Plastic Granules
Topilene® R701 Random Copolymer PP
Hyosung Topilene® R701 is a high-clarity polypropylene random copolymer for injection molding. It delivers 20% haze at 2mm, MFR 20 g/10min, and fast cycles. Phthalate-free and non-peroxide cracked. FDA 21 CFR 177.1520 and EU 10/2011 compliant. Ideal for clear food containers, housewares, and disposable syringes.
Typical property data
Physical Properties
- Density: 0.90 g/cm³ (ASTM D792)
- Melt Index (230 ℃ / 2.16 kg): 20 g/10 min (ASTM D1238)
- Polymer Type: Polypropylene Random Copolymer
- Additive Profile: Phthalate-free; non-peroxide cracking
Mechanical Properties
- Tensile Strength at Yield: 320 kg/cm² (≈ 31.4 MPa) (ASTM D638)
- Flexural Modulus: 12,000 kg/cm² (≈ 1,177 MPa) (ASTM D790)
- Izod Impact Strength, Notched @ 23 ℃: 6.5 kg·cm/cm (ASTM D256)
- Rockwell Hardness: 90 R-Scale (ASTM D785)
Thermal Properties
- Heat Deflection Temperature (0.45 MPa): 90 ℃ (ASTM D648)
- VICAT Softening Temperature (10 N): 125 ℃ (ASTM D1525)
Optical Properties
- Haze (2 mm): 20 % (ASTM D1003)
Injection Molding Processing
- Nozzle Temperature: 210 ~ 230 ℃
- Front Zone Temperature: 210 ~ 230 ℃
- Middle Zone Temperature: 210 ~ 230 ℃
- Rear Zone Temperature: 190 ~ 210 ℃
- Mold Temperature: 20 ~ 50 ℃
- Back Pressure: 0.3 ~ 0.7 MPa
- Screw Speed: 40 ~ 70 rpm
- Pre-Drying (if condensation occurs): 80 ~ 100 ℃ for 2 ~ 4 h, air-circulated
- Storage: Dry conditions, below 40 ℃, protected from UV light
Use & Applications
- Transparent food containers
- Housewares and stationaries
- Disposable syringes
- Transparent injection-molded consumer goods