The invention provides a fire-resistant EPE pearl thermal insulation pipe cotton, a packaging pipe and a preparation method thereof. The pearl thermal insulation pipe cotton comprises the following components by weight percentage: 50%–80% low-density polyethylene, 5%–35% aluminum hydroxide, 2%–4% antimony trioxide, 3%–5% smoke suppressant, 3%–5% surface modification solution, 0.5%–3% antistatic agent and 2.5%–6% additives, wherein the surface modification solution is a vinyltrimethoxysilane solution. The fire-resistant EPE pearl thermal insulation pipe cotton of the invention has excellent flame-retardant effect, extremely low thermal conductivity, and both thermal insulation and fire-resistant properties. The fire-resistant EPE pearl packaging pipe of the invention adopts a double-layer structure design, the inner layer is the fire-resistant EPE pearl thermal insulation pipe cotton with flame-retardant effect, and the outer layer is an EPE coating film with high flame-retardant effect. It can safely protect aluminum-plastic composite pipes under collision and fire conditions. Meanwhile, the fire-resistant EPE pearl packaging pipe has low thermal conductivity, which can reduce heat loss of fluid during transportation and achieve excellent thermal insulation effect.
Country Code: CN
Application Number: CN202010562353.6
