Mold for plastic caps

Mold for Plastic Caps – Custom Cap Molds for Every Industry

Looking for high-quality plastic caps for your bottles, containers, or dispensers? We design and manufacture custom molds for plastic caps, made to fit your products perfectly. Whether you need a twist cap, flip-top lid, dispensing cap, or a tamper-evident closure, we provide tailor-made solutions for all your cap molding needs.

Why Choose Our Custom Cap Molds?

We specialize in custom plastic cap molds that are built to match your exact design and function. Every mold is precision-made to ensure smooth operation, tight sealing, and consistent quality.

We Support a Wide Range of Cap Types:

Screw caps / twist-off caps

Flip-top caps

Snap-on or press-fit caps

Disc top or pump caps

Tamper-evident or child-resistant caps

Spout caps or measuring caps

From simple to complex structures, we help you create the right cap for your product.

Tailored to Fit – Mold Design Based on Your Product

No two caps are the same. That’s why we offer fully customized mold design services based on your drawings, 3D files, or even physical samples. We ensure:

Accurate thread fit for bottles or containers

Leak-proof sealing surfaces

Smooth opening and closing mechanisms

Logo or branding integration

Multi-cavity mold options for high-volume production

We also offer design support to help optimize your cap for better performance and easier manufacturing.

Material Options – Choose What Works Best

Our molds are suitable for a wide variety of plastic materials, depending on your cap’s function and industry:

PP (Polypropylene) – Flexible, food-safe, ideal for flip and screw caps

HDPE – Strong and chemical-resistant, used in industrial and household products

LDPE – Soft and squeezable, perfect for dispensing caps

PE/PP blends – For customized strength and flexibility

TPE/TPU – Soft-touch or grip features

Recycled plastics – Available on request for eco-friendly solutions

We help you select the right material based on your needs for strength, flexibility, sealing, and safety.

Injection Molding Process – Fast, Reliable, and Scalable

Our plastic caps are made using injection molding, a process that ensures high consistency and speed for both small and large production runs.

The Process Includes:

Mold Design & Fabrication – Custom mold built based on your design

Plastic Injection – Heated plastic is injected into the mold under pressure

Cooling & Ejection – Part is formed, cooled, and removed automatically

Trimming & Quality Check – Each cap is inspected for accuracy and finish

This process is ideal for producing thousands to millions of identical, high-quality caps quickly and efficiently.

Beyond Cap Molding – Full Service Manufacturing

We offer more than just molds and molded parts:

Plastic Part Production – From small runs to large orders

Assembly Services – Cap and liner assembly, or multi-part closures

Packaging & Labeling – Custom packing options for shipping or retail

Replacement & Spare Caps – For aftermarket or product line extensions

Prototyping & Testing – Try new ideas before mass production

We’re your one-stop partner for plastic cap manufacturing.

Industries We Serve

Our plastic caps are used by clients in:

Food & beverage

Cosmetics & personal care

Pharmaceuticals & healthcare

Household chemicals

Automotive fluids

Industrial packaging

Whether you need a premium cosmetic closure or a durable industrial cap, we have the right molding solution for you.

Why Work With Us?

Custom Cap Molds Made to Order

Fast Lead Times & Global Shipping

Multi-cavity Mold Options for High Efficiency

Experienced Team & Design Support

Quality Control at Every Step

Get a Free Quote for Your Plastic Cap Mold

Ready to create your own custom plastic cap mold? Contact us today for a free quote and expert guidance. Let us help you build a cap that fits your product, your brand, and your market.

We are plastic mold maker and can provide custom mold service, we can make injection molds, blow molds, rotational molds and die-casting molds.

For custom injection molds, we can provide professional custom injection molding services. Usually Plastic injection mold manufacturing Molding are manufactured using injection molding technology. The mold materials for injection molds can be chosen from P20, 718, S136, H13 and so on. The mold material reflects the mold life and product material requirements.

For parts that require blow molding production, we can also provide professional custom blow molding services

Plastic injection mold manufacturing Injection Mould making

1.We communicate product design according to samples/drawings and your requirements.

2.After the product design is confirmed, we carry out the mold design, we provide all kinds of injection molds, blow molds, silicone molds, die-casting molds services.

3.Material procurement, steel cutting and mold basic tools.

4.Mold assembly

5.Mold inspection, tracking and controlling mold processing.

6. We will inform you the date of mold trial and send you the sample inspection report and injection parameters together with the sample.

7.Your instruction and confirmation of shipment.

8.Prepare the mold before packing.

Plastic injection mold manufacturing molding Specification

1. Professional manufacturer, design, production injection mould and stamping mould quality control

2. rich export experience plastic injection mould and stamping mould

3. Reasonable price of design mould

4. Cavities: single or as per your requirements cavity

5. Treatment: S45C Pretreat>25Hrc,And Nitriding

6. Mould Steel: Cavity ,Core and slide: P20 ,2738,2136 available Moldbase :LKM available

7. Standard:DEM ,HUSKY,available

8. Hot runner: according to your demand

9. Life time: >300 Thousand Times

10. Package: Plywood case, anti-rust paint

Mold design：

Information you need to provide us

1. If you have drawings, 2D drawings, 3D drawings (preferably in STEP format).

2. If there are no drawings, you need to provide specific length, width, height and weight information. (It’s best to send us samples)

3. Should the mold be sent to your country, or leave the mold in our factory and we will help you produce the product.

4. Mold material requirements, cavity number requirements (you can tell us about the size of your injection molding machine)

5. Product material requirements and product quantity. (You can tell us about the use of the product and we can give you suggestions)

Transaction process:

Mold testing：

Once the mold is complete, I do a mold test. It usually takes about 3-5 days to complete. We need to assemble the mold, adjust the pressure data of the machine, and try production. We need to check whether there are problems during the normal production of the mold and make modifications.

Product packaging

Packaging according to your needs

1.By air ,it takes 3-7 days for delivery .The goods can be shipped by DHL ,Fedex ,UPS .

2.By sea ,the delivery time is based on your port .

To South East Asian Countries takes about 5-12 days

To Middle east countries takes about 18-25 days

To European countries takes about 20-28 days

To American countries takes about 28-35 days

To Australia takes about 10-15 days

To African countries takes about 30-35 days.

Factory

Video-1: (Factory Video)

Video-2: (Injection Molding)

Video-3: (Blow molding)

Video-4: (Blow molding)

Video-5: (Roll molding)

Customer satisfaction is our most important goal. We focus on communication and cooperation with our customers, always pay attention to their needs and provide quick response and quality customer service. Our injection production mold factory is committed to establishing long-term relationships and ensuring that our customers receive the best after-sales service during the purchase and use of our products, and we will definitely do our best to solve any problems for our customers.

FAQ

1. Who are we?

We are based in Zhejiang, China, start from 2014,sell to North America(30.00%),Southern Europe(10.00%),Northern.

Europe(10.00%),Central America(10.00%),Western Europe(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%). There are total about 51-100 people in our office.

2. How can we guarantee quality?

Always a pre-production sample before mass production;

Always final Inspection before shipment.

3. What can you buy from us?

Mould,Plastic Product, Metal Product,Dental Product,CNC machining.

4. Why should you buy from us not from other suppliers?

Ningbo P&M Plastic Metal Product Co., Ltd. We main do all kinds of 3d design, 3d printing and plastic metal molds tooling and products. We have our own engineer and factory. One-stop supply:3d design - 3d printing - mold making - plastic injection.

5. What services can we provide?

Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU;

Accepted Payment Currency:USD,EUR;

Accepted Payment Type: T/T,L/C,PayPal,Western Union,Escrow;

Language Spoken:English,Chinese,Spanish,French,Russian.

6. What are the characteristics of your service?

1. Your inquiry related to our products or prices will be replied within 24hours.

2. Welltrained and experienced staffs to answer all your enquiries in fluent English.

3. Offering the support to solve the problem in the application or selling period.

4. Competitive prices based on same quality.

5. Guarantee samples quality same as mass production quality.