Reliance PPCP Repol B400MN
Reliance Repol B400MN is a high-flow, nucleated polypropylene impact copolymer (PPCP) engineered by Reliance Industries Ltd using Unipol PP gas-phase technology. With a melt flow rate of 38 g/10 min, B400MN combines excellent processability, medium impact strength, and dimensional stability, making it ideal for injection moulding of appliance parts, automotive components, grilled/thin-wall products, and compounding. The nucleating agent accelerates crystallisation, shortens cycle times, and enhances both stiffness and part gloss. B400MN is supplied as natural granules in 25 kg bags, and is fully compliant with IS 10910 for food, pharma, and drinking water contact, as well as FDA CFR 21 177.1520.
Functional Features
Repol B400MN stands out for its reactor-grade consistency, fast crystallization, and balanced mechanical properties. Its nucleated structure supports low warpage, reliable dimensional accuracy, and high-gloss surfaces. The grade’s medium impact and stiffness profile enable versatile use across appliances, automotive, and industrial sectors.
Detailed Technical Specifications (Typical Values)
- Melt Flow Rate: 38 g/10 min (ASTM D1238, 230°C/2.16 kg)
- Density:90 g/cc (ASTM D792)
- Tensile Strength at Yield: 26 MPa (ASTM D638)
- Elongation at Yield: 7% (ASTM D638)
- Flexural Modulus: 1150 MPa (ASTM D790A)
- Notched Izod Impact (23°C): 70 J/m (ASTM D256)
- Heat Deflection Temp (455 kPa): 105°C (ASTM D648)
- Hardness: Shore D 68 (ASTM D2240)
Processing Guidelines:
Melt temperature: 200–250°C; mould: 15–40°C. Consistent, easy processing with good surface gloss.
Applications and Industry Use Cases
Appliances
B400MN is widely used for appliance parts such as washer internals, AC grills, and fan covers. Its high flow and nucleated stability enable precise, defect-free moulding of thin-walled and grilled components, while its gloss and dimensional stability support premium surface finishes.
Automotive
Automotive compounders and OEMs use B400MN for interior and exterior components, compounds, and non-structural parts requiring a balance of stiffness and impact. The grade’s processability supports complex designs and high-volume manufacturing.
Grilled/Thin-Wall Products
The high flow and nucleation of B400MN make it ideal for fan guards, vents, and thin-walled housings, where rapid mould filling and low warpage are critical for assembly and performance.
Compounding
B400MN is an excellent base resin for masterbatch and mineral-filled PPCP compounds, supporting efficient dispersion and batch consistency.
Performance Advantages
Compared to non-nucleated or lower-MFI PPCP grades, Repol B400MN delivers faster cycle times, enhanced dimensional control, and superior gloss in thin-wall and grilled applications. Its reactor-grade nucleation technology minimizes warpage and shrinkage, making it a preferred choice for high-output, precision moulding environments. B400MN is competitive with HMEL CM40NR (40 MFI), IOCL Propel 3650MN (65 MFI), and Haldia Halene M365 for thin-wall, appliance, and compounding applications.
Compliance, Packaging, and Storage
Food Contact Compliance:
Certified to IS 10910, IS 16738:2018, and FDA CFR 21 177.1520 (not for SUP-prohibited items).
Packaging:
Natural granules in 25 kg bags.
Storage Guidelines:
Store dry, below 50°C, away from direct sunlight and moisture to maintain material quality.
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FAQs
Frequently Asked Questions
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