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DURA-SEAL
DURA-SEAL
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DESCRIPTION

DURA-SEAL PS is a specially formulated polysulfide solvent-free two-component edge sealant hardened by classical reaction of interaction of end SH-group with manganese dioxide.

DURA-SEAL PS is delivered in the form of a set consisting of component A (base) and component B (curing agent) mixed just before application. After mixing of components, the sealant forms thixotropic and easily applied paste.

After hardening as result of chemical reaction the elastic rubber-like material with high strength properties, resistance to vibrations and atmospheric actions is formed, it has excellent adhesion to surfaces ranging from glass, aluminum to stainless and zinc galvanized steel.

 

AREA OF APPLICATION

DURA-SEAL PS is a secondary edge sealant for use in insulation glass systems. DURA-SEAL PS provides mechanical strength, protects primary sealant and ensures an additional barrier for penetration of water moisture inside insulation glass unit and diffusion of gases.

 

ADVANTAGES

low viscosity;

easy application;

optimal curing speed;

excellent adhesion;

enhanced UV resistance;

continuous flexibility

 

  1. TECHNICAL CHARACTERISTICS

 

Appearance

beige colored paste (component A), black colored paste (component B)

Density (ISO 1183-1), g/cm3

1.80±0.05 (component A), 1.60±0.05 (component B)

Pot life at 23°C, minutes

30-60

Hardness after 3 hours (ISO868), Shore A

25

Hardness after 24 hours (ISO868), Shore A

≥40

Tensile strength (EN1279-4), N/mm²

≥0.7

Volatile content (EN1279-6), %

<2

Application temperature, °C

+15…+30

 

METHOD OF APPLICATION

DURA-SEAL PS component A shall be used only with DURA-SEAL PS component B. For a dosage of components, preparation and application of the sealant mixture, it is necessary to use the special equipment or tools.

Pot life of the sealant ranges from 30 to 60 min. depending on a batch of the sealant, mixing ratio of components and environmental conditions.

 

MIXING RATIO (A:B)
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100:10 by volume/ 100:9 by weight


STORAGE

Components of the sealant should be stored in the closed dry conditions protected from direct sun, atmospheric precipitation and mechanical damages. The recommended storage temperature: +5°C …+30°C.

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