We provide rapid plastic injection moulding tools and plastic injection moulding parts in various industries. For a quick turnaround we can make an aluminium mould which cuts the lead-time and cost, but does no compromise quality. Additionally, we can use a “Master Unit Die”. Using this method, quality moulds can be produced with a very short lead-time at a very competitive price. Rapid injection tooling is often used as a “bridge” between plastic prototypes and production injection moulded parts. We pride ourselves on our excellent communication and customer focused mentality.

Rapid Injection moulding means that we can make a simple injection mould at lower cost, shorter lead time compared againt the mass production moulds without sacrifice product quality. The rapid injection mould is commonly used to fill in the gap between the rapid prototype and mass production parts, this is a proved better way to produce customized plastic products at low volume, or to further evalute product design and process capability of a new product before mass production.

Injection Moulding

Design For Manufacturing

Design For Manufacturing (DFM) is an essential part of the product development cycle. This process is always best carried out at the design/prototype stage, in order to keep overall product manufacturing cost to a minimum. We will do this as a matter of course for all rapid injection tooling inquiries.

There is no substitute for experience, and our experience has taught us to make moulds in a metal on condition for critical areas. Once the DFM is complete and mould layout is agreed, including position and type of gate, ejector pins position and parting line position are agreed, we make a mould and aim for holes to be small and walls to be thin, so that we can finely adjust the sizes to create parts of the correct geometry quickly. This way, we can get first off samples to you, and on your desk in a matter of days, often as quickly as 7-10 days if time is critical.

Surface Texture

Textures on a plastic product give a part the appearance of sandblasting, wood, leather or others effect designed by customer. If you require your parts to be textured, please just send us the specification, like Mold-Tech texture standards. We can apply textures of all kinds normally used in plastic injection moulding. For the rapid tooling, If you do not have specific requirement of your product appearance, we can apply direct sandblasting with different media size on the mould, this is a quick and cost effective way for rapid injection moulds.

Plastic Material Selection

We can produce parts in most kinds of injection mould-able plastics including a wide selection of engineering plastics for high performance components and also all general plastic materials. We can also provide 2 shot parts and over moulded parts according to your needs. In addition to plastic parts, we also provide compression and injection moulded rubber parts in a wide rage of materials including: EPDM, FKM, NBR, PU, Q, to name a few!

Rapid injection moulding process or moulded plastic products are widely applied in many industries, including most of commerical products, like home appliance industry, office accessories industry, electrical tools, auto industries and electronic devices.

Material Name Density Shrink Rate%
ABS (Acrylonitrile Butadiene Styrene) 1.05 – 1.18 0.50- 0.70
PP (Polypropylene) 0.90 – 0.92 1.00 – 2.50
PC (Polycarbonate) 1.18 – 1.22 0.50 – 0.80
PA/Nylon (Polyamide) 1.05 – 1.15 0.80 – 2.20
PVC (Polyvinyl Chloride) 1.10 – 1.70 0.30 – 1.30
POM (Polyoxymethylene) 1.40 – 1.42 0.20 – 0.25
PMMA (Polymethyl methacrylate) 1.17 – 1.20 0.20 – 0.60
HDPE (High Density Polyethylene) 0.94 – 0.97 1.50 – 3.00

Trusted Engineering and Product Development in Castlemaine, Victoria, Australia

At COLETEK, we're proud to be based in Castlemaine, Victoria, Australia – a vibrant regional hub with a strong entrepreneurial spirit. Our team has been serving businesses across Castlemaine, Victoria, Australia, and throughout Australia for over two decades. As a multidisciplinary engineering and product development company established in 2001, we've built a reputation for reliability, collaboration, and capability. Our experience spans multiple industries and sectors, from healthcare to manufacturing, defense, and beyond. We take pride in our ability to understand complex problems and develop innovative solutions that drive real results. Whether you're an existing business looking to improve processes or a startup seeking to disrupt the status quo, we're here to help. Our Castlemaine-based team is dedicated to working closely with local organizations, just as we do with clients nationwide. What sets us apart is our unique blend of technical expertise, creative thinking, and practical problem-solving skills. We don't just deliver solutions – we help businesses in Castlemaine, Victoria, Australia, and beyond adapt, innovate, and thrive in a rapidly changing world. Our local presence allows us to be deeply engaged with the community, understanding the challenges and opportunities that come with operating in our beloved region. When you partner with COLETEK, you can expect a highly collaborative approach, where we work closely with your team to understand your unique needs and goals. Our expertise spans engineering design, product development, testing, and manufacturing support – and we're committed to delivering projects on time, within budget, and exceeding expectations. If you're looking for trusted partners to help drive growth, improve efficiency, or create new opportunities in Castlemaine, Victoria, Australia, look no further than COLETEK. We'd be delighted to discuss your project and explore how our expertise can benefit your organization.

Let’s build something remarkable together.

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Injection Moulding Services for Castlemaine – Our Clients: Big Brands & Small Businesses


Injection Moulding Services for Castlemaine – Amazing Customer Testimonials

COLETEK proved to be the perfect choice to help us kick our project off. Their analysis of the problem we presented with them with, and their suggestions for the most efficient and effective way to achieve a solution prevented us wasting time and money heading down the wrong path. I'd recommend COLETEK without any reservations.

COLETEK proved to be the perfect choice to help us kick our project off. Their analysis of the problem we presented with them with, and their suggestions for the most efficient and effective way to achieve a solution prevented us wasting time and money heading down the wrong path. I'd recommend COLETEK without any reservations.