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What is the tape master roll

What is the tape master roll

The tape master roll is mainly based on the BOPP film master roll. After the BOPP film is processed by the high-voltage corona tape master roll, the surface is rough on one side. The semi-finished master roll is then heated and uniformly coated with water-based pressure sensitive Master roll of adhesive tape. Many people think that it is a tape used to listen to songs in the past, but it is not.

2022-01-19

For some questions about printing tape, there are the following possibilities

For some questions about printing tape, there are the following possibilities

For some questions about printing tape, there are the following possibilities: Usually the reason for the yellowing of the tape is due to the influence of aging. Both the adhesive and the substrate of 3M tape have undergone rigorous experimental evalsuation and have excellent aging resistance.

2022-01-19

Tape Pull Test

The commonly used instrument is a tensile tester, which is mainly to slowly apply a load to both ends of the sample, so that the working part of the sample is partially subjected to axial tension, causing the sample to elongate in the axial direction. It is generally carried out until it is pulled off. The tensile strength and plastic properties of the material can be determined through the tensile test. Tensile test specimens should meet the relevant national and industrial standards for tensile testing of different materials.

2022-02-28

Two-component polysulfide sealant

Two-component polysulfide sealant

Most of the sealants currently used are silicone sealants. Silicone sealant has good anti-ultraviolet performance and stable chemical properties, and is the best anti-aging sealant in the existing sealants. It has good compatibility with silicone structural sealants and is widely used in weather-resistant sealing of building curtain walls.

2022-02-28

PUR hot melt adhesive compared to water-based pressure sensitive adhesive

PUR hot melt adhesive compared to water-based pressure sensitive adhesive

First of all, this is caused by the white material itself or the contamination by the adherend. The water-based PU adhesive will not turn yellow. In the market, we usually encounter white PU/PVC and rubber bonding, because the treated water used for rubber contains strong oxidizing substances. , when the glue covers it, it is oxidized, so yellowing occurs. At this time, the method is to not spill the liquid medicine when dealing with the substrate rubber, and clean up the spillage in time.

2021-09-26

How to solve the problem of bubbles in the production of protective film?

How to solve the problem of bubbles in the production of protective film?

How to solve the problem of bubbles in the production of protective film? There will be bubbles in the production process of protective film, which affects the product quality of protective film, which is a headache for many protective film manufacturers. So if we encounter this problem, how should we solve it? In order to solve this problem, we have thought of many methods, such as selecting the appropriate ink and increasing the coating amount, enhancing the wettability of the glue to the protective film, and improving the local poor gluing. increase the temperature and pressure of the compounding roller; reduce the compounding speed to increase the soaking time and gluing time, etc.

2022-02-28

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