Plastic ABS Blades – Plastic blades are often found on Contemporary / Modern styled fans, and Outdoor Damp / Wet Location Fans. Plastic is found on outdoor fans specifically to avoid warping to environmental conditions. Metal Blades – Metal Blades are found typically on any Industrial or Heat Fan type.Click to see full answer. Also to know is, what is ABS fan blade?ABS plastic is used in a lot of fans, mainly because it is easy and inexpensive to manufacture. Plastic can be molded into almost any shape and can be finished to look like real wood. And ABS blades hold up well outside.Furthermore, how many blades on a ceiling fan is best? Blade pitch is one key factor that affects how much air a ceiling fan can move. Falahat and his team in 2011 found that four blades was the optimum number of fan blades, and these blades should be tilted between 45 to 55 degrees, as shown in this chart. Simply so, is a 3 blade fan better than a 4 blade fan? So, it is ideal to find three blade ceiling fans for optimum airflow that works with lesser friction. In this case, the motor load is also manageable, and you are protected from unnecessary noises. While having four blades might improve the aeration, it can increase the amount of load on the motor.Are ceiling fan blades interchangeable?Replace ceiling fan blades with the same size blades. Universal replacement blades are available at home improvement and lighting stores. You can contact your fan’s manufacturer for replacement blades if you are unable to find the correct replacement sizes.

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