Fosroc – Nitoseal MS300

One part, floor joint sealant

Nitoseal MS300 is suitable for sealing saw-cut and movement joints in internal floors, and external joints where abrasion resistance is required. It can also be used for external facade joints where a tougher seal is required.

• Factory floors
• Sports stadia terracing
• Shopping centres
• Warehouse and distribution depots
• Concrete hardstanding areas
• Prisons

Advantages

• Suitable for forklift truck traffic
• Suitable for saw cut and perimeter joints
• Abrasion-resistant
• Withstands vehicular traffic
• Single component
• Fast rate of cure
• Easy to apply at low temperature
• Can be applied to damp substrates
• Primer-less for most applications (see “Priming” section)
• Hard, but flexible sealant; resists picking and vandalism

Description

Nitoseal MS300 is a one-part, high modulus sealant based on hybrid silyl modified polyether technology. It has a rapid rate of cure and forms a tough elastomer capable of supporting heavy wheel loads.

Nitoseal MS300 may be applied between 6mm and 20mm wide, for trafficked joints (up to 40mm non-trafficked). In most cases, it is recommended to form a sealing slot with a square cross-section, subject to a minimum 10mm depth. To ensure the sealant operates within its stated movement accommodation capacity the sealing slot widths should be designed in accordance with the recommendations of BS6093.

Standard compliance

ISO11600 Type F 25HM: Classification of sealants for building construction.

ASTM D2203-93: Standard test method for staining.

BSEN 140-3:1995: Acoustics measurement of sound insulation in buildings.

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