Acid‑alkali Resistant Pe Pp Membrane For Chemical Tank Pit Product Advantages Strong adaptability to damp substrate: It can be constructed directly on damp substrates without standing water and full drying, adapting to humid environments such as basements and bathrooms, effectively shortening the construction period. Firm bonding and anti-channeling water: The double-sided polypropylene mesh fiber occludes and penetrates with cement adhesive to form a seamless structure,