Product Introduction

Vila Insul Group one-component mastic is an advanced elastomeric sealant and protective coating used as a vapor and moisture barrier in low-temperature insulation systems. With a one-component, ready-to-use formulation, this product enables fast and easy application.

After drying, this mastic creates a flexible, tough, and fire-resistant layer that protects thermal insulation against environmental factors. It is an ideal product for insulating tanks, pipes, ducts, and fittings in various industries.

Main Applications

• Low-temperature insulation: protection of polyurethane and polyisocyanurate insulation in cooling systems
• Oil and gas industries: sealing insulation on pipelines and storage tanks
• HVAC systems: sealing aluminum duct connections
• Food and pharmaceutical industries: insulation of cold storage and cold rooms
• Building construction: sealing expansion joints and prefabricated connections

Technical Specifications and Key Features

Performance Features

• Service temperature range: -46°C to +104°C

• Water vapor permeability: very low (in accordance with ASTM E96)

• Pot life: 1 to 2 hours at 25°C

• Touch dry time: 5 hours under standard conditions

• Full dry time: 48 hours

• Flash point: 43°C

Safety and Environmental Features

• Free of harmful substances: no asbestos, lead, mercury, or mercury compounds

• Fire resistance: self-extinguishing properties

• Chemical stability: resistant to many industrial chemicals

• Flexibility: maintains elastic properties over a wide temperature range

Competitive Advantages of Vila One-Component Mastic

• One-component: no mixing required, reducing application errors
• Ready to use: saves time and labor
• Excellent adhesion: effective bonding to metal, mineral, and polymer surfaces
• Long service life: maintains performance under harsh environmental conditions
• Adaptability: can be applied by trowel, brush, or spray

Application Instructions

Surface Preparation

• Surfaces must be completely dry, clean, and free of dust

• If rust or old coatings are present, the surface must be cleaned

• Ambient and surface temperature should be between 10 and 35°C

Application Method

• Troweling: use a clean trowel with long, uniform strokes

• Brushing: apply a uniform layer with a suitable brush

• Spraying: for large and complex surfaces (with special equipment)

Important Application Notes

• Do not dilute the product

• If work is interrupted, close the container lid completely

• Recommended thickness: 0.5 to 1.5 mm

• Store at temperatures below 40°C

Quality Standards

Vila Insul Group one-component mastic is manufactured in accordance with the following international standards:

• ASTM E96 (water vapor permeability test)

• ASTM D3278 (flammability)

• ASTM D1640 (drying time)

• Domestic standards of the Iran National Standards Organization