Our factory's insulation I-shaped brace, also known as I-shaped strip, pultruded strip, and ventilation strip, is a high-performance insulation profile specially used in the power and electrical industry. Made of high-content unidirectional alkali-free fiberglass and high-quality thermosetting resin, it is finely manufactured through automatic continuous pultrusion and high-temperature curing processes, with a fiber content of up to 70%, which greatly improves the structural stability and mechanical properties of the product.