Alan Harper Composites

Global leaders in reusable vacuum membrane technology
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We are global leaders in reusable vacuum membrane technology – a world class closed moulding process that offers huge production cost savings and efficiencies over traditional composite moulding methods. Converting and supporting wet lay, resin infusion, LRTM and pre-preg part manufacturers with lower costs and protecting the environment with cleaner systems and greatly reduced waste.


The New AHC Test Tool Membrane

Available now and ready to test resin flow speeds in laminate thicknesses from 0.5 to 12mm and capture
temperature data with a 2 position thermal probe

click here for more information in our technical pages

New Product Available – Adjustable “hands free” resin injection funnel stand

A New Year and the reusables are queuing to get into production!


Our Products

Manufacturing the Tools for the Technology

We provide the full range of reusable bag manufacturing machines and proprietary ancillaries.
What is fiRST®

Find out what fiRST can do for you

fiRST is the most recent closed mould technology providing a clean and cost effective composite production process.
Our Services

Services to compliment the technology

Alan Harper Composites Ltd supports the fiRST technology with a range of services.
Free VPI™ Guide

Saving you time, and money

Are you looking for composite moulding? we’d love to send you a free copy of our new guide to show you more…

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Please feel free to contact us to discuss your next project +44 (0) 1752 841 222 Alan: +44 (0) 7768 335 600 4 Gwel Avon Business Park, Gilston Road, Saltash, Cornwall, PL12 6TW


8 months ago
Photos from Alan Harper Composites Ltd.'s post

Australian Composite moulder takes on the latest cost-saving process.

Marky Industries PTY Ltd, Brisbane are well versed in closed mould composite manufacture. However, Managing Director Martin ... See more

10 months ago

Delayed at CDG airport after great composites show this week . Many new clients wanting to buy into reusable vacuum membranes which is our core business. Hope to be back into Cornwall home by dinner ... See more


Totally support all Andre is doing in South America Territoriesterritories. Alan

A non-sacrificial thermocouple for infusion or prepreg use under reusable vacuum membrane.

The temperature probe based on Type K thermocouple is high-temperature silicone sealed inside a PTFE carrier. The...

So Happy to receive recognition from Germany AVK Composites association. Have been awarding the Composites Europe AVK Innovation award 2018 along with Seatex and our Client SMT. The composite part is the...

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We now have very good representation and distribution of our technology in Australia. Marky Industries Pty Ltd, a forward thinking company with an excellent modern facility in Crestmead, which is conveniently located close to the M1 highway in Queensland’s...