China WPS 1252 White Masterbatch Suppliers - High Performance Extrusion Products from Reliable Factory
Method of Addition
Provides outstanding whiteness and brightness, ideal for packaging films, construction materials, and consumer goods.
Offers high heat resistance and thermal stability for smooth, efficient extrusion operations under demanding conditions.
Formulated to minimize impact on the mechanical and physical properties of the base polymer, preserving integrity.
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 | 20 - 40 g/10min | ASTM D1238 |
Packing
- WPS 1252 is supplied in regular pellet form packed in 25kg bags and it should be stored in a dry place.
- Recommended storage life: up to 1 year provided it is stored as directed.
Frequently Asked Questions
The typical addition rates for WPS 1252 vary from 1% to 4% masterbatch, depending on the specific performance requirements of the final application.
WPS 1252 uses a Polystyrene (PS) carrier and is highly compatible with HIPS, ABS, and other similar polymer formulations.
This white masterbatch is fully compliant with regulatory standards including FDA, RoHS, and REACH, ensuring safety for various consumer and packaging applications.
WPS 1252 has a melting point of 180℃ and a heat resistance limit of 280℃. The recommended processing temperature range is 200℃ to 230℃.
It is supplied in 25kg bags and must be stored in a dry place. When stored properly under recommended conditions, its shelf life is up to 1 year.


