Neoflex PU Sealant Grey(Premium-25 LM) 600 ML-20 Nos/Ctn

NEOFLEX PU 25-LM is a one-component, low-modulus polyurethane sealant that cures on exposure to atmospheric humidity. Meets the requirements of ISO 11600 F 25 LM, ASTM C-920, ASTM C 719 - Type S, Grade NS Class 25 Use NT, M.A

PROPERTIES

• Possesses permanent elasticity
• No sagging – Thixotropic
• No shrinkage
• Can be applied using a manual application gun and easily Paintable (recommended to apply elastomeric flexible paint only).
• 25 % movement capability
• Confirms to BS 6920
• Suitable for use in Potable water Tanks under special conditions
• Acoustic Sealant

AREAS OF APPLICATION

• Expansion joints between many different construction materials
• Movement and construction joints in floors
• Indoor and outdoor applications for pedestrian and traffic areas
• Joints between prefabricated construction materials
• Sealing and bonding of ventilation ducts, gutters and spouts etc
• Excellent Material for sealing joints between pre-cast concrete panels
• Conceal GRC & GRP Lining joints

METHOD OF APPLICATION

NEOFLEX PU 25 LM sealant shall be applied as per the following general method of application:

Before application, the joint surfaces should be thoroughly clean, dry and free of all contamination. Apply sealant evenly, use masking tape and remove the tape while the sealant is still tacky

Joint width/depth ratio should be 2:1

Use a high-density polyethene backer rod as a backup material to always adjust the joint width–depth ratio. Sealants should adhere to only two surfaces of the joint to Take care of the thermal expansion and contraction of the joint.

RESTRICTIONS

Avoid application below +5°C and above +45°C

Do not apply on frozen or wet surfaces or through standing water at all.

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