Revealing vendor reviews on blow molding services companies.

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You’re tasked with sourcing a blow molding services company for your new manufacturing product or products. The requirements you have are technically demanding, on a tight schedule, must fit a prescribed budget, and you may need excellent consulting from the vendor. Basically, you’re looking for manufacturing B2B company you can trust and rely on—after they’ve started the work and carry it all the way through. The blow molding services vendor reviews on our site give you this power to assess and vet ahead of time how well a company will do its job for you. Each review (and often a company will have several reviews) is written by a customer of that business. This means it is an actual performance evaluation by an actual supply chain customer who went through all the experiences you’re going to go through. The reviews include written commentary and star-rating scoring on 4 criteria and other measurement tools. This, as you will recognize, is very useful to you as a purchasing manager or agent doing the sourcing work. Based on these reviews you can narrow down the companies you want to talk to, trusting the information from other manufacturing companies that have used their services.

We also invite you to write objective, frank reviews of vendor or supplier companies which have worked with your company. This elevates the entire business to business community in information sharing.

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About Blow Molding

Blow molding is one of the techniques used to make thin walled containers such as water bottles, gas can and other products which would be very difficult using machining or injection molding. There are several different types of blow molding, preform blow molding and extrusion blow molding being the two most common. You can find different blow molding vendors that use these processes.  

 

Preform blow molding: 

As the name suggests, it uses a already made preform that is heated prior to the blow molding process. The preform can be injection molded or machined. This is typically automated with the preform going through an oven then placed in the mold. A piston is inserted into the preform and a gas at a very high pressure is forced into the preform to force it to expand to match the mold. The design of the mold as well as the preform will affect the final blow molded part. The blow molding process can be done very quickly once the preforms are created.

 

Extrusion blow molding:

This process combines extrusion and blow molding to create the part. Unlike the preform molding, there is not a blank that is used. Instead, the material is extruded right into the mold. Once the material is extruded, and before it can cool, a high pressure gas is used to force it to take the shape of the mold. This can be used to make very large blow molded parts such as 50 gallon barrels. The process is slower for each piece but takes out the step of making a preform. 

 

 

What is VendOp?

VendOp provides a valuable resource during the vendor sourcing process. We simplify the vendor sourcing process by enabling users to quickly find vendors that offer the desired expertise. Reviews provide valuable insight into the proficiencies and capabilities of each vendor.