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Help CenterYUPLENE BX3800 Impact Copolymer PP for Automotive Parts and Electric Appliance Injection Molding
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Rich impact resistance, excellent processability and a reliable supply chain are essential in the injection molding industry. YUPLENE BX3800, developed as a high-performance impact copolymer polypropylene, answers these needs for automotive parts and electric appliance production. As a global material supplier based in Suzhou Jiangsu, Suzhou Yifuhui New Material Co., Ltd. offers this grade to molders who require consistent melt flow, stable mechanical performance, and a wide processing window. Whether you are producing interior automotive components or durable housings for household appliances, this impact PP grade is designed to help you achieve efficient production and high-quality end products.
Impact copolymer PP is produced by incorporating a rubber phase into a polypropylene homopolymer matrix. This makes YUPLENE BX3800 quite different from ordinary PP: it offers improved toughness, especially at low temperatures, while retaining good stiffness and heat resistance. The balance between rigidity and impact strength makes it suitable for complex geometries, snaps, hinges, and parts exposed to mechanical stress. In addition, its flow characteristics make it convenient to process by injection molding, enabling molders to fill long flow paths and thin-wall sections with reduced risk of short shots.
Key features of YUPLENE BX3800 are summarized below to help you quickly evaluate whether this grade matches your production requirements.
- Excellent impact strength – The elastomer-modified structure delivers reliable performance in drop tests, assembly handling, and end-use mechanical loading, including good low-temperature impact behavior for parts used in cold environments.
- Good melt flow – With a typical MFR range designed for injection molding, this grade flows smoothly into thin walls and complex mold cavities, reducing cycle time while keeping part density consistent.
- Balanced rigidity and toughness – The material maintains adequate stiffness for structural support while avoiding brittleness under repeated handling or vibration, which is critical for clamping systems and snap-fit designs.
- Dimensional stability – Low internal stress and uniform shrinkage help machined or molded parts hold their tolerance, especially for large flat components such as backing plates, covers, and inner liners.
- Surface quality – The resin yields a smooth, void-free surface that can be painted, plated, or left with a texture finish. Molders can obtain consistent cosmetic appearance with fewer rejects.
- Easily processed and colored – Whether using standard PP masterbatch or tailored compound, BX3800 accepts a wide range of pigments and additives without significant loss of impact performance.
- Good heat resistance – It tolerates typical operating temperatures encountered in automotive interiors and household electrical enclosures, contributing to long-term reliability of the finished article.
Typical technical parameters for YUPLENE BX3800 are listed in the table below. These are representative values for material evaluation; actual measured properties may vary depending on processing conditions and part geometry.
| Property | Typical Value Range |
| Density | 0.90 – 0.92 g/cm³ |
| Melt Flow Rate (230°C, 2.16 kg) | 8 – 15 g/10 min |
| Izod Impact Strength (23°C) | 40 – 60 kJ/m² |
| Izod Impact Strength (−20°C) | 4 – 8 kJ/m² |
| Tensile Yield Strength | 20 – 30 MPa |
| Flexural Modulus | 900 – 1500 MPa |
| Heat Deflection Temperature (0.45 MPa) | 85 – 105 °C |
| Processing Method | Injection Molding |
YUPLENE BX3800 is widely used in transportation, home appliances, and general-purpose industrial parts. The following list shows common applications based on its impact resistance and flow characteristics:
- Automotive components – interior door panels, glove box shells, pillar trim, seat side covers, fan shrouds, heater housings, battery trays, mudguards, and bumper brackets that require a durable yet cost-effective thermoplastic material.
- Electric appliance parts – washing machine drums, detergent boxes, inner tub lids, air conditioner panels, refrigerator inner liners, vacuum cleaner bodies, floor care ducts, electric fan housings, and small kitchen appliance bases.
- Industrial & lawn/garden equipment – tool housings, storage bins, ventilation grilles, pump housings, and protective covers that benefit from high impact and easy processing.
From an injection molding standpoint, BX3800 has been designed as a forgiving material. Its stable melt flow allows faster injection speeds without causing flash if the mold is well vented. Molders can adopt a relatively low melt temperature (around 200–230 °C) and a standard mold temperature (20–60 °C), which helps save energy and reduce cycle times. The grade also shows good compatibility with regrind, so runners and rejected parts can be recycled in-house while maintaining acceptable mechanical properties. For those who need a specific color, the base material can be compounded with color concentrates. It is recommended to dry the resin only when condensation is visible, but in most cases it does not require forced drying. These features ease operation for both experienced and newly established injection molding workshops.
Suzhou Yifuhui New Material Co., Ltd. has been actively supplying polypropylene materials to overseas markets since 2020, with an annual export value ranging from US$10 million to US$50 million. Our main markets cover North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic Chinese market. Shipping is conveniently arranged from Shanghai, Ningbo, or Qingdao, offering flexible logistics for both LCL and FCL orders. Before every dispatch, we verify product packaging and documentation to help ensure a smooth customs clearance and delivery. This operational reliability is especially important for customers who run continuous injection molding lines and cannot afford unnecessary stoppages.
If you are looking for a dependable impact copolymer PP for automotive parts or electric appliance molding, YUPLENE BX3800 is a candidate worth serious evaluation. We provide technical guidance to help you optimize injection molding parameters and select the right grade for your end-use requirements. Sample requests, quotations, and further documentation are also available upon request. Contact Suzhou Yifuhui New Material Co., Ltd. today to reserve a trial production run or ask for a detailed comparative study against the material you currently use. Your reliable supply chain for high-impact PP starts here.
FAQ – Frequently Asked Questions
Q1: What is the difference between impact copolymer PP and homopolymer PP?
Impact copolymer PP contains a small amount of rubber phase (usually ethylene-propylene rubber) to improve toughness. It offers significantly higher impact strength, especially at low temperatures, while sacrificing a small amount of stiffness and transparency. Homopolymer PP has higher stiffness and clarity but is more brittle. Therefore, BX3800 is chosen when impact resistance is more important than transparency.
Q2: Can YUPLENE BX3800 be used for exterior automotive parts?
It is suitable for many non-exposing exterior or semi-exterior parts such as bumper brackets, wheel arch liners, and underbody components. For painted bumpers or parts requiring high UV resistance, additional UV stabilization and impact testing would be required. Please contact us for application-specific recommendations.
Q3: Is this grade available in black or as custom colors?
The base material is natural. We can supply it with standard black masterbatch or a custom color compound depending on your volume. Color matching services are possible – just provide Pantone or RAL reference, or a physical sample.
Q4: What packaging and MOQ are offered?
Typical packing is 25 kg PP woven bags, with 20 ft or 40 ft container loading options. The minimum order quantity is negotiable and can be adjusted for regular orders. For first-time trial, smaller sample packs are available to evaluate the resin under your molding conditions.
Q5: Does BX3800 require special drying before injection molding?
In general, impact PP does not need drying unless the pellets have been exposed to rain or condensation. It is good practice to keep the material sealed and store it in a dry warehouse. If the pellet surface is contaminated or wet, drying at 80 °C for 1–2 hours will help stabilize the process.
Q6: Can the material be mixed with regrind or recycled runners?
Yes, many molders add up to 20% or higher clean regrind for non-critical parts without significant loss of mechanical properties. However, the regrind should be consistent, uncontaminated, and kept free from color contamination. Process trials are recommended to ensure the final parts still meet your testing requirements.
Q7: What is the typical injection molding temperature range?
A melt temperature between 200 °C and 230 °C is usually sufficient. Because this is a random or impact copolymer PP, higher temperature may be needed for high-flow tools or very thin sections. We recommend starting at 210 °C and making adjustments based on part fill and cosmetic results.
Q8: Does the material comply with any food-contact regulations?
This product is primarily designed for automotive and appliance applications. Food-contact compliance is not the main scope, and specific paperwork would need to be verified separately. If your application requires food-grade PP, please inform us and we can check whether another grade is more suitable.
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