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SYNStone 300

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

SKU: STONE Category: Tag:

SYNStone 300

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%


Results based on

Temperature of 73°F (23°C) and 50% humidity

VOC Content

0 g/L*


1.0 – 1.1 g/cm3


2500 – 3500 cPs


Clear Yellow/Amber

*Based on

Standard formula calculation. Above figures are guide values and should not be used as a base for specifications. Consult the Material Safety Data Sheet/Safety Data Sheet for more details.


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