PVC custom molding services

We are a dedicated manufacturer of custom PVC (Polyvinyl Chloride) injection and extrusion molded parts. We specialize in engineering and producing components that leverage PVC's unique balance of chemical resistance, flame retardancy, and cost-effectiveness. As your direct manufacturing partner, we control the entire process from compound selection and tool design to precision molding and secondary fabrication, delivering tailored solutions for demanding industrial and commercial applications.

Our Service: Engineered PVC Components & Fabricated Assemblies

We produce robust, custom plastic parts designed for longevity in challenging environments. Our core expertise is molding PVC into precise, functional geometries. We extend our capability through value-added services such as CNC machining, welding (hot plate, high-frequency), die-cutting, and assembly with metal or other plastic parts, providing you with finished sub-components ready for integration.

Custom Design for PVC's Versatile Nature

Designing for PVC requires specific consideration of its compound formulation (rigid or flexible) and thermal sensitivity. We engineer parts to maximize performance and manufacturability:

Ribs & Wall Thickness: Carefully calibrated to provide necessary rigidity in flexible compounds or to prevent sink marks in rigid PVC, ensuring structural integrity without excess material use.

Large-Part & Hollow Geometries: Expertly designed for optimal material flow and cooling, leveraging PVC's melt strength for large housings, ducts, and fluid handling components.

Living Hinges & Flexible Sections: In plasticized (flexible) PVC, we design integral hinges and seals that utilize the material's inherent pliability for closures, gaskets, and protective boots.

Assembly & Mounting Features: Designed to accommodate PVC's lower mechanical strength compared to engineering resins, often incorporating metal inserts for high-stress fastening points or designing snap-fits with adequate engagement length.

Gate & Vent Design: Strategically placed to ensure complete fill while minimizing shear heat, which is critical to prevent thermal degradation of the material.

PVC Material Science: Formulation Determines Function

PVC's properties are highly customizable through compounding. We guide you to the correct formulation for your application:

Unplasticized PVC (uPVC or Rigid PVC): Offers high stiffness, excellent chemical resistance, and dimensional stability. The premier choice for plumbing fittings, pipe connectors, electrical conduit, and industrial housings.

Plasticized PVC (Flexible PVC): Contains plasticizers (e.g., DINP, DOTP) for softness and elasticity. Used for seals, gaskets, medical tubing, protective cable sleeving, and soft-touch components.

Key Performance Additives & Applications:

Impact Modifiers: Added to rigid PVC to significantly improve toughness for window profiles, exterior siding, and technical parts.

Flame Retardant & Smoke Suppressant Compounds: PVC is inherently flame retardant (UL94 V-0 achievable), making it ideal for electrical junction boxes, cable management systems, and construction materials.

Stabilizer Packages: Essential for processing, these protect the polymer from heat degradation during molding and extend the part's service life, especially for outdoor applications.

FDA-Compliant & Medical Grades: Formulated with non-toxic stabilizers and plasticizers for medical device housings, fluid handling, and food-contact surfaces.

The Precision PVC Molding Process: Mastering a Temperature-Sensitive Polymer

Processing PVC requires strict thermal control and specialized equipment knowledge to manage its narrow processing window and corrosive byproducts.

Process Specifics: We operate within a tightly controlled temperature profile to melt the compound without causing decomposition. Screw and barrel design are critical for generating uniform shear and heat. We utilize corrosion-resistant tool steels and specialized screw/barrel materials to withstand acidic gases released during processing.

Key Advantages of Our PVC Molding Expertise:

Controlled Thermal Processing: Our expertise prevents degradation, ensuring parts have optimal mechanical properties, consistent color, and a defect-free surface finish.

Effective Venting & Gas Management: Proper mold and machine venting eliminates burning and splay, guaranteeing high cosmetic quality, especially for rigid applications.

Dimensional Consistency for Both Rigid & Flexible Parts: We manage the different shrinkage behaviors of rigid and flexible compounds to produce parts that meet precise specifications.

Efficient Processing of Cost-Effective Material: Our optimized processes fully leverage PVC's material economics, delivering durable components at a highly competitive total cost.

Why Partner with Us for PVC Components?

Our differentiation is our deep, practical expertise in formulating and processing this versatile yet challenging polymer. We understand the chemistry behind stabilization and plasticization. We provide essential Design for Manufacturability (DFM) analysis focused on PVC's flow characteristics and thermal limits. From prototype through high-volume production, we manage the entire value chain with a focus on producing chemically resistant, flame-retardant, and durable parts.

Choose us for your PVC components when your application demands proven chemical resistance, regulatory compliance (UL, NSF, FDA), or specific material properties achievable through compounding. We deliver more than molded plastic; we provide engineered PVC solutions built for demanding real-world conditions.

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.