High-modulus adhesive sealant SiMP-Seal 25 HM NPT Sigill

What it is

NPT SiMP-Seal 25 HM is a one-component, high-modulus construction sealant based on SiMP (silyl-modified polymer), which cures with atmospheric moisture. It is free of solvents and isocyanates, non-sag, and seals and bonds at the same time. Shore A hardness 28, elongation at break 460%, joint movement ±20%. Certified EN 15651-1/3/4 (F INT-EXT, XS3, PW) and ISEGA for food contact; white, black or grey.

Sealant is a paste product, in cartridges or tubes, that fills and seals joints and gaps, either remaining elastic or curing hard (silicones, polyurethanes, acrylics, hybrids, construction adhesives).

What it is for

Used for structural and assembly bonding and for sealing joints, gaps and service penetrations.

How to use it

Clean and dry the joint edges, insert backer rod if needed and mask the edges with masking tape. Cut the nozzle at an angle to the width of the joint, extrude the product with the gun in a continuous bead and tool it with a wet spatula before it skins over. Remove the tape immediately and allow the full curing time before stressing the joint.

Where it is used

• Residential construction
• Renovation

Technical data

• Type: Single-component high-modulus construction sealant
• Base: SiMP (Silyl Modified Polymer), moisture-curing
• Colour: white, black, grey
• Shore A hardness: 28
• Specific weight (g/cm³): 1,51
• Open time (min): 50
• Elastic modulus at 100% (N/mm²): 0,6
• Tensile strength (N/mm²): 1,6
• Elongation at break (%): 460
• Joint movement capacity: ±20% of the joint width
• Application temperature (°C): +5 / +40
• Pack: 290 ml PE cartridges (12 pcs/box); 600 ml foil packs (20 pcs/box)
• Standard: EN 15651-1/3/4 type F INT-EXT / XS3 / PW EXT-INT CC; ISEGA (CE 1935/2004)

Who it is for

Designed for waterproofing specialists, building maintenance operatives, bricklayers and wall tiling and cladding fitters.

Standards and safety

EN 15651 1 EN 15651 ISO 37 ISO 11600 LEED iEQc 4.1 EMICODE EC1PLUS CARBVOC CARB VOC SCAQMD 1168 BAAQMD Reg 8 Rule 51 BAAQMD Reg 8 Rule 51 CARB VOC regulation FIELDS OF APPLICATION SiMP DIN 53505 DIN 53504 ISEGA

Product code: SIMPSEAL25HM

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Before you order

In your request, please state the colour and the quantities required, so we can give you the right quotation first time.

For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.