The Universal Selection Source:
Adhesives Ingredients

Nytex 840

Technical DataSheet | Supplied by Nynas

Nytex 840 by Nynas is a highly refined 2000 SUS, heavy naphthenic oil. Acts as a plasticizer. Nytex 840 has a glass-transition temperature of -57 °C and a viscosity of 380 cSt at 40 °C. It has a total PAH content well below 10 ppm (EN 16143) and the DMSO extractable amount below 3%. It shows excellent compatibility with E-SBR, S-SBR and functionalized S-SBR, synthetic and natural rubbers. The solubility of naphthenics is also beneficial in silicone sealants and antiflutter adhesives. Used in flooring applications. Nytex 840 meets the toughest global health and safety requirements.

Nytex 840 Product details

Product Type
  • xxxxxxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxx
Chemical Composition
CAS Number
Physical Form
Clear, Bright
Product Status
Applications/ Recommended for
  • xxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxxxxxxx
Labels/Agency Rating

Nytex 840 Properties


Value & Unit
Test Condition
Test Method
Density @ 15°C, D 4052
xxxxx kg/dm3
Viscosity @ 40°C, D 445
xxx cSt
Viscosity @ 100°C, D 445
xx cSt
Flash point, PM, D 93A
xxx °C
Pour point, D 97
xxx °C
Volatility, 107°C, 22h, D 972
xxx %wt
Sulphur, D 2622
xxxx %
Aniline point, D 611
xx °C
Refractive Index, 20 °C, D 1747
Viscosity-Gravity-Constant, D 2501
UV absorptivity at 260 nm, D 2008
xxx l/g.cm
Color, D 1500
Total acid number, D 974
xxxxxx mg KOH/g
Hydrocarbon Type Analysis, CA, IR-method
xx %
Carbon-Type Composition, CA, D 2140
xx %
Carbon-Type Composition, CN, D 2140
xx %
Carbon-Type Composition, CP, D 2140
xx %
DMSO extractible compounds, IP 346
xxx %wt
Melting point/freezing point
xxx °C
Initial boiling point
xxxxx °C
Vapour pressure, room temperature
xxx Pa
Auto-ignition temperature
xxxxx °C
Decomposition temperature
xxxxx °C
Partition coefficient: n-octanol/ water
Flash point, COC, D 92
xxx °C

Solubility Properties

Test Condition
Test Method
Insoluble in
Last edited Dec 7, 2017
Back to Top