalate auxiliary option for applications seeking a practical balance between baseline environmental positioning, processing performance and formulation cost.
Plasticizer performance is affected by the complete PVC compound rather than by one ingredient alone. PVC resin grade, stabilizer system, filler loading, flame-retardant package, processing temperature and final cable standard can all influence the result.
Before production-scale use, the selected formulation should be evaluated for relevant properties such as plasticization behavior, volume resistivity, heat aging, low-temperature bending or impact performance, volatility loss, migration, exudation and applicable electrical insulation requirements.
As an integrated developer, manufacturer and supplier of plasticizers, Henan GO Biotech Co., Ltd. provides DINP, DPHP, DOTP, TOTM, DEHCH, DOA, ESBO, EFAME and ATBC for PVC wire and cable applications. This product range supports common, heat-resistant, low-temperature, non-phthalate and auxiliary-plasticizer formulation directions.
The company’s technical and quality teams can support product selection discussions based on cable service conditions and target-market needs. For environmental products, relevant quality and compliance documentation can be evaluated according to the specific product and destination-market requirements; some environmental plasticizer products have completed EU REACH registration and SGS-related testing.
Selection principle: Start with the cable’s actual service condition, establish the primary plasticizer system, use auxiliary plasticizers only where they add a defined formulation benefit, and confirm performance through compound-specific testing.
