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Hanwha TotalEnergies BI997 PP

Get the TDS for BI997 impact copolymer PP. High MFI (100), rigid/tough balance, low-temp impact resistance for automotive bumpers & instrument panels. FDA compliant, in-stock, bonded trade support.

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Hanwha TotalEnergies BI997 PP – Product Page

Hanwha TotalEnergies BI997 PP – High-Flow Impact Copolymer for Automotive Structural Parts

Injection molding large automotive structural parts like bumpers and instrument panel retainers presents a persistent engineering dilemma: achieving the high melt fluidity required to fill thin-wall, complex flow paths often comes at the direct expense of impact toughness. When the production floor struggles with flow marks, sink marks, or brittle fractures at ejection pins, it is usually a sign that the material's shear sensitivity and rubber phase distribution are out of balance.

Over the past decade, while supporting Tier 1 suppliers across the Pearl River Delta and Southeast Asia, we have observed that process stability is often compromised by generic copolymers that cannot maintain their impact properties at high injection speeds. Hanwha TotalEnergies BI997 PP is specifically engineered to resolve this trade-off. It is a high-flow impact copolymer that delivers an MFI of 100 g/10min without sacrificing the rigidity required for load-bearing automotive structures. This grade enables faster cycle times, lower clamp tonnage requirements, and consistent low-temperature ductility—making it a reliable workhorse for demanding exterior and interior applications.

2. Product Specifications & Technical Data

The following values are sourced from the manufacturer's public Technical Data Sheet and are verified under ASTM standards. We reference these specific metrics during initial mold flow analysis and structural FEA simulations for our customers.

Physical Properties	Test Method (ASTM)	Value	Unit
Specific Gravity	D1505	0.91	g/cm³
Melt Flow Index (MFI)	D1238	100	g/10min
Rockwell Hardness (R-Scale)	D785	95	–

Mechanical Properties	Test Method (ASTM)	Value	Unit
Tensile Strength	D638	315 (approx. 30.9 MPa)	kg/cm²
Elongation at Break	D638	50	%
Flexural Modulus	D790	17000 (approx. 1.67 GPa)	kg/cm²
Izod Impact Strength (23°C)	D256	4.5	kg-cm/cm
Izod Impact Strength (0°C)	D256	3.0	kg-cm/cm
Izod Impact Strength (-30°C)	D256	2.0	kg-cm/cm

Thermal Properties	Test Method (ASTM)	Value	Unit
Heat Deflection Temperature (1.82 MPa)	D648	125	°C

Note: These are typical property values for reference only and should not be used for design limit calculations. Actual molded part performance depends on processing conditions (melt temperature, mold temperature, and injection speed).

3. Key Properties & Processing Advantages

Based on our field trial data and continuous production monitoring, this grade stands out for four distinct performance characteristics that translate directly into shop-floor value.

Exceptional Melt Fluidity (MFI 100)
An MFI of 100 significantly reduces pressure drop across long flow paths. In our experience with large fascia molds, this allows processors to run parts on lower-tonnage clamping units—sometimes saving 15-20% in machine hour costs. It also enables faster cavity filling, which shortens the cooling phase and boosts overall cycle efficiency without inducing flash.
Balanced Stiffness-Toughness Profile
High flow usually means a lower molecular weight, which often compromises impact. However, BI997 achieves a flexural modulus of 17,000 kg/cm² while maintaining 4.5 kg-cm/cm at room temperature and 2.0 kg-cm/cm at -30°C. This balance is critical for bumper beams that must withstand low-speed collisions without fracturing, yet remain rigid enough to support headlamps and grilles.
Flow Mark & Splay Reduction
The shear-thinning behavior of this material is remarkably well-tuned. We have observed that BI997 impact copolymer PP produces excellent surface aesthetics even on textured skins. One of our customers, a molder supplying door trims for a Japanese OEM, reported that switching to this grade reduced their tiger-stripe reject rate from over 8% to less than 0.5%, effectively eliminating secondary sanding and painting operations.
FDA Compliance for Broad Applicability
While BI997 is primarily positioned for automotive applications, the base resin complies with FDA regulations (21 CFR 177.1520). This translates to lower VOC emissions and improved odor ratings—a crucial factor for automotive interior cabin air quality standards. It also gives compounders the flexibility to pivot this inventory toward food-contact industrial containers or medical packaging trays when production schedules shift.

4. Applications & Field Case Studies

Automotive Bumper Fascias
This is the flagship application for BI997. We worked with a molder who was struggling with brittle clip breakage during final assembly for a European SUV project. Their previous PP grade lacked sufficient flow to pack out the end-of-fill clips properly, leading to voids and weak weld lines. After transitioning to Hanwha TotalEnergies BI997, the cavity pressure at the end of fill increased sufficiently, eliminating sink marks and ensuring clip integrity. Additionally, the mold imbalance was reduced to under 5%, which streamlined their validation process significantly.

Instrument Panel Retainers & Door Trims
For large IP retainers that integrate ductwork and electronic mounting brackets, dimensional stability is paramount. We have observed that the post-mold shrinkage of this grade is highly consistent across different melt temperatures. A manufacturer producing door map pockets for an American pickup truck reported that this grade eliminated the thin-wall short-shot issues they experienced with lower-MFI materials, allowing them to reduce nominal wall thickness from 3.0mm to 2.5mm without compromising stiffness.

Large Industrial Parts & Composite Substrates
Beyond automotive, this grade is increasingly used for large outdoor storage bins and heavy-duty pallets. The high flow allows rapid filling of large-surface, thin-ribbed designs. We also supplied this material to a compounder producing LFT (Long Fiber Thermoplastic) for structural components; they reported a 15% increase in interfacial strength compared to standard PP homopolymer, which they attributed to the optimized molecular weight distribution of BI997.

5. Technical Comparison

To contextualize the performance of Hanwha TotalEnergies BI997, we often compare it against a standard, industry-average impact copolymer (typical MFI 20-40) during technical consultations:

Performance Metric	Standard Impact Copolymer PP (Industry Avg.)	Hanwha TotalEnergies BI997
Melt Flow Index (MFI)	20 – 40 g/10min	100 g/10min (Superior Flow)
Flexural Modulus	14000 – 15000 kg/cm²	17000 kg/cm² (Higher Stiffness)
Izod Impact (23°C)	3.0 – 3.5 kg-cm/cm	4.5 kg-cm/cm (Higher Toughness)
Impact Retention at -30°C	Often brittle	Ductile behavior retained

In our actual production monitoring, this translates to a 30-40% reduction in injection pressure requirements compared to standard grades with equivalent part weight. This allows older press equipment to run these parts reliably, extending capital equipment lifespan for our clients.

6. Supply Chain & Logistics Support

As an authorized distribution channel partner for Hanwha TotalEnergies, Qingdao Prime Union Trade Co., Ltd. maintains a robust stocking strategy for this specific grade. Our supply chain architecture is built around flexibility and reliability.

Warehouse Network: We operate four owned and co-located warehouses across Qingdao, Shanghai, Guangzhou, and Chongqing. This ensures that BI997 PP is readily available for just-in-time delivery to major manufacturing hubs in East, South, North, and Southwest China.
Trade Compliance Options: We support General Trade (with VAT invoices), Processing Trade (manual roll-over), and Bonded Warehouse transactions (USD settlement). This flexibility allows procurement teams to optimize their landed cost and tax structures depending on their specific operational models.
In-House Compounding & Color Services: Our sister entity, Qingdao Primetech Plastics Co., Ltd., provides value-added modification based on the BI997 resin. Capabilities include UV stabilization, heat-aging resistance, glass-fiber reinforcement (PP+GF), and standard color matching. For standard color requirements and basic modifications, our typical sample lead time is 3 days, while production lead time is approximately 7 days, depending on the specific formulation complexity.

We strongly recommend that engineering procurement teams request the batch-specific Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS), both of which are provided with each shipment.

7. Frequently Asked Questions

Q: Can I get a material sample for tool trial validation?
A: Samples are available on a fee-based model. However, we fully credit the sample cost toward your first full commercial order. This ensures you can conduct thorough mold trials without risking any capital loss.

Q: What is the typical lead time and Minimum Order Quantity (MOQ)?
A: For bonded warehouse stock, we can accommodate orders starting from 1 metric ton for established customers. For new customer trials, flexible quantities (down to standard 25kg bags or pallets) can be arranged based on current inventory availability. Our typical warehousing lead time for standard orders is prompt, with specifics provided upon inquiry.

Q: Do you support processing trade (manual) imports to avoid customs duties?
A: Absolutely. We have extensive experience with processing trade operations. We can handle transfer under your electronic manual or direct customs clearance, providing all necessary documentation including PIs, PLs, and Certificates of Origin.

Q: Are the COA and MSDS available for this specific batch?
A: Yes. We always provide the manufacturer's original COA and MSDS with every shipment. If you require specific batch traceability or inspection reports prior to shipment, we can arrange those at your request.

Q: Can you support bonded warehouse shipments for export-oriented projects?
A: Yes, our bonded warehouse facilities in Qingdao and Shanghai support USD-denominated transactions, which is a preferred solution for customers who do not hold domestic VAT entities or who wish to defer duty payments until goods are cleared.

8. Conclusion

For injection molding projects that demand the ideal convergence of rapid cycle efficiency, automotive-grade impact safety, and structural precision, Hanwha TotalEnergies BI997 PP delivers a proven, data-backed "high-flow, high-stiffness, high-toughness" equilibrium.