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Stormwater Chambers Thermoformed from Coextruded Sheet Material
A thermoformed storm water chamber has an exterior surface formed of first layer having an increased reflectance additive and an interior surface formed of a second layer. The increased reflectance additive is a pigment (other than a black pigment) or may be a mineral component. Optionally, a supplemental ultraviolet and/or antioxidant protection additive is also provided in the first layer. The thickness of the first layer is less than the thickness of the second layer, optionally in a 20%/80% of total thickness ratio. The two layers may be made from the same or different HDPE or blends thereof.
Stormwater Chambers Thermoformed from Coextruded Sheet Material
A thermoformed storm water chamber has an exterior surface formed of first layer having an increased reflectance additive and an interior surface formed of a second layer. The increased reflectance additive is a pigment (other than a black pigment) or may be a mineral component. Optionally, a supplemental ultraviolet and/or antioxidant protection additive is also provided in the first layer. The thickness of the first layer is less than the thickness of the second layer, optionally in a 20%/80% of total thickness ratio. The two layers may be made from the same or different HDPE or blends thereof.
Stormwater Chambers Thermoformed from Coextruded Sheet Material
DITULLIO ROBERT J (author) / HERLACHE RUSSELL L (author)
2020-02-13
Patent
Electronic Resource
English
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