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Sazilast 24 Klassik — polyurethane sealant for panel joints
Sazilast (SAZI)

Sazilast 24 Klassik — polyurethane sealant for panel joints

Joint sealants

The classic formulation of the range is designed for medium application temperatures — from −15 to +40 °C — and has a fairly low viscosity. Sazilast 24 Klassik is a two-component polyurethane sealant for moving panel joints in above-ground parts of buildings and for facade cracks. The joint works at a movement of ±25% and at temperatures from −60 to +70 °C, and the predicted service life is 10 conventional years. It is supplied in kits of 16.5, 12 and 6.6 kg.

Specifications

ManufacturerSazilast (SAZI) — OOO PK “SAZI”, Ramenskoye
Typejoint sealants
Usejoints and junctions
Basetwo-component non-shrinking polyurethane sealant (A — polyol, V — polyurethane prepolymer)
Colourwhite, grey
Packagingkits of 16.5 kg, 12 kg and 6.6 kg
Application methodmix components A and V with a low-speed drill at 300–350 rpm for at least 10 min; in cold weather condition to +15…+25 °C before mixing; do not add solvents or water; substrate damp but not wet, cleaned; a compressed polyethylene foam backer rod is placed in the joint (no three-sided adhesion); apply by spatula; working layer from 3 mm to 1/2 of the joint width
Application temperaturefrom −15 to +40 °C
Curingpot life at least 6 h at 23 °C; full cure 7 days at 23 °C
Key propertiespermissible movement amplitude ±25%; nominal tensile strength at break at least 0.2 MPa; elongation at break at least 300% (on joint specimens); cohesive failure; Shore A hardness after 24 h 20–30; flow not more than 2 mm; density 1.6 g/cm³; dynamic viscosity (0.3 / 13.5 s⁻¹, 25 °C) at least 1150 / not more than 85 Pa·s; service from −60 to +70 °C; predicted service life 10 conventional years (3 mm layer, ±25%)
Layer thicknessworking layer at least 3 mm, not more than 1/2 of the joint width
Consumption96 g/linear m (20 mm joint, 3 mm layer)
Shelf life6 months at −20…+30 °C in undamaged packaging, protected from moisture, dust and direct sunlight
StandardsSTO 032-37547621-2016; GOST R 59522-2021, classes 1 and 3P; certificate of conformity for “Sazilast 24” (manufacturer OOO PK “SAZI”, production — Ramenskoye)

Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.

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