A/C black rubber insulation kit (1/2 "(13mm)) It is high quality rubber, it closely fits the air conditioning pipeline, it can effectively insulate, and it greatly reduces cold heat conduction, which helps improve the energy efficiency of air conditioning. At the same time, this kit has good flexibility, easy to install, but also can buffer vibration, reduce operation noise, for the stable, quiet and efficient operation of air conditioning to provide strong support.


SINO materials was founded in 2014, and is also a joint venture with SINO-US. We are a professional manufacturer of all different specifications of PE, black rubber and K-FLEX insulated copper pipe for HVAC applications. We also manufacture PVC line set covers and other accessories for use in many different HVAC applications.
All of our insulated copper meets the ASTM B280 and UL94 standards to ensure the quality and integrity of our products. Our manufacturing facility covers more than 300,000 square feet and there are 7 production lines allowing us to satisfy orders quickly and reduce the amount of time it takes for delivery of our products.
We mainly produce pure insulated copper pipe, copper-aluminum insulated pipe, air conditioning corrugated threaded pipe, white PE insulated pipe, black rubber insulated pipe, and also have a wide array of decorative PVC duct covers and fittings.
Our products are sold worldwide, mostly for the U.S., Australian, and European markets. Our top priorities are to adhere to the highest quality standards, and to have the highest customer satisfaction for our products. We have created a one-stop procurement service for many different refrigeration and HVAC applications. We manufacture superior quality products to satisfy every order and will cooperate with companies from around the world for the necessary teamwork to achieve the greatest amount of success.









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