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In recent years, silicone gel films (aka, scar stickers) have been widely used in scar repair, prevention and treatment. Silicone gel film is a medical patch made of a new type of medical polymer material. It has soft texture, self-adhesiveness, reusability and can prevent scar hyperplasia. After more than 30 years of research and verification by medical scientists at home and abroad, The film is effective in treating scars, especially hypertrophic scars. This paper will introduce the water vapor transmission rate detection method of silicone gel film in combination with Labthink W3/030 water vapor transmission rate tester.
The good oxygen permeability of the silicone gel film and the moisture permeability lower than that of normal skin enable the skin to store a proper amount of water. After the skin absorbs water, it inhibits the regeneration of capillaries, thereby reducing the deposition of collagen. At the same time, the increase of the water content of the stratum corneum of the skin can increase the permeability of the water-soluble protein and product in the interstitial, and rapidly spread, which promotes the softening and disappearance of the scar, the pigment becomes shallower, and the itching pain is alleviated. 
The W3/030 water vapor transmission rate tester developed by Labthink and the cup method test principle can be used for water vapor of various materials such as plastic film, composite film, sheet material, medical and building materials. Determination of transmittance. The equipment implements GB1037, GB/T16928, ASTME96, YBB00092003 and other standards. It adopts a three-cavity average design, which can test three identical samples at a time, greatly improving the test efficiency. Due to the large thickness of the silicone gel film product, Labthink professionally customizes the high moisture permeable cup to facilitate the moisture permeability test of the silicone gel film. The test process is simple to operate, and the cut silicon gel film sample is clamped to the moisture permeable cup to seal the cup mouth. The moisture permeable cup is then placed in the test machine and the test chamber is closed. Set the experimental parameters and start the test. The entire test process is automatically completed without manual intervention and the test results are displayed in the software.
The water vapor transmission amount of the silicone gel film can directly reflect the moisture permeability of the product, which affects the use and therapeutic effect of the product. In addition, the quality control of other physical properties such as stretching and thickness of silicone gel film still requires relevant enterprises and researchers to conduct inspection control and in-depth research. For more information about the relevant testing instruments, you can visit for specific information. Jinan Languang Electromechanical Technology Co., Ltd. is willing to enhance technical exchanges and cooperation with enterprises and institutions in the industry.
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Introduction of water vapor transmission test method for silicone gel film (scarring paste)
Key words: scar paste, silicone gel film, water vapor transmission rate scar, refers to the general name of wound surface morphology and internal tissue changes during wound healing, generally divided into superficial scar, hypertrophic scar, atrophic scar And keloids. In daily life, after burns, cut wounds, infections, etc., the collagen synthesis is accelerated, fibroblasts proliferate, and proliferative scars are easily formed, which is characterized by reddish purple color, higher than normal skin, and associated with itching. Symptoms such as swelling and pain are extremely difficult to calm down in a short period of time, causing serious physical and mental effects to the patient.