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The Digital Thread

Your blog feed for manufacturing resources, in-depth features, and industry news.

Past 'UL' posts

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A pile of white Nylon Resin pellets
Materials Science
25/11/2025

The Advantages and Disadvantages of Glass-Filled Nylon

Making nylon parts stronger isn’t difficult. All it takes is the addition of glass to your base material. Explore the pros and cons of glass-filled nylon.
By Protolabs
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injection molding living hinge diagram
Tech Tips
03/10/2025

MJF vs. SLS: A Comparison of Polyamide 3D Printing Technologies

A look at the key differences between Multi Jet Fusion and selective laser sintering and how to determine the optimal process for your application.
By Protolabs
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Injection Moulding
injection moulding
03/10/2025

Common Applications of Injection Moulding

See where injection moulding shines across industries, with examples, design tips, and scaling strategies.
By Protolabs
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Flame-Retardant Thermoplastics and UL Classifications
Materials
25/08/2025

UL 94 Classification and Flame-Retardant Materials

An overview of materials with flame-retardant characteristics and the UL 94 classification.
By Protolabs
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Orange part

Traceability in Manufacturing and Why it Matters

Explore how digital manufacturing techniques aid in process traceability for injection moulding.
By Protolabs
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ABS material
Material Science
07/11/2024

In and Out - ABS Injection Moulding

This blogs deep dives into ABS injection moulding. Easy to work with, with a quality surface finish and relatively low purchase cost are just some of the reasons ABS is so popular for mass production. Continue reading to find out more.
By Protolabs
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MJF part
Tech Tips
05/09/2024

Designing a part for Multi Jet Fusion

Designing for Multi Jet Fusion differs from other 3D printing processes. In this blog we explore considerations and pitfalls when designing a part for MJF.
By Protolabs
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injection moulding machines

How to select the best manufacturing process for your Part

Torn between 3D printing, CNC machining and Injection Moulding as a manufacturing process for your product? Learn how to pick the right process at Protolabs
By Protolabs
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Clear ABS resin pellets
Materials Science
13/06/2024

ABS vs. PC: Comparing Two Common Thermoplastics

Choosing to use ABS, polycarbonate (PC), or combining them is a popular way to get strong machined, printed, or moulded parts. There are a lot of similarities, but also some significant differences that might help you find just the right one for your parts.
By Protolabs
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HDPE resin pellets closeup
Materials Science
06/06/2024

Translucent and Clear Plastic Injection-Moulded Parts

Choosing the best translucent material for your moulded parts isn’t always crystal clear. There are quite a few things to think about before making your final choice of materials and design.
By Protolabs
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Injection Moulding Recycled Materials
Material Science
21/05/2024

The Rise of Recycled Materials:

Could recycled injection moulding materials work for your part? This blog compares recycled materials to their traditional counterparts.
By Protolabs
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Black and green injection moulded parts
Materials Science
09/05/2024

ABS vs. Polypropylene (PP): Deciding Between Two Popular Plastics

ABS and polypropylene (PP) are strong contenders for many projects, but what are the differences?
By Protolabs
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