China Suppliers Factory WPS 1251 White Masterbatch for Injection Molding with High Quality Titanium Dioxide
Method of addition
The WPS 1251 White Masterbatch is formulated with the primary goal of ensuring effortless dilution and uniform mixing. This makes it ideal for direct addition through automatic dosing units or for pre-blending. The design of this masterbatch emphasizes convenience and consistency, allowing for seamless integration into various production processes. Its versatility and ease of use make it a practical choice for a wide range of applications, providing manufacturers with a reliable solution for achieving consistent color and quality in their products.
Typical Addition Rate: The amount of WPS 1251 added depends on the performance requirements of the final application. Typical addition rates vary from 1% to 4% masterbatch.
Furthermore, this masterbatch is engineered to exhibit excellent thermal stability and processing characteristics, ensuring smooth and efficient injection molding operations. Its high pigment concentration and dispersion properties contribute to reduced cycle times and improved productivity, ultimately leading to cost savings and enhanced manufacturing efficiency.
In addition to its exceptional color performance and processing benefits, the MINGZHOU® WPS 1251 White Masterbatch is formulated to meet stringent quality and regulatory standards, providing manufacturers with peace of mind regarding product safety and compliance.
Overall, the MINGZHOU® WPS 1251 White Masterbatch for Injection is a reliable and high-performance solution for achieving vibrant white color in injection-molded products. Its superior dispersion, compatibility, and processing advantages make it an ideal choice for manufacturers seeking to elevate the visual appeal and quality of their injection-molded goods.
Properties
| Property | Value | Test Method |
|---|---|---|
| Carrier | PS | - |
| Concentration | 50±2% TiO₂, 10±2% CaCO₃ | - |
| Compatibility | HIPS, ABS, etc. | - |
| Melting Point | 180℃ (Recommended processing TEMP 200-230℃) | - |
| Heat Resistance | 280℃ | - |
| Migration | 5 | - |
| Light Fastness | 8 | - |
| FDA | Yes | - |
| ROHS | Yes | - |
| REACH | Yes | - |
| Bulk Density 23 ℃ | 950 - 1150 kg/m³ | GB/T 1033.1 - 2008 |
| Moisture Content | ≤ 500 ppm | - |
| MFI 200℃, 5KG | 35 - 55 g/10min | ASTM D1238 |
* Tests are performed according to Chinese standard and based on international standards.
* Quoted test results should not be used for specification purposes but are typical test values intended for guidance only.
* Quoted test results should not be used for specification purposes but are typical test values intended for guidance only.
Packing
Packaging & Form
WPS 1251 is supplied in regular pellet form packed in 25kg bags and it should be stored in a dry place.
Storage Life
Recommended storage life: up to 1 year provided it is stored as directed.
Frequently Asked Questions (FAQ)
Q: What is the recommended addition rate for WPS 1251 White Masterbatch?
The typical addition rate ranges from 1% to 4% masterbatch, depending on the performance and color requirements of the final injection-molded application.
Q: Which polymers are compatible with WPS 1251?
WPS 1251 uses PS (Polystyrene) as its carrier and is highly compatible with HIPS, ABS, and other compatible polymer resins.
Q: What are the regulatory compliances met by WPS 1251?
Yes, MINGZHOU® WPS 1251 White Masterbatch meets international quality and safety standards, including FDA, ROHS, and REACH compliance.
Q: What is the recommended processing temperature for this masterbatch?
While the melting point of the masterbatch is 180℃, the recommended processing temperature for injection molding operations is between 200℃ and 230℃. It features heat resistance up to 280℃.
Q: How should WPS 1251 be packaged and stored?
WPS 1251 is supplied in regular pellet form in 25kg bags. It must be stored in a dry place, and has a recommended shelf life of up to 1 year when stored as directed.


