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OGRAX-NSh-A fire protection plaster (weather-resistant)
OGRAX

OGRAX-NSh-A fire protection plaster (weather-resistant)

Fire protection of concreteFire protection of steel structures

At open industrial sites with aggressive environments, steel and concrete are protected with OGRAX-NSh-A plaster. The low-density dry mix is mixed with water and applied by wet shotcreting or with plastering stations over primer. The material is non-combustible and weather-resistant and works from −50 to +60 °C; fire protection is up to 240 minutes, and service under hydrocarbon fire conditions is possible. The coating is lightweight, with a service life of at least 25 years.

Specifications

ManufacturerOGRAX — GK Unihimtek, Moscow Region
Fire protection performanceup to 240 minutes; the table gives 150 and 180 min; service under hydrocarbon fire conditions is possible
Applicationsteel structures, concrete and reinforced concrete
Service conditionsindustrial (open) atmosphere, from −50 to +60 °C
Baselow-density non-combustible plaster mix, mixed with water; bulk density 320±25 kg/m³
Colourlight grey, beige-grey
Packagingmulti-layer paper or polypropylene bags with a liner
Application methodwet shotcreting in layers or plastering stations; over primer
Application temperaturefrom +5 to +30 °C, RH 50–85%
Dryingbetween coats 12 h, full drying 20–30 days
Shelf life1 year
StandardsTU 23.99.19-093-13267785-2023; GOST R 53295-2009; TR EAEU 043/2017

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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