Liner material is material used to make lining for various applications, chosen based on need for waterproofing, chemical resistance, strength, and flexibility. Common liner materials include plastic polymers like polyethylene PE, high density polyethylene HDPE, low density polyethylene LDPE, linear low density polyethylene LLDPE, polypropylene, polyvinyl chloride PVC, and ethylene propylene diene monomer EPDM rubber. For pond and landfill liners, HDPE and EPDM are common because waterproof, UV resistant, and durable, with HDPE thickness 20 to 60 mil. For trash bin liners, low density polyethylene is common. For clothing liners, materials include cotton, polyester, nylon, silk, and fleece. For feminine panty liners, materials include cotton, absorbent polymer, and breathable back sheet. For drum liners, polyethylene and polypropylene. For chimney liners, stainless steel and clay tiles. For pool liners, vinyl PVC. So liner material is typically polymer film, fabric, rubber, or metal used as protective inner layer, with specific material selected for waterproofing, chemical resistance, comfort, and durability.
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