Bostik PU91 Construction Polyurethane Sealant Grey 300ml

Professional-grade polyurethane, developed for construction joints subject to high movement. High modulus, elastic, bubble, and primer-free and is suitable for interior and exterior applications.

Features:

• This PU sealant has a high modulus formulation and is extremely elastic with up to 25% movement capability.
• Suitable for interior and exterior applications, Bostik PU91 can weather environmental stress and is ideal for sealing joints that will experience a lot of movement and traffic, such as gallery floors in high rises, or warehouse floors.
• It has a 25% flexibility, which allows the user to move freely.
• In order to accommodate construction joints that move a great deal, this product was developed.
• The material is extremely elastic.
• Modulus of high strength.
• There are no bubbles nor primers on this product.
• The product can be used on both the interior and exterior of the house.

Technical data:

• Brand - Bostik
• Product Type - PU91 Construction Polyurethane Sealant
• Colour - Grey
• Size - 300ml
• Odour - Slight
• Composition - Gel Polyurethane
• 100% Modulus - 1.0N/mm²
• Application Rate - 125g/min
• Application Temperature - 5°C To 40°C
• Curing Time - 2-3mm / 24hrs
• Temperature Resistance - -40°C To 120°C

Standards & Certifications:

• Meeting the requirements of BS EN 15651:2017- parts 1 and 4; Sealants for façade and pedestrian walkway joints.

Please Note:

• Cannot be applied to surfaces which are wet or have frost or ice on them.
• Will not resist abrasion in floor joints.
• Do not use in swimming pools.
• Do not use for aquarium applications.
• Prevent entry of uncured sealant into drains or watercourses.
• Do not use on or against bitumen.
• Not suitable for bedding double glazed/insulating glass units into frames.
• Not suitable for pedestrian walkways.
• Not suitable for PE, PP, PC, PMMA, PTFE, soft plastics, neoprene, and bituminous substrates.