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About Caplugs Australia

Caplugs is a worldwide leader in plastic moulding with over 70 years of experience serving a wide range of industries and customers across the globe. In 2018, Caplugs acquired Weldalloy and A.S.A Plastics. Both companies are leaders in their fields, specialising in the manufacture of Pig’s Tail Protective Wrap and HDPE pipe extrusion.  After this acquisition, we are now Caplugs Australia! The Caplugs Australia facility offers a team of local sales, engineering and manufacturing experts, with the familiar skills and support you’d expect. Now, our customers have access to all Caplugs product lines, including our tried and true Weldalloy products!

Getting to Know Caplugs

Caplugs is the leader in custom moulded components, masking solutions and product protection. With 10 manufacturing facilities and a large team of in-field sales managers across the globe, we provide the personalized service, range of capabilities, wide variety of catalogue parts, manufacturing expertise and scalable infrastructure to be your trusted partner. Caplugs has more engineers on staff, processes for creative solutions and moulding experts for reliable quality. Plus, facilities and resources to get the job done quickly and economically.

Caplugs is a versatile custom moulder that takes our customers from concept to full production and logistics support. We lead the industry in experience and expertise.

    • Over 450 000 000 parts in stock.
    • 15 000 000+ parts produced per day.
    • Over 40 000+ standard parts.
    • Over 300 moulding machines.
    • Over 15 design engineers.
    • 10 global manufacturing facilities.
    • The 1 partner you need.
About Us - Caplugs Australia

Vision Statement

Caplugs is the first choice and trusted partner for product protection and component solutions across the globe. Driven by our commitment to provide unmatched service and innovative products that perform.


Mission Statement

We take pride in being the leader. The Caplugs team combines the best quality and service with the widest offering of product and capabilities to solve all of our customers’ product protection and component needs.

Company Info

9 General Macarthur Place, Redbank, Queensland 4301, Australia

+61 7 3277 2300


Caplugs Australia, formerly Weldalloy.

Quality Certification

Caplugs’ operations in Australia is ISO 9001 certified.

Certification: ISO 9001