The test involves shining a light through the Preform and measuring the percentage of light that is transmitted through the Preform. Preforms that are not perfectly transparent will result in containers that are not crystal clear.Īs such, it is important to perform transparency testing on Preforms to ensure that they meet the required standards. This is because the transparency of the PET containers is a significant pointer to the quality of the containers. It is essential that the preforms used for this purpose are perfectly transparent. In the context of PET containers, preforms are used for blowing bottles. Preforms are widely used in a number of industries for different purposes. If the preforms do not meet the required transparency level, they will need to be fixed or replaced in order to maintain the quality of PET containers. By performing this test, it can be determined whether or not the preforms are at par with the standards set for crystal clear bottles. Preforms that are used for blowing bottles must be transparent in order for the bottles to be crystal clear. The quality of PET containers can be determined by checking the wall quality or transparency of the PET. Quality Control of PET Containers/ Preforms The results of the transparency test are reported as the percentage of light transmission through the Preform. The test method involves the use of a spectrophotometer to measure the light transmission through the Preform. The test method is based on the measurement of light transmission through the Preform.
Transparency Test for Preforms is a very sophisticated testing system that is performed to examine the transparency level of the Preforms utilized for blowing of PET bottles. Thus, preforms must be perfectly transparent to perform transparency testing. If preforms are not transparent, it will be very difficult to produce crystal clear bottles. The transparency of Preforms is a significant pointer to the quality of Preforms.
Preforms are transparent polymers that are used for blowing PET bottles.
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