Longyixing Chemicals
Description:
EP548R is a polypropylene impact copolymer with optimized balance of stiffness and impact properties, good flow properties and good impact resistance.EP548R complies with the following relevant regulations for direct food contact GB 4806.6-2016, GB9685-2016 FDA 21 CFR177.1520(a)(3)(i) and (c)3.1a
EP548R can be molded using standard injection molding machines.
The following processing parameters are for reference only:
Melt temperature: 200 - 250°C
Mold temperature: 15 - 40°C
Shrinkage rate 1-2%, Depends on thickness and molding parameters.
FFS bag: 25kg.
The product should be stored in a dry environment below 50°C and avoid ultraviolet radiation. Improper storage can cause degradation, resulting in peculiar smell, and negatively affect the physical properties of the product.
| Resin performance | Test Conditions | Typical value | Testing method |
|---|---|---|---|
| Density | — | 0.90 g/cm³ | GB/T 1033.2-2010 |
| Melt Flow Rate | 230°C /2.16kg | 30 g/10min | GB/T 3682.1-2018 |
| xural modulus | 2mm/min | 1250 MPa | GB/T 9341-2008 |
| Tensile stress at yield | 50mm/min | 24 MPa | GB/T 1040.2-2006 |
| Tensile strain at yield | 50mm/min | 5 % | GB/T 1040.2-2006 |
| 23°C, notched | Type A, Notch | 10 KJ/m² | GB/T 1043.1-2008 |
| -20°C, notched | depth 2mm | 6 KJ/m² | GB/T 1043.1-2008 |
| HDT | 0.45MPa | 90 °C | GB/T 1634.2-2004 |
| Vicat Point | A50 | 148 °C | GB/T 1633-2000 |
| Rockwell hardness | — | 85 R-sacle | GB/T 3398.2-2008 |
Longyixing Chemicals Co., Ltd
Longyixing Chemicals Co.,Ltd, with 10+ years of experience in TPU R&D and manufacturing, we proudly serve clients across 30+ countries. Our 20,000+ sqm advanced production facility houses 7 fully automated production lines, delivering an annual capacity of 50,000+ tons to meet your TPU needs efficiently and reliably.
