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Mould Release Oils

Mould release oils are applied to mould surfaces to allow a finished part to separate cleanly during demoulding, helping to protect surface finish and reduce production downtime caused by sticking or damage. Gem Oils supplies mould release oils suited to a range of moulding processes and materials.
60+

Years in Business

1M +

Litres of Stock

ISO

9001:2015 Certified

32

Counties Served

About the range

Mould release oils are applied to mould surfaces to allow a finished part to separate cleanly during demoulding, helping to protect surface finish and reduce production downtime caused by sticking or damage. Gem Oils supplies mould release oils suited to a range of moulding processes and materials.

The correct mould release product depends on the moulding process involved, the material being moulded and the required part finish. Consistent, correctly dosed application supports repeatable production quality and helps protect tooling over time.

Formulated for the job

Allows a finished part to separate cleanly from the mould surface.

Meets industry standards

Formulated to suit the moulding process and material involved.

Built for your equipment

Built for plastic, rubber and composite moulding operations.

Technical support

Our technical team will confirm the right product for your process before you order.

Industries

Brands

GemLeaze DC dry cast concrete release oil drum

GemLeaze DC

Gem HighTran Fluid UTTO tractor transmission oil, 20 litre container

GemLeaze GP Bio

Always check the required product type, grade, specification and compatibility against the vehicle or equipment manufacturer’s recommendations before use.

Common Questions

Mould Release Oils Products FAQs

Answers to the questions we are most commonly asked by garages, fleet operators, and motor factors. For vehicle-specific advice, contact our technical team directly.

A mould release oil is applied to a mould surface before the moulding operation to allow the finished part to separate cleanly from the mould. It forms a thin barrier between the mould surface and the moulding material, preventing adhesion and reducing the risk of surface damage on the part or the tool.

Not necessarily. The correct product depends on the moulding process, the material being moulded and the required surface finish of the finished part. Some products are suitable across several processes; others are specific to one material type. Contact the Gem Oils technical team with your process details to confirm the right product.

Yes. Incorrect product selection or over-application can leave residue on the part surface or affect finish quality. Using the correct product at the recommended application rate helps maintain consistent part quality and reduces rejection rates.

Application method depends on the product and the process — some products are applied by spray, others by wipe. The frequency of application also varies; some processes require application before each cycle, others less frequently. Follow the product’s application guidance and adjust based on the results in your process.

need help selecting a product?

Talk to the Gem Oils Team

Tell us the equipment, application and the grade or specification required. Our team can help identify suitable Gem Oils options and available pack sizes.