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LED lamp sleeve is a good silicone tube or PVC tube?
At present, the market is circulating a lot of LED light bar waterproof casing, there are PVC of silicone, product quality is uneven. A lot of friends will encounter the same problem, we choose the LED lamp is waterproof casing, should be how to choose? Is PVC good or good? The answer is yes, good silicone material.
LED lamp waterproof casing, first of all, the physical properties of silicone rubber, silicone rubber has a stable silicon oxygen chemical structure, can give a unique properties, including biocompatibility, excellent resistance to high temperature, chemical resistance, excellent mechanical and electrical properties, natural transparency and semi transparency. A large number of experiments have proved that, compared with other elastic bodies, silicone rubber showed good compatibility with human tissue and body fluid, and the tissue reaction was very low. Silicone rubber is colorless and tasteless, does not encourage the growth of bacteria, nor will it be defiled or corroded other materials. As medical products, silicone rubber formulations in accordance with FDA, ISO and the three components of the biocompatibility guide. Compared with the vast majority of elastomer, silicone rubber can withstand a wide range of temperature, the temperature changes in the -60-260 can still remain stable, and can be processed by EtO gas, gamma ray or E ray irradiation, cooking and other methods. Silicone rubber can withstand water and a variety of chemical agents, including some acidic substances, oxidizing chemicals, ammonia and alcohol. But not with silicone rubber concentration acid or solvent mixture. Silicone rubber tear strength (250ppi) and tensile strength (1500psi) are higher and elongation
(1250%) with excellent softness, low compression deformation. Soft silicone rubber can always keep its softness, the hardness of gel type silicone rubber is the lowest. Silicone rubber has excellent insulating properties and function in electrical applications, so that all comparable materials unmatched. Silicone rubber in extreme temperatures can maintain insulation and dielectric strength, ability is far more than the traditional insulation materials.
LED lamp waterproof casing with PVC compared to the advantages: high transparency, strong sealing performance, waterproof, flexible, can be arbitrarily bent, oil resistance, ozone resistance, resistance to voltage, aging resistance, high temperature, etc..
PVC of the casing, a certain degree of hardness, the time is long, easy to aging, light transmittance is not high. Waterproof performance of silica gel is better.
This paper is from Shenzhen,, id=619?
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