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Admixture Grenade Stops Corrosion In Reinforced Concrete Download in Word format

September 27, 2001 For Immediate Release

Admixture Grenade Stops Corrosion In Reinforced Concrete

Cortec® Migrating Corrosion Inhibitors™ are now packaged in water-soluble PVA bags known as MCI® Grenades™. The MCI® Grenade™ provides a very convenient method for adding pre-measured MCI® to ready mix, mortar, or grout. No special safety equipment or handling precautions are needed. No chemical dosages or mixing instructions are required. The operator simply adds 1 bag for per 1 cubic yard of material.

Utilizing Cortec's patented MCI® technology, the Grenades™ allow the user to easily include corrosion protection for reinforcing steel, galvanized steel and other metals embedded in concrete induced by carbonation, chloride and atmospheric attack. The required dosage is not affected by chloride concentration from de-icing salts, salt water, or other chlorides. The MCI® migrates to all types of reinforcing metals, rebar and mesh to form a protective, molecular layer against the deteriorating effects of rust and corrosion.

MCI® Grenades™ can added to concrete at the ready-mix plant, directly to the ready-mix truck drum or to portable mixers. The PVA bag easily dissolves in water within approximately two (2) minutes. As the MCI® mixes in the concrete, the PVA bag dissolves completely. The MCI® admixture does not affect air entrainment, compressive strength or set time. For new structures, use of Cortec's MCI® admixture chemistry doubles the time to initiation of corrosion and reduces the corrosion rate up to five (5) times over the life the structure.

The product is also offered as an MCI® Mini Grenade™ for small batch repair mortars and grouts. One (1) Mini Grenade™ is used for å¸ cubic foot of material. For repair mortars and grouts, the MCI® will migrate through the densest concrete toward rebar and wire mesh to provide effective corrosion protection.

As a new generation admixture, MCI® Grenades™ are environmentally sound. In addition to being non-toxic and non-flammable, they do not contain calcium nitrite and are fully biodegradable. No special safety or disposal precautions are required making them an ideal admixture for today's environmental concerns and ecologically sensitive areas.

Photo: High resolution photo tif of Cortec® MCI® Grenade is available for download above.

Company Description:
Cortec® Corporation, a pioneer in Vapor Corrosion Inhibition technology, is located in White Bear Lake, Minnesota. Cortec manufactures a variety of corrosion inhibiting and rust-preventive systems based on Vapor Corrosion Inhibition technology.

Cortec Website: www.CortecMCI.com    Phone: 1-800-426-7832   FAX: (651) 429-1122