SYNStone 300

SYNStone 300 is a one component, UV stable, aliphatic polyurethane prepolymer.

SKU: STONE Category: Tag:


SYNStone 300 is designed for binding stones and sand for the production of a synthetic stone carpet surface.


  • Solvent Free
  • No Voc
  • Low Viscosity
  • One Component
  • Enhanced UV Stability

Safety Guidelines

Always wear the recommended personal protective equipment. Avoid contact with eyes, skin, and clothing. Adequate ventilation is required during the application process.

Storage & Packaging

SYNStone 300 should be kept dry and cool. Storage temperature should be between 5°C (40°F) and 60°C (140°F). Do not expose containers to open flame, excessive heat, or direct sunlight.

Shelf life of product stored in sealed container is 12 months.

SYNStone 300 is packaged at 20 kg (approximately 5.0 gallon) and 215 kg (approximately 52.8 gallon)


SYNStone 300 is ready to use as supplied and should be mixed with dry stones and/or sand.

SYNStone 300 is 16-20% by volume. Stones and/or sand 84-80% by volume.

Installation Guidelines

The surface to be coated must be clean, dry, and free of oil, grease, dirt, and any foreign residue. This mixture should be applied with a trowel in order to obtain a uniform leveled surface.

The cure time varies with temperature and humidity. High temperature and high humidity will decrease cure time while low temperature and low humidity will increase it.


  • Do not apply over wet or damp substrates
  • Substrate and application minimum temperature: 15°C (60°F)
  • Substrate and application maximum temperature: 45°C (113°F)
  • Permissible relative humidity: 40 – 75%

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