Facilities & Chemicals

LLDPE (Linear Low-Density Polyethylene) geomembranes are highly flexible, durable, and chemically resistant synthetic liners widely used in environmental, geotechnical, and civil engineering applications. With superior stress crack resistance, elongation, and UV stability, LLDPE geomembranes are ideal for landfill liners, ponds, mining containment, and wastewater treatment. Available in thicknesses ranging from 0.5 mm to 3.0 mm, they offer excellent puncture resistance …

High-Density Polyethylene (HDPE) geomembranes, are synthetic liners widely recognized for their exceptional durability, chemical resistance, and impermeability. Made from high-quality HDPE resin and enhanced with additives like carbon black for UV stability, these geomembranes are manufactured to meet stringent international standards such as GRI-GM13, GB/T 17643 and EN 13361, ensuring consistent quality and performance. Available in both smooth and textured …

Geomembranes are essential materials in modern engineering and environmental protection projects. At Metalsin, we specialize in supplying high-quality geomembranes for waterworks projects, ensuring durability, reliability, and environmental safety. What is a Geomembrane? A geomembrane is a synthetic membrane liner or barrier used to control fluid migration in a structure, system, or project. Made from impermeable materials, geomembranes are designed to …

Waterworks projects play a critical role in ensuring the delivery of clean and safe water to communities. One of the essential components in these systems is the trash rack, also known as a bar screen or debris screen. At Metalsin, we specialize in designing and supplying high-quality trash racks tailored to meet the demands of waterworks projects. What is a Trash Rack? …

Fiberglass Reinforced Plastic (FRP) is a composite material made by reinforcing a polymer matrix with glass fibers, offering the strength and durability of fiberglass combined with the versatility of plastic. It is known for its lightweight, corrosion resistance, and high strength-to-weight ratio. In the waterworks industry, FRP water tanks have become indispensable for applications like potable water storage, wastewater treatment, …

Granular activated carbon (GAC) is a highly porous form of carbon with a large internal surface area greater than 500 m2/g, which makes it effective for removing dissolved organic materials and other contaminants from water through the process of adsorption. Water treatment with granular activated carbon is accomplished by percolating the water to be treated through dual-media/multimedia filters whereby the …

What is Polyacrylamide? Polyacrylamide, often abbreviated as PAM, is a synthetic polymer that is widely used in the treatment of potable water, wastewater, and reclaimed water.  It is formed from the monomer acrylamide and can be synthesized to have different properties depending on the desired application. Polyacrylamide commonly appears as a white or off-white powder or granular substance. It is …

Ferrous sulfate, also known as iron(II) sulfate, is a compound with the formula FeSO₄(H₂O)ₓ where x can vary between 0 and 7. It’s worth noting that the heptahydrate form (FeSO₄·7H₂O) is the most common and commercially available form of ferrous sulfate. It is used in water treatment primarily as a reducing agent, helping to remove impurities such as manganese, hydrogen …

Application and Function Ferric sulfate, also known as iron(III) sulfate, is a chemical compound with the formula Fe2(SO4)3. It’s a powerful coagulant commonly used in water treatment processes. It plays a significant role in these applications: Coagulation and Flocculation: Ferric sulfate is primarily used in the coagulation and flocculation process during water treatment. When added to water, it reacts with …

Function of Alum in Water Treatment Aluminum sulfate, also known as alum, is a chemical compound with the formula Al2(SO4)3. It’s extensively used in water treatment processes, particularly in waterworks, for various purposes such as: Coagulation: Aluminum sulfate is primarily used as a coagulant in water treatment. When added to water, it undergoes hydrolysis, forming aluminum hydroxide precipitate. This precipitate …