HMEL PP Polysure Y35GR
Polysure Y35GR is a controlled-rheology polypropylene homopolymer manufactured by HMEL using advanced Novolen technology. With a melt flow index of 35 g/10min, Y35GR is engineered for nonwoven spunbond fabrics, fine denier multifilament yarns, and industrial textiles. It delivers superior gas fading resistance, inherent UV protection, and narrow molecular weight distribution for consistent spinning and high-speed production. Fully IS 10910 and FDA 21 CFR 177.1520 compliant, Y35GR is trusted by medical, hygiene, and nonwoven converters for demanding applications.
Key Technical Insights:
- MFI 35 g/10min
- Tensile Yield 33 MPa
- Elongation at Yield 11%
- Flexural Modulus 1150 MPa
- Izod Notched 30 J/m
- Vicat 153°C
- HDT 90°C
Processing Guidelines: Barrel 195–235°C, Die 235–240°C, Quench Air 15–18°C. Stable melt flow and controlled rheology ensure uniform fiber diameter and minimal breakages in high-speed spunbond lines.
Applications: Nonwoven Spunbond Fabrics & Multifilament Yarn
Y35GR is purpose-built for nonwoven spunbond production, excelling in face masks (N95/surgical), medical aprons, suit covers, and diaper topsheets. Its controlled rheology enables fine denier multifilament yarns for technical textiles, geotextiles, and industrial applications. The grade’s superior gas fading resistance protects fiber color and strength against NOx, O3, and automotive emissions, making it ideal for outdoor and industrial nonwovens. High-speed spunbond lines benefit from Y35GR’s smooth melt, low die pressure, and consistent output above 2000 m/min.
Y35GR Performance Advantages
Polysure Y35GR stands out for its controlled-rheology design, narrow molecular weight distribution, and inherent UV stabilization. Compared to standard reactor PP grades, Y35GR offers superior gas fading resistance, enabling color-stable nonwovens for demanding hygiene and medical applications. The grade’s higher MFI (35 vs 25) supports finer denier production and faster line speeds, while maintaining excellent mechanical balance for nonwoven durability. Its positive list additives and regulatory compliance ensure suitability for food contact, medical devices, and pharma packaging.
Comparable Nonwoven Grades in India
Alternatives include Y35GR1 (Spheripol reactor, broader MWD), Y25GR (lower MFI for thicker denier), E35RR (extrusion coating focus), IOCL 1350YG (reactor, less gas fading resistance), OPAL RH38 (import alternative), and Reliance HY035R (reactor grade). Y35GR’s Novolen controlled-rheology process and gas fading resistance provide a unique advantage for converters targeting medical-grade nonwovens and color-stable spunbond fabrics.
Please note: Y35GR has been superseded by Y35GR1 – superior alternative with improved performance metrics and cost efficiency. Explore full specifications, applications, and advantages to see how it delivers better value for your manufacturing needs.
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