Injection Moulding Machine for Cream Jars
Cream jars are made on horizontal injection moulding machines, with jar bodies and lids in PP, recycled PP, ABS or SAN. Machine size depends on jar diameter, cavity count and mould height, which grows when threads need an unscrewing core. On thick-walled jars, cooling time and sink marks set the cycle.
Machine choice for cream jars looks at mould height for the thread release system, shot weight for thicker bases and steady cooling. Pratishna Engineers supplies horizontal injection moulding machines for cream jar and lid production and can recommend a configuration for your jar size.
Manufacturing Cream Jars?
Share your jar and lid drawings, fill volume, material and output target, and Pratishna Engineers will recommend a machine.
Machine Requirements for Cream Jar Moulding
Cream jars combine a sealing thread, a visible outer face and often a thick base. Points that guide machine choice:
- Mould height for unscrewing cores or stripper plates
- Gate mark hidden inside the lid or under the liner
- Cooling capacity for thick bases without sink marks
- Concentric thread and seal land for a leak-free lid
- Steady melt flow when running recycled PP grades
- Gloss and colour match between jar and lid
Recommended Machine for Cream Jars
Small jars and lids in multi-cavity tools often run on the E Series (75-180 T). Larger jars, unscrewing moulds with their gear drive, or lid tools with many cavities need more mould height and clamp, which points to the C Series (140-320 T) or the H Series (120-350 T).
Not Sure Which Machine You Need?
Share your jar size and lid design for a suitable machine recommendation.
Why Choose Pratishna Engineers?
- Application-Based Machine Selection
- In-House Engineering & Manufacturing
- Multiple Machine Series
- Production-Focused Solutions
- End-to-End Technical Support
- Industry-Specific Solutions
- Machine Lifecycle Support
Injection Moulding Machine Buyer Resources
Download practical resources to help you select, size and specify the right machine.
Horizontal Injection Moulding Machine Selection Guide
A step-by-step guide covering the key inputs needed to select the right machine: product weight, projected area, number of cavities, plastic material, required clamping force, shot / injection capacity, mould dimensions, production quantity, cycle time and automation requirement.
Download PDFPDF · 265 KB
How to Calculate Clamping Force for an Injection Moulding Machine
A clear methodology that explains how clamping force is calculated, covering projected area, injection pressure, safety factor, number of cavities and material considerations.
Download PDFPDF · 363 KBCosmetics & Personal Care Components & Machine Guide
A guide to Cosmetics & Personal Care components, covering compacts, lipstick cases, cream jars, caps, pumps, combs, brushes and hair accessories. It explains cosmetic surface finish, thick-wall clear parts, precise mating components, and how to match each part to a suitable machine.
Download PDFPDF · 203 KB
FAQs / Buyer Questions
Common questions from cosmetic jar moulders.
Which Injection Moulding Machine Is Used to Make Cream Jars?
Jar size and the thread release method decide the series. Small jars and lids suit the E Series, while bigger jars, double-wall parts or unscrewing tools with several cavities usually need the C or H Series.Does a Cream Jar Thread Need an Unscrewing Mould?
Not always. Shallow, rounded threads on PP jars and lids can often be stripped off the core. Deeper threads, or threads in stiff ABS and SAN, usually need an unscrewing core, which adds mould height and cost.Can Recycled PP Be Used for Cream Jars?
Yes, PCR-PP is used for jars and lids. Its melt flow and colour can vary between lots, so each lot is checked, back pressure is kept steady and colour is approved at startup to keep jar and lid matched.
How Are Double-Wall Cream Jars Made?
A double-wall jar is two parts from two separate moulds: an outer shell, often thick SAN or PETG, and an inner cup in PP. They are assembled after moulding, so each tool is sized to its own machine.Can Pratishna Recommend a Machine for My Cream Jar?
Yes. Share the jar and lid drawings or samples, material, wall thickness, thread type, mould dimensions, cavity count and monthly volume, and Pratishna Engineers will recommend a suitable machine.Does the Machine Suit Other Cosmetic Containers Too?
Yes. The same machines can mould thick-wall acrylic or SAN jar shells, cosmetic bottle caps, deodorant stick containers and compact cases, subject to the mould.
Technical Disclaimer
Disclaimer: The information provided in this webpage is for general informational and educational purposes only. It is based on technical references and industry information available at the time of preparation and may be subject to change. It does not constitute engineering, technical, commercial or professional advice, nor does it constitute a quotation, specification, warranty or contractual commitment by Pratishna Engineers.
Actual injection moulding machine and process requirements vary according to the component design, material, mould, production volume, machine configuration and operating conditions. The information, examples, calculations and recommendations provided should be independently evaluated and verified for the specific application before making any equipment, process or production decision. Information obtained from third-party sources remains subject to the accuracy and limitations of those sources.
Limitation of Liability: Pratishna Engineers makes no representation or warranty, express or implied, regarding the completeness, accuracy or suitability of the information for any particular application. To the extent permitted by applicable law, Pratishna Engineers shall not be liable for any loss, damage, cost or consequence arising from reliance on or use of the information contained in this webpage. Final machine selection, configuration and application suitability should be confirmed with Pratishna Engineers based on complete and accurate project requirements.
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Planning a New Injection Moulding Project?
Share your component, material, mould and production target. Our engineering team will help you identify the right machine configuration.
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