Articles

Purging fluorescent colors can be a time consuming task for many plastic processors.  Fluorescent colors tend to hang up in hot runners and on the screw and can result in extended downtime and scrap...
A good work environment is very important in order to have productive and happy employees.  In addition to assisting companies with reducing downtime and scrap when purging, Moulds Plus International...
Ultra Purge 8516 Moulds Plus' new Ultra Purge 8516 is designed to combat buildup of conductive PP materials, and it can also clean hard-to-remove colorants from the screw, barrel and hot runners. It...
From Compounding World - December 2015 Issue Processors looking to improve their cost position—which essentially means all processors—could do well to take a closer look at how they can reduce...
Purging blow molding machines can be a very time consuming and expensive process for many processors. Due to the design of blow molding machines, in particular the head or accumulator, it can be...
An injection molder in the Midwest recently approached Moulds Plus International for assistance with their black to natural PE color changes. The molder was having issues cleaning the black out the...
Moulds Plus International USA, Inc. introduces its new Ultra-X proprietary technology. Ultra Purge 5150 compound is an improved version of Ultra Purge 5050. The new compound is 30% more efficient...
Processing Polycarbonate (PC) many times can be a difficult task for plastic processors. PC has a tendency to degrade and result in black specks (carbon) contaminating parts. Recently a company in...
Purging a single stage injection blow PET machine can be tricky because molding parts out of the purge is required. The Ultra Purge PET-E when mixed with wet PET is the perfect solution for molding...
Color changes and carbon contamination result in excessive scrap and downtime for many companies producing industrial packaging. A large injection molder producing buckets recently approached Moulds...
Injection molders many times do not realize how much color contamination is built up in the hot runner system. Companies that do not use Ultra Purge will often find that the when purging the hot...
Ultra Purge is specifically designed to purge color from hard to clean hot runner systems.  In a recent trial a high cavitation mold was purged with the Ultra Purge P-O grade.  The scheduled color...
Black specks showing up in parts can be a costly issue for many thermoplastic processors. Scrapping part after part that is contaminated with carbon specks results in excessive downtime and wasted...
Moulds Plus International was approached by a cap manufacturer that was having issues with black specks showing up in the parts. The molder’s current method for purging was to run resin through the...
Color compounders producing masterbatch in many different colors are starting to discover that Ultra Purge can be a great asset to their production.  A color compounder approached Moulds Plus...
Introduction Dark to light color changes on hot runner systems can sometimes be time consuming and costly. Excessive downtime and scrap during color changes cut into a company’s profit margin...
Contamination issues for companies processing film (blown film) can be very common. Unfortunately, many people do not realize that commercial purge compounds can benefit manufacturers of blown film....
Moulds Plus International was recently approached by one of the largest PET and HDPE bottle manufactures in North America in order to assist them with issues they were having on their PET machines....
1. What resins are you working with? Commercial purge compound (CPC) manufacturers have grades designed to purge specific types of resins. In some situations a company may be able to use only one...
A Moulds Plus International technical sales representative recently visited an injection molder in Missouri that was experiencing difficulties with a polypropylene black to natural color change (see...
Color changes and black speck issues can be a major cause of downtime and scrap for automotive molders. Every minute a company has of downtime is a minute they are not making money. The automotive...
Andrew Reeder, Moulds Plus International Introduction The number one goal of companies in the thermoplastic processing industry, just like any industry, is to maximize profits. There are many...
Moulds Plus International recently worked on project with a medical injection molder in California. The molder had been experiencing issues with carbon in the hot runners. Internal safety regulations...
A large injection molding company recently approached Moulds Plus International with issues going from red to white in a PP. The company had been using resin to purge the machine which had been...
This article was published by Plastic Today to announce our brand new high temperature grade Anaheim—Moulds Plus International USA will be introducing a new grade of purging compound targeting high-...
Recently one of the largest thin wall packaging injection molders in the world approached Moulds Plus International looking for assistance with their dark to light color changes on their high...
Deciding on what type of commercial purge compound to use is an important task for plastic processing companies; and companies have a choice of 2 different types of purge compounds, chemical and...
Color changes can be a very challenging task for many thermo-plastic processors in the packaging industry as all plastic companies are looking to reduce the downtime and scrap that is associated with...
Color changes can be a very challenging task for many thermo-plastic processors in the packaging industry as all plastic companies are looking to reduce the downtime and scrap that is associated with...
Article from Canadian Plastics Moulds Plus International launched a new chemical purging compound, the Ultra Purge 5060, in 2011 specifically designed to purge clear Polycarbonate and Acrylic...
This article is republished from SPE's purging compound article Purging compounds are materials used to clean or purging processing equipment such as extruders or injection molding machines of...
One common issue with multi-layer PET preform manufacturers is carbon hanging up at the tip of the hot runner system. The carbon typically forms in the barrier layer which is normally composed of...
  Carbon contamination can be a big headache for many thermoplastic processing companies as lingering black specks can result in a huge loss of production and create quality control issues.  Along...
Purging an injection molding press, whether it be for color changes or removal of carbon, can be very time consuming and expensive. The lost production time and the scrap resin cuts into the company’...
Published in Injection Molding Magazine on May 12th, 2009 by Clare Goldsberry Purging between molds and material changes is time consuming and seems costly for molders. But is it a necessary evil? It...
New Purging Compound Designed to Purge Stack Molds Color changes on thin wall container stack molds just became easier with the introduction of the Ultra Purge BP grade.  Moulds Plus International in...
Published in Plastic News Ultra Purge from Moulds Plus International USA Inc. was designed to help solve all of the problems associated with mold material and color changes. Ultra Purge’s formulation...
by Andrew Reeder, Moulds Plus International A company going green is not only socially responsible, but also financially responsible. The best way for plastic processing companies to go green is by...
Plastic processing companies around the world are scrambling to gain an advantage over their competition. The economic slowdown has resulted in companies having to re-evaluate certain areas to...
Published July 18, 2003 Ultra Purge the Italian leader Purging Compound manufactured from Commerciale Ultra in Italy and Moulds Plus International in US and Europe is now introducing the new...
Purging between molds and/or material changes is time consuming and costly for molders. Yet, it’s a necessary evil. Necessary because molds and molding systems must be “purged” of residue materials,...
A purging compound is a plastic resin compound designed to clean all primary plastic machinery (injection molding machines, blow molding machines, extruders) when changing color, resin or simply to...