Vestanat® TMDI

Mixture of 2, 2, 4- and 2, 4, 4-trimethyl-hexamethylene diisocyanate. It exhibits low viscosity, high flexibility and excellent compatibility with polyols. Used for manufacturing of urethane modified resins for coatings.

تفاصيل

تطبيقات
منتج
التركيب الكيميائي

Mixture of 2,2,4- and 2,4,4-trimethyl-hexamethylene diisocyanate

مزايا
  • low viscosity
  • high flexibility
  • excellent compatibility with polyols
  • resistance to weather and light
  • more reactivity than cycloaliphatic diisocyanates
تطبيقات أخرى

Coatings

معاملة

It is recommended to use 0.001 to 0.01% dibutyl tin dilaurate (DBTDL), if acceleration is necessary.

معلومات تقنية

كمية قدر وحدة التعلیق
خصائص المظهر
Appearance Colorless liquid
Color <10 َApha DIN /ISO 6271
الخصائص الفيزيائية
Purity >99.5 % Gas chromatography
Density 1.010 - 1.016 g/ml ( 20°C, DIN 51 757 (ASTM D 211
Viscosity 5 - 8 cP 23°C, DIN EN ISO 3219
Vapor pressure 0.002 mm-Hg 20°C
الخصائص الحرارية
flash point 148 ºC ( closed cup (DIN 51 75
الخواص الكيميائية
Chlorine content <10 ppm
NCO Content 39.7 - 40 % (EN ISO 11 909 (ASTM D 257