Polyester color masterbatch procurement: These steps will help you clarify your thinking. 

Polyester color masterbatches are widely used in polyester filament, staple fiber, non-woven fabric and other fields, directly affecting the coloring effect of the fibers and the stability of the spinning process. Facing different colors and functions of masterbatches, how can you quickly find the product that suits your production process? Below, following the procurement process, we will guide you through several practical steps. 

Step 1: Determine the compatibility between the process and the substrate 

The spinning temperature of polyester fibers is relatively high (usually ranging from 280℃ to 300℃), and the heat resistance requirements for color masterbatches are higher than those for polypropylene. Before purchasing, make sure to confirm the following information to facilitate communication: 

Process type: Is it polyester FDY, POY, staple fiber or non-woven fabric? High-speed spinning requires higher requirements for the heat resistance and dispersion fineness of the masterbatch. The masterbatch used for spunbond non-woven fabric needs to undergo more rigorous filtration tests to reduce the risk of clogging the mesh. 

Carrier matching: Ensure that the carrier resin of the masterbatch is compatible with your polyester substrate. Using a suitable carrier in the masterbatch helps reduce filament breakage during spinning and slows down the increase in filtration pressure. 

Final application: When used for outdoor products (such as sunshade nets, tents), attention should be paid to lightfastness and anti-aging properties; when used for clothing fabrics, additional requirements for color migration and resistance to sublimation are necessary. 

Step 2: Confirm the color and functional requirements 

Color accuracy and batch stability are the core aspects of color masterbatches. The following measures can help reduce subsequent problems: 

Provide standard samples: Preferably provide physical color charts or Pantone numbers. The supplier will match the colors based on these and send back the small samples for confirmation. Light color series (such as beige, light gray) have higher requirements for color difference control between batches of master pigments. 

Clarify functional requirements: If anti-static, flame retardant, anti-aging and other functions are needed, they can all be specified at the same time. Functional masterbatches can impart additional properties to the fibers while coloring, reducing the hassle of on-site blending. 

Inform about the addition ratio: The amount of masterbatch required varies for different color systems (dark colors usually require a higher amount than light colors). The supplier should provide the recommended addition quantity and the expected impact on the spinning process (such as filtration pressure, component replacement cycle). 

Sample testing suggestion: Before the batch production, it is recommended to request samples produced recently and conduct a small-scale test on your production line. This is a reliable way to verify the dispersion effect, color accuracy, and spinning stability. 

Summary and Selection Suggestions 

When purchasing Polyester color masterbatch, it is recommended to communicate in the following order: 

First, regarding the process and substrate: Let the supplier know your spinning temperature, speed, and filtration accuracy, so as to facilitate matching the temperature resistance level and carrier. 

Please also provide the color samples and functional requirements, and clearly indicate whether additional functions such as anti-aging or flame retardancy are needed. 

Final on-site trial: After confirming that the sample performs as expected at your site, then proceed to place the order. 

Longkou Huacai Plastic Industry Co., Ltd. specializes in the production of polypropylene color masterbatches, nylon color masterbatches, Polyester color masterbatches, non-woven fabric color masterbatches, plastic color masterbatches, functional masterbatches, etc. We can provide on-site color matching according to customer requirements. Please feel free to send samples for testing. 

Website: www.lkhcsy.com 

Contact Information:

Service Hotline: 13705451607 

Email: lkhc668@sohu.com 

Address: East Heping, High-tech Zone, Longkou City, Shandong Province