Formrok 28U is a low modulus, one component Polyurethane Sealant for filling and sealing joints in building construction. It is elastic, weather-resistant, non-sagging, and water tight excellent adhesion to practically surfaces. There is no need for a primer.

FEATURES AND BENEFITS

Excellent recovery capacity

High resistance to weather and ageing. Resistant in tropical cil

Does not harden over time, even at temperatures between

Does not exhibit thermoplasticity. (Does not soften with heat

Excellent UV resistance

Single component, easily applied

User friendly -excellent extrud,

FIELDS OF APPSCATION

Interior and exterior use

Joint sealant for walls, and ceilings

Joint sealant for expansion joints in

Sealant for prefabricated concrete elements

Use in permanently submerged surfaces

Use on joints with up to 25% movement

ĐẶC TÍNH KỸ THUẬT

APPLICATION

The product is supplied ready for application. Cut open the foil sausage (or the nozzle) at one end and place in a manual or pneumatic gun and apply immediately. The product should be tooled smooth with a spatula or with non alcoholic liquid to create a concave surface free of bubbles. It can be applied directly both horizontally and vertically.

JOINT DESIGN

The width of the joint must be included between 6 and 40 mm. For the width of joint lower or equal to 10 mm, the depth of the joint must he equal to its widht. For the widths of joints more than 10 mm the depth of the joint must be appoximately of its width.

COLOUR

Grey, White other colours available on request (minimum batch quantities)

SHELF LIFE

12 months from production date, in original unopened packaging and protected from humidity.

COVERAGE

Applicable joint length with a 310 ml cartridge (in metres)

HEALTH AND SAFETY

Formrok 28U contains isocyanates. Irritating to skin. Risk of serious damage to eyes. Keep out of reach of children. Do not breathe dust. Avoid contact with skin and eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves and eye / face protection. Provide good ventilation if handling bigger quantities or in enclosedareas.