POLYURETHANE PLASTIC CUSTOM PARTS

Polyurethane is one of the most tunable polymers a custom molder can offer, and polyurethane plastic custom parts sit at the centre of many demanding programs for exactly that reason. A standard thermoplastic gives the designer one fixed balance of hardness, elasticity and wear resistance; polyurethane can be formulated across a wide band of Shore A and Shore D values, so the same drawing can be matched with a compound soft enough to seal a joint or firm enough to carry a load. P&M develops polyurethane plastic custom parts alongside its injection-molded plastic range, which means a single supplier can deliver the rigid housing, the flexible gasket and everything that sits between the two.

Three production routes cover most enquiries. Thermoplastic polyurethane (TPU) is injection molded in a steel tool, which suits high volumes, tight tolerances and complex geometry. Cast polyurethane is poured into an open or closed mold, which is economical for low volumes, very thick sections and large parts. Reaction injection molding (RIM) meters two liquid components into the tool, producing tough, lightweight parts with excellent impact behaviour. The right route depends on annual volume, part size, wall thickness and the mechanical duty the component must survive.

Because polyurethane bonds readily to metal and to rigid plastics, it integrates naturally into assemblies: a roller can be cast onto a machined shaft, a wear pad can be overmolded onto a steel bracket, and a soft grip can be molded directly onto an ABS housing. That ability to combine hard and soft in one component is often what makes polyurethane the practical answer rather than a compromise.

P&M Polyurethane Plastic Custom Parts Molding Introduction

P&M (Ningbo Plastic Metal Products Co., Ltd.) is a professional injection mold manufacturer based in Yuyao, Ningbo, Zhejiang, the region known as the Mould City and Plastic Kingdom, close to the southern end of Hangzhou Bay Bridge, north of Shanghai and east of Ningbo Port. Domestic roots reach back to Shundi Mould Factory in 2008, and international markets have been served since 2014. Eighteen years of mold manufacturing technology and ten years of export experience shape the way each polyurethane plastic custom parts project is handled, from the first drawing review to the last inspection before shipment.

Polyurethane is a family of polymers built from the reaction of an isocyanate with a polyol, and that chemistry decides the performance. A polyester-based grade typically offers higher tensile strength, better oil and solvent resistance and strong dynamic behaviour, which makes it a common choice for rollers, wheels and drive components. A polyether-based grade resists hydrolysis and microbial attack, so it holds up in wet, humid or outdoor conditions where a polyester system may degrade. Hardness is expressed on the Shore A scale for elastomeric grades and Shore D for the stiffer, more structural ones, and the molder can influence rebound, compression set and damping by adjusting the formulation rather than by changing the part geometry.

That adjustability explains why polyurethane appears where rubber wears out and metal is too heavy. Polyurethane outlasts natural rubber many times over in abrasive sliding contact, resists cutting and tearing, carries much higher loads at the same deflection, and can be formulated to absorb vibration or to return energy. It also machines like a soft metal, so cast blocks and rods can be turned, milled and drilled into prototypes and short runs without a tool. Additives extend the range further: UV stabilisers for outdoor parts, antistatic grades for electronics handling, compliant formulations for food contact, and flame-retardant versions for industrial equipment.

Prototyping keeps the risk low before a full mould is cut. 3D printing produces a physical model in days so that fit and feel can be checked in the hand, and cast samples in the target hardness confirm how the part behaves under load before steel is committed. Where a project combines polyurethane with metal or rigid plastic, in-house capacity for CNC machining, die-casting and metal products allows the mating components to be produced in the same building, so tolerances are negotiated between departments rather than between separate companies with their own schedules.

Design review is handled in CAD, PRO-E and UG, with typical design time of one to three days. Engineers examine draft angles, corner radii, wall transitions, gate position and the way the part will be loaded, because polyurethane forgives less in sharp internal corners than many rigid plastics do. Tooling is machined from P20, 2738, 2344, 718, S136, 8407, NAK80, SKD61 or H13 and built to HASCO, DME or the customer's own standard, with mould precision of about +/-0.1mm and a working life of 50 to 100 million shots. Mould lead time runs about 25 working days, and production time is 7 to 15 days once the tool is approved. Cavity layouts range from a single cavity to multi-cavity tools, and hot runner or cold runner designs are selected to suit the volume and the material.

Quality control is built around samples. A pre-production sample is produced and approved before mass production begins, that sample is guaranteed to match the quality of the shipped parts, and a final inspection is completed before shipment. Roughly 90 percent of output is exported to America, Europe, Germany, Japan and Australia, so inspection routines are written to satisfy demanding international expectations. Food-grade plastic raw materials are available where contact safety matters, and the one-stop chain runs from 3D design and 3D printing through mold making, plastic injection, product assembly, surface printing and spraying. Beyond injection molding, the factory also operates blow molding, die-casting, rotational molding, CNC machining and metal products, and a team of 51 to 100 people, an owned trademark and dozens of patents reflect a business built on repeatable process rather than one-off jobs.

P&M Polyurethane Plastic Custom Parts Molding(Specification)

P&M Polyurethane Plastic Custom Parts Molding Feature And Application

The first feature of polyurethane plastic custom parts production at P&M is the freedom to specify hardness and behaviour instead of accepting whatever a catalogue happens to stock. Shore A and Shore D grades are available across the elastomeric and structural range, and the compound is matched to the load, the speed, the temperature and the chemical environment the part will meet. Colour is controlled through masterbatch and pigment systems and approved on a molded sample, while finishes range from high gloss to matte to soft touch.

Injection-molded TPU brings the advantages of thermoplastic processing: short cycle times, tight dimensional control, thin walls, snap fits, living hinges and the ability to overmold onto rigid substrates for a chemical or mechanical bond. Class A surfaces can be molded directly, and in-mold texture or graining can reproduce leather, sand and fine geometric patterns straight from the tool. That combination makes TPU a strong candidate for consumer enclosures, tool grips, cable strain reliefs, seals and any part that must arrive looking finished as molded.

Cast polyurethane covers what injection molding cannot do economically. Very thick sections, diameters beyond the capacity of a press, one-off prototypes, small batches and mixed-hardness components are all practical in a cast process, and hardness can vary across a single part where the design calls for it. Casting also allows polyurethane to be bonded directly to a metal insert, which is how rollers, wheels, pulleys and abrasion liners are commonly produced. For buyers who need a few hundred pieces rather than a few hundred thousand, this route keeps tooling cost low and lead time short.

Reaction injection molding completes the picture for large, tough, lightweight parts. Two liquid streams meet in the mold and cure in place, filling complex geometry at low pressure and low temperature. Tools cost less than high-pressure injection molds, which makes RIM attractive for large covers, housings, bumpers and structural panels that would otherwise be slow or expensive to produce.

Consistency across a long program depends on controlled processing and stable tooling. Cavity geometry held to about +/-0.1mm, mould life of 50 to 100 million shots and documented inspection keep hardness, colour and dimensions stable from the first shipment to the tenth reorder, and each polyurethane plastic custom parts order carries a traceable record of material batch and process settings.

Applications for polyurethane plastic custom parts span a wide field. In industrial equipment the material becomes rollers, caster wheels, timing belts, scraper blades, wear strips, screen decks and pump liners that resist abrasion and impact. Automotive programs use polyurethane for suspension bushings, bumper components, spring aids, weather seals and soft-touch interior trim. Mining and material handling rely on chute liners, impact bars and conveyor accessories. Consumer goods and sports equipment use soft grips, protective covers and shock-absorbing inserts. Medical and food-processing applications specify grades formulated for cleaning and contact safety, while electronics handling uses antistatic TPU pads, grippers and fixtures.

Assembly and finishing close the loop. Overmolding, insert molding and two-shot molding let a soft polyurethane element be bonded to a rigid substrate in a single cycle, removing a separate gluing operation and the variability that comes with it. Where decoration is required, surface printing and spraying add logos, scales and protective or soft-touch coatings to the finished part, and product assembly brings the molded components together with the machined or die-cast parts before packing. A buyer who needs a complete sub-assembly rather than a loose box of components can therefore source the whole item from one supplier, under one purchase order, with one set of inspection records and one point of technical contact for any question that arises after delivery.

For overseas buyers, the commercial side is straightforward. P&M quotes FOB, CFR, CIF, EXW, FCA, DDP or DDU, accepts T/T, L/C, PayPal, Western Union and Escrow, and answers enquiries within 24 hours. Mould lead time is about 25 working days, production runs take 7 to 15 days, and design support in CAD, PRO-E and UG turns a drawing into a tool in one to three days. If you are sourcing polyurethane plastic custom parts, send your drawing or sample to P&M and receive a free quotation, a technical recommendation on compound, hardness and production route, and a clear timeline, with a pre-production sample approved before mass production begins.

Customization Process

Factory&About US

NingBo Plastic Metal Product Co.,Ltd (P&M) is located in Yuyao, the so-called Mould City, Plastic Kingdom, in the southern tip of Hangzhou Bay Bridge,north of Shanghai, the east of Ningbo Port,tight double line of State Road 329 on land, sea and air trafic into a network to facilitate transport.

By the abundant technical strength,scientific management methods and good after-sales service, product deeply trusted and welcomed by customers from all over the world. P&M holds improved system of development and production, to achieve mold design, plastic products manufacturing and automatic production. Our main products is design and manufacturing of plastic mold, plastic product, metal product. 90% products of our enterprise are exported to America, Europe, Germany, Japan, Australia, etc. For many years, the company has been committed to the research of raw materials. The company has its own trademark and dozens of patents, providing more convenient technical support for mold making and product production. P&M started domestic business from 2008,named Shundi Mould Factory. And opened the international market from 2014. We always adhere to the principles of quality first and time first. While providing customers with the highest quality products, try to maximize the production efficiency and shorten production time. We are proud to tell every customer that our company has not lost any customer since its establishment.If there is a problem with the product, we will seek a solution actively and take responsibility to the end.

P&M adheres to market-oriented to the quanlity of life and focus on quality service and continuous development of new products,determined to establish a better corporate image,and our friends at home and abroad to carry a wide range of business exchanges and cooperation, create brilliant.

Packing

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.

P&M Bike parts, centered around children, balances safety, health, and fun, aiming to add a bright color to children's beautiful childhood. We look forward to working together with you to serve our children.

The path of a child's growth is paved with bricks and tiles.

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?

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 24 hours.

2. Well-trained 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.