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Water Filter Computed Stress Analysis

December 17, 2020

Water Filter Failure Causes Water Damage

Water filters are pressurized containers that are molded using plastic. Pressure surges inside of water filters, caused by valves suddenly turning on and off, can cause water filters to crack and leak if they are not properly designed and manufactured. When water filters fail when no one is around

August 6, 2020

Retail Plastic Bag Failure

Plastic bags have become the standard for many retailers, however, defective design or manufacturing can lead to bag failure, and can cause personal injury or property damage. Additionally, improper bag loading or bagging training can also lead to bag failure. Plastic Expert Group specializes in

August 6, 2020

CPVC Plastic Pipe Failure

Plastic pipe failure can be catastrophic and leads to millions of dollars of property damage every year. These failures have a number of causes, including: + improper selection of materials+ manufacturing or fabrication defects+ poor part design A Case Study Problem: CPVC pipe failure leading to

February 20, 2019

Common Causes of Plastic Failure

What causes plastic parts to fail, leading to property damage or serious injury/death? Every year, Plastic Expert Group receives hundreds of requests for forensic failure analysis of plastic parts. The failure of plastic plumbing products, including PVC and CPVC, PEX pipes, water filters, and

February 18, 2019

The Power of Computer Modeling in Failure Analysis of Plastic Parts

When plastic parts fail, the failure is often caused by defective part design. Computer modeling of the part, followed by finite element analysis (FEA) of the design, will often reveal the defects in the part design. For example, we were provided with a coffee cup that failed, causing serious

February 12, 2019

Forensic Failure Analysis of Plastic Parts

Our 4-step process for how we determine the root cause of plastic failure More parts are manufactured using plastics than any other material. Plastics offer low part manufacturing costs and light part weight compared with alternative materials such as metal. However, plastic parts occasionally

February 8, 2019

An Expert’s Perspective on Plastic Recycling, Poverty and the Environment

In the past 75 years, plastics have seen exponential growth. Globally, there are almost one billion tons of plastics manufactured annually. The main accelerator of the growth of plastic products are single-use products. Examples include plastic shopping bags, straws, yogurt cups, water bottles, and

January 8, 2019

Preliminary Chemical Compatibility Testing of An Experimental CPVC Fire Sprinkler System Antifreeze

By Dr. Duane Priddy, Plastic Failure Labs Download PDF Abstract Currently, the only antifreeze which is approved for use in CPVC fire sprinkler piping by NFPA 13 is glycerin. However, glycerin is flammable. There is a need in CPVC fire sprinkler systems for an improved antifreeze that is

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