Trelleborg's hollow shell fillers range from our hollow glass microspheres, called Eccospheres® to our Hollow shells that can be any shape or size and come in a range of materials.
Trelleborg has over 60 years of experience manufacturing Eccospheres®. Both Eccospheres® and Trelleborg's hollow shells are used extensively in many industries including aerospace, motor sport, defense, buoyancy and life sciences.