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Injection molding

Producing injection molded parts from buckets and toys to tight-tolerance components requires more than precision. It demands a plastic resin engineered for consistency, shorter lead times and repeatable final part performance. At Shell Polymers, we help converters qualify materials faster and optimize output through our advanced injection molding machines, which measure pressure at key points in the mold, generating data that shows how our product performs before it hits your line. This helps reduce trial-and-error, supports smarter mold design and de-risks full-scale production runs—all while helping you meet performance targets across a wide variety of end-use applications.

Expert insights on injection molding & market trends

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Injection molding troubleshooting: Four common challenges and how to address them

Find out how to solve four common defects that occur during the injection molding production process.

Learn about defects

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How to enhance your plastic injection molding operation in 3 steps

Learn how your choice of lubricant can impact production, equipment availability, and downtime.

Get maintenance tips

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Future of injection molding: Using simulation to capture maximum value

Learn how to unlock bottom-line value such as reduced costs, fewer iterations and faster time to market through simulation.

Read about technology

Product summary

View HDPE product details

Product Melt index
Density
Product details
Shell Polymers HDPE 48N5 5.0 0.948 View technical properties
Shell Polymers HDPE 52N7 6.5 0.952 View technical properties
Shell Polymers HDPE 52N10 10.0 0.952 View technical properties
Shell Polymers HDPE 54N20 20.0 0.954 View technical properties
Shell Polymers HDPE 65N8 8.2 0.965 View technical properties

View safety data sheets

Document title  Document 
Shell Polymers HDPE  View document (PDF, 318 kB)
Shell Polymers LLDPE  View Document (PDF, 318 kB)
Shell Polymers Polyethylene Wide Spec or Offspec  View Document (PDF, 259 kB)

Product 101 

Understanding how we name our grade slates is key to choosing the right melt index and plastic resin density you need. Explore our naming convention below to know exactly what to look for when reviewing product detail for your next injection molded part or production run.

Graphic displaying “18F1B1.” “F” is highlighted.

Density is reflected by the first two numbers found in the product name, which is 18 in this instance. These numbers represent the last two significant digits of the density value. See examples below.

18 = 0.918 density
53 = 0.953 density

63 = 0.963 density

Our injection molding expertise

Francisco Alvarez, Senior Technical Service Engineer

Francisco is a Chemical Engineer at Shell Polymers with 25+ years in the polymers industry. Skilled in plastics processing and resin design, he has worked globally to improve processes and product quality.

“As part of the technical service team, my focus and motivation is on supporting customers. Whether their challenge is related to running a resin or improving their processes, I leverage my 20+ years of experience in the polymer industry – and, where appropriate, the capabilities of our world-class innovation center and the expertise of my colleagues – to help them.”

Meet Francisco

Matt Feldbauer, Technical Service Engineer

Matt has a strong background in polymers characterization and testing along with previous experience in research and development and the patent literature space. He is passionate about helping customers troubleshoot material and machine problems.

“As a technical service engineer, helping customers solve their problems is my top priority. While technical expertise is important, building a (Real)ationship with customers is also essential in understanding their needs and delivering personalized solutions. I enjoy taking the time to listen to their needs and drivers so that I can put myself in their shoes, as I believe that's often the key to a strong and collaborative relationship.”

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Markets powered by HDPE

Shell Polymers has HDPE resin in a variety of melt indexes and densities engineered to meet the needs of plastic converters in diverse conversion processes. As a leading HDPE resin supplier, our materials support a wide range of end-use applications across these listed markets.

Agriculture

HDPE is used to create containers that can safely store agricultural products.

Industrial

Industrial containers and drums made from HDPE resin are more cost-effective and lightweight than many alternatives.

Automotive

Plastic is replacing metal for a growing number of car parts to support sustainability and electric vehicle efforts.

Personal care

Cosmetic containers made from HDPE are more durable, making the trip down the assembly line to the consumer’s cabinet a smooth one.

Food packaging

HDPE resin enables economical and convenient packaging like bottles that are impact-resistant with high recycling capability.

Toys

The combination of durability and light weight makes HDPE resin ideal for products handled by young but energetic toddlers and kids.

Household

Durable and leak-resistant containers for household chemicals can be made with HDPE resin.