Features

• High strength
• Good elasticity
• Conforms to ISO 11600-F&G-20LM
• Resistant to ozone, ultra-violet radiation and temperature extremes

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Product Data Sheet

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Arbo Arbomeric MP20 is a one part high modulus modified polymer sealant which cures on exposure to moisture vapour to form a tough but elastic rubber.

Arbo Arbomeric MP20 is recommended for use in many forms of construction including structural joints in heavy cladding, structural movement joints in floors and floor joints in heavily trafficked areas.

NB Not recommended for joints in lightweight cladding and swimming pools.

Is over-paintable once fully cured; pre-use tests are advised to demonstrate compatibility with individual paints.

Colours

• Buff
• Grey
• Limestone
• Portland
• White
• Black

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Fosroc 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. Fosroc Nitoseal MS300 is also available in a non-tainting grade suitable for food area applications (Nitoseal MS300FG)

Product Code: FOSMS300

Fosroc 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.

Uses

• 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

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 20mmwide, for trafficked joints (up to 40mm non-trafficked). Inmost 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.

Preparation

Joints in concrete should preferably be sawn. After sawing all saw slurry must be flushed away and the joint allowed to dry.
When resealing the existing sealant should be removed from the joint and the arris cleaned back to sound clean concrete.
Remove all debris. The joint surfaces must be dry, clean and frost free. Remove all contaminants by rigorous wire brushing, grinding or grit blasting.
Any expansion joint filler must be checked to ensure it is tightly packed and no gaps or voids exist at the base of the sealing slot before positioning a bond breaker.
Note: The use of a bond breaker is not required in expansion joints containing Hydrocell XL cellular polyethylene expansion joint filler. For construction or contraction joints a bond breaker tape or back-up strip should be used. Where a particularly neat finish is required, mask the face edges of the joint before priming/sealing and remove immediately after tooling is completed.

Priming

Fosroc Primer MS2 is required for joints that are to be intermittently or permanently immersed, or where the substrate is likely to be saturated (for example, externally).
When using a primer, empty the entire contents of the hardener tin into the base tin and replace the base tin lid. Mix thoroughly by shaking for at least 2 minutes. Prime the joint face using a clean, dry brush. Avoid over application of primer causing puddles in the bottom of the joint. Nitoseal MS300 should be applied between 30 minutes and 4 hours after priming.
If a joint is left unsealed for more than 4 hours, the primer should be removed by grit blasting or grinding and the joint re-primed. Do not split packs of Fosroc Primer MS2

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Product Code: SL8130

ARBO 1081 adhesive sealant is a one part acetoxy cure silicone, recommended for Baths, Showers, Sinks, Wash Basins, Kitchen Worktops and many other Sanitary applications

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Silicone HM60 is a premium, high modulus sealant that is typically used for sealing to non-porous substrates. Contains a fungicide to inhibit mould growth making it ideal for areas subject to high levels of humidity.

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