Mini injection moulds
Mini injection moulds
We offer a line of mini molds made from AISI 304 stainless steel, specifically designed for use with small injection molding machines, both manual and semi-automatic.
These are standard, ready-to-use molds, ideal for producing small parts in workshops, laboratories, schools, and prototyping projects.
Based on our “Mediterranean Sea” mold collection, but adapted for injection molding machines with a small capacity.
- 7 units Intermediate Plates --> 100 mm x 100 mm, is the part that is inserted between the top and down plate, with the desired shape to be molded. Several possibilities to choose from.
- Top Plate --> 6 mm thick, 100 mm x 100 mm, top of mold. Standard for all molds. It is the upper part and where the molten plastic enters the mould (Diameter 8mm).
- Down Plate--> 6 mm thick, 100 mm x 100 mm. Lower part of the mold. Standard for all moulds. It is the base of the set.
- Hexagonal Mould --> 100 x 100 mm, thickness 4 mm
- Circle Mould --> 100 x 100 mm, thickness 4 mm
- Heart Mould --> 100 x 100 mm, thickness 4 mm
- Square Mould -->100 x 100 mm, thickness 4 mm
- Heart Mould --100 x 100 mm, thickness 4 mm
- Pinza Piranna Mould -->100 x 100 mm, thickness 4 mm.
- Holder Mould -->100 x 100 mm, thickness 4 mm
Stainless Steel A2 (AISI 304) bolts and nuts system for quick opening and closing, included
Special design of the slotted screw holes for faster assembly/disassembly
Moulds NOT recommended for extruder use.
We recommend using one or more support points under the down plate to extend the life of the mould.
MEASUREMENTS
Each of the molds in this series is part of a modular system, which allows interchangeable plates such as the top and bottom plates, while maintaining a common structure: SAVE COSTS.
PLASTIC INLET
You may choose between;
Standard inlet. Diameter 8 mm
Conic Drill, we made a conic drill in the Top Plate, so the injector tip is adjusted to the inlet hole. It is our recommended system. Simplicity and speed in molding and demolding operations.
AMOUNT OF PLASTIC
In the following table, you will find an estimate of the amount of plastic required (in grams) to fill each of our molds, based on the density of the material used.
Example: If you are working with PP (polypropylene), its density may range between 0.90 g/cm³ and 0.91 g/cm³, which will directly affect the total amount required.
The figures shown are approximate values, intended to serve as a guide for efficient planning.
Attention:
Estimates do not include the plastic volume of the nozzle.
PVC has not been considered, as its handling and melting pose health and environmental hazards.
TIPS
Plastic inlet
Precious Plastic Capi Spain, recommends the Conic Drill plastic inlet option.
According to feedback from our clients and friends, using threaded inlets requires more time and effort. The plastic that remains in the threads cools down and solidifies, making it very difficult to remove before the next molding operation.
Support points
Precious Plastic Capi Spain recommends the use of several support points under the Down Plate.
It will extend the life of your moulds. The force exerted on the Down Plate by the pressure of the plastic will be distributed among the support points.










