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Home > Case > DOP Plasticizer Helps Middle Eastern PVC Artificial Leather Manufacturer Improve Calendering Stability and Cost Control

DOP Plasticizer Optimizes Processing Stability and Cost Efficiency for PVC Synthetic leather

Henan GO Biotech Co., Ltd. provided DOP plasticizer application support to a PVC artificial leather manufacturer in the Middle East. Addressing calendering fluctuations, softness retention, and cost-control requirements in the production of luggage leather, fabric leather, and standard synthetic leather, the company assisted the customer in developing a flexible PVC formulation that could be more readily introduced into mass production.

Project Background and Challenges

The customer has long produced fabric leather, luggage leather, and general-purpose synthetic leather, with PVC calendering as its core production process. As order volumes expanded, the customer sought to improve the stability of continuous calendering while maintaining the required soft feel and surface condition of finished products, without significantly increasing formulation costs.

1 Maintain the softness, flex resistance, and tactile feel required for luggage leather and fabric leather.
2 Improve material flow and plasticization uniformity to reduce fluctuations during calendering.
3 Mitigate surface hardening and uneven surface conditions while maintaining the cost structure of general-purpose synthetic leather.
Middle East PVC Synthetic leather

Solution: Formulation optimization using DOP as the primary plasticizer component

Based on the customer's product types and the application requirements of standard flexible PVC, Henan GO Biotech Co., Ltd. recommended DOP (dioctyl phthalate) as the primary plasticizer. DOP offers good compatibility with PVC systems and provides effective plasticization and flow support for calendering, helping the customer achieve a more balanced choice between performance requirements and formulation costs.

Application Analysis
Define the overall requirements of luggage leather, fabric leather, and standard synthetic leather for softness, surface condition, and continuous calendering performance.
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Product Recommendations
Select DOP as the primary plasticizer component, leveraging its compatibility and plasticizing efficiency in general-purpose flexible PVC systems.
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Recipe Optimization
Formulated to support melt flow, uniform plasticization, and finished-product feel.
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Performance validation
Sample testing is used to evaluate calendering continuity, surface condition, and softness performance.

Project Outcomes and Phase Value

Following sample testing and production-line implementation, the customer achieved more stable material flow and calendered sheet performance in selected PVC artificial leather formulations. The finished products met the application targets for soft feel and basic flex performance, while surface hardening issues were alleviated to a certain extent. The DOP solution helped the customer more clearly balance processing efficiency, product performance, and formulation costs in standard synthetic leather applications, establishing a foundation for stable subsequent mass production and supply coordination.

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