Performance Where It Matters Most
From molten metal to composite coatings, Midwest Perlite delivers consistent, high-performance mineral solutions for demanding industrial uses.
Perlite Beyond the Ordinary
Expanded perlite is more than a horticultural additive, it’s a versatile mineral solution used in extreme heat, chemical resistance, and lightweight filler applications across a wide range of industries. Midwest Perlite provides reliable supply, technical guidance, and custom sizing for your specific process needs.
Whether you need a refractory blanket, a fire-rated door core, or an engineered filler material, we’re here to help you get it right.
Where Midwest Perlite Performs
High-Temperature Insulation
Used in steel mills and foundries for ladle topping, insulating refractories, and maintaining molten metal temps.
Filler for Composites & Coatings
Perlite flakes, bubbles, and microspheres used in resins, plasters, doors, paints, and cultured stone for crack resistance and weight reduction.
Well Cementing Additive
Lightweight, heat-tolerant additive for oil, gas, water, and geothermal well cement. Replaces gel and fly ash with superior workability.
Acoustic & Fire-Rated Products
Ideal for lightweight, fire-resistant acoustic tiles and wall systems. Inert, non-combustible, and easily blended.
Technical Advantages of Industrial Perlite
Service temperature up to 1100°C
Chemically inert and pH neutral
Low density: 2–15 lb/ft³
(32–240 kg/m³)
Will not off-gas or release VOCs
Excellent insulating & fire-resistant properties
Custom particle sizing available
Natural, Inert, and Safe
Unlike synthetic fillers or high-impact minerals, expanded perlite is a naturally occurring volcanic glass expanded using only heat. It produces no VOCs, is non-toxic, and contributes to safer indoor air and environmental standards, ideal for manufacturers committed to sustainable sourcing.
Resources
High Temperature Applications for Perlite
Perlite as a Filler
Perlite for Formed Products
Let’s Talk Specs
Need help integrating perlite into your formulation, manufacturing process, or thermal design? We’re ready to collaborate.
sales@midwestperlite.com
(920) 731 2671
4280 W. Parkway Blvd.
Grand Chute, WI 54913