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Help CenterHigh Stiffness Flame Retardant ABS HI121H by LG Chem for Injection Molding
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LG Chem HI121H is a high-stiffness flame-retardant ABS resin developed for injection molding applications. As a supply partner backed by Suzhou Yifuhui New Material Co., Ltd., we help plastics processors obtain this LG Chem grade with stable availability and responsive service. The resin combines rigidity, flame-retardant characteristics, and good melt flow, making it a practical choice for parts that need dependable strength and reduced flammability. Whether you are producing housings, structural covers, or industrial components, HI121H offers a solid foundation for consistent production.
Key Features and Benefits
This ABS grade is designed to meet the everyday demands of injection molders who need repeatable quality and reliable end-use performance. The following characteristics are especially important:
High Stiffness: The resin provides good dimensional stability and more rigid parts, helping thin-wall designs keep their shape under mechanical load.
Flame Retardant Character: HI121H has flame-retardant properties that support fire-safety objectives in finished products. This makes it suitable for applications where reduced flammability is a design consideration.
Injection Molding Efficiency: Good melt flow allows molders to fill complex cavity geometry with less difficulty, potentially improving cycle times and productivity.
Balanced Mechanical Performance: As a high-stiffness ABS, it provides useful impact resistance while maintaining a firmer feel than many standard ABS grades.
Surface Finish: The grade is designed to produce a clean surface appearance, which benefits cosmetic housings and enclosures.
Batch-to-Batch Consistency: Produced under LG Chem's quality system, each shipment is intended to provide similar processing behavior and final-part properties.
Custom Color Options: Natural pellets are the standard option, while custom colors can be arranged upon request for larger volume programs.
Supply Stability: Suzhou Yifuhui's sourcing network helps ensure steady availability and competitive commercial terms.
Product Specifications
| Parameter | Value |
| Material | ABS (Acrylonitrile Butadiene Styrene) |
| Brand | LG Chem |
| Grade | HI121H |
| Form | Pellets / granules |
| Processing Method | Injection molding |
| Key Properties | High stiffness, flame retardant |
| Color | Natural; custom colors available upon request |
| Packaging | 25 kg bags or customized packaging |
| Shipping Ports | Shanghai, Ningbo, Qingdao |
| Documentation | Technical data sheet and COA available upon request |
Injection Molding Guidance
To achieve good results with HI121H, processors should work from the latest technical datasheet. The following conditions are general starting points and may need adjustment for specific mold design, part geometry, and machine configuration.
| Process Parameter | Typical Guidance |
| Drying Temperature | 80°C for 2–4 hours recommended |
| Melt Temperature | 200–240°C typical range |
| Mold Temperature | 40–80°C optimize for finish and dimensions |
| Injection Pressure | Medium to high, optimize during trials |
| Back Pressure | Low to moderate to reduce material stress |
| Mold Venting | Adequate venting is advised for filling stability |
Because exact settings depend on your equipment and tooling, we recommend requesting the latest technical documentation and running process trials before full production.
Typical Applications
The combination of stiffness and flame-retardant behavior makes HI121H a versatile choice for interior and structural parts. Common uses include:
Electrical equipment housings and enclosures
Industrial control boxes and covers
Automotive interior components requiring dimensional stability
Office appliance parts and consumer electronics frames
Small and medium-sized structural brackets
Protective casings for transformers and power supply units
Because application requirements vary, it is important to evaluate the finished part under real operating conditions. Our team can help you determine whether HI121H is suitable for your project and connect you with relevant technical support.
Supply Assurance from Suzhou Yifuhui
Suzhou Yifuhui New Material Co., Ltd. has been active in the polymer trading sector since 2020, with annual export value between US$10 million and US$50 million. We ship from Shanghai, Ningbo, and Qingdao to markets across 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. This broad logistics network allows us to serve customers with flexible delivery schedules and responsive shipping support.
As a trading company specializing in engineering plastics, we understand that material consistency and traceability matter. We work with trusted upstream sources and arrange for the necessary documentation, including product datasheets and certificates of analysis, so that your procurement process runs smoothly. For any specific regulatory or compliance requirement, please contact us with your target application and destination country; we will confirm what can be supported.
Frequently Asked Questions
Q: Is LG Chem HI121H specifically designed for injection molding?
A: Yes, HI121H is positioned for injection molding applications. Its flow and stiffness characteristics are intended to support stable cavity filling and good dimensional control. We recommend reviewing the latest processing guide before production.
Q: What does flame retardant mean for this ABS grade?
A: HI121H has flame-retardant characteristics that help reduce fire risk in finished parts. Flame-retardant classifications often depend on part thickness, test method, and final application, so confirm the relevant standard for your market with our team.
Q: Is HI121H suitable for colored housings?
A: The resin is supplied in natural color as standard. Custom colors are possible and usually require a minimum order quantity. Contact us with your color target to discuss feasibility.
Q: Do you provide technical documentation?
A: Yes, technical data sheets and certificates of analysis are available upon request. If you need specific compliance documents, please share your destination country and intended use so we can confirm what can be supported.
Q: Can Suzhou Yifuhui support trial orders?
A: Trial and small-volume orders are often accepted. Minimum quantities depend on packaging and current inventory, so it is best to check with our sales team for timing and availability.
Q: What are the usual shipping options?
A: We regularly ship from Shanghai, Ningbo, and Qingdao. Both sea freight and air freight can be arranged, and the best route will depend on your location, order size, and required delivery time.
Q: How can I ensure the material quality before placing a large order?
A: You can request a sample, a technical datasheet, and batch-specific documentation. Because this is an LG Chem-produced resin, traceability to the original manufacturing lot is maintained through the supply chain.
Q: How can I contact Suzhou Yifuhui?
A: You can send an inquiry through our B2B platform listing. Include your target quantity, destination port, and any special requirements, and we will respond with a tailored offer.
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