Technical Specification: SG-338

Trade Name Gurtex SG-338
Description Spray-on water-based, waterproof Latex Bitumen Barrier
Technology Origin USA
Appearance Dark Brownish Emulsion Paste
Chemical Components
  • Artificial Natural Rubber Latex 28%
  • Asphalt 30%;
  • Calcium Chloride 8%
  • Water (H2O) 34%.

No harmful ingredients with reference to EU Standard (EU) 1907/2006.

Solid Content 53% – 58%
Density 1.04 – 0.05g/cm³ @ 20°C (1.013hPa)
Viscosity
  • @ 25°C > 10000CPS
  • @ 40°C > 120000-140000 CPS
Solidification Time 5 seconds after contact with additive/surface
Complete Dry Time 24 Hours
Operating Temperatures Minus 25 Deg Celsius to 150 Deg Celsius
Adhesion Strength 0.97 MPA
Water penetration 0.60 MPA – 30 min
PH 9.0 – 11.0
Solubility Miscible in water forming a homogeneous solution
Elasticity
  • Elongation> 1000%
  • Recoverability @ 90%
Piercing / Punching  Non Piercing
Aging in UV Exposure Equivalent to 40 years outdoor – no change in quality
Speed up Aging Equivalent to 40 years outdoor – no change in quality
Low Temperature Flexibility Standard @ Minus 20 Degree Celsius. No cracks/ breaks detected.

Alkali / Heat / UV @ minus 15 Degrees Celsius. No cracks/ breaks detected

Elongation at Break % >/=
  • Standard @ 1000%
  • Alkali / Heat / UV 3% HCI / 3% NaOH /3% H₂SO₄ @ 800%
Peeling Off None
Coverage 2kg – 2.5 kg /m²
Dry Film thickness 1.5 mm
Flash Point 169º Celsius (Pensky Martins Method) Not self flammable
Vapour pressure <0.1 hPa, at 20º Celsius
Fire Resistance Gurtex does not burn. No explosion danger. In event of a fire, extinguish with water, foam dry chemical powder or fire-extinguisher