[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

TPO卷材耐候性和抗紫外线最强、可焊接、寿命长(20年以上),但价格高、需热风焊接设备;适合外露屋面(不做保护层)和光伏屋面;SBS外露则必须做保护层否则3-5年老化开裂

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