myالوثائق الفنية
Blocked diamine. Used as an accelerator for moisture curing in 1 pack polyurethane systems.
تفاصيل
نوع المنتج
تطبيقات
منتج
التركيب الكيميائي
cycloaliphatic diamine
مزايا
- very low reactivity towards isocyanate groups
- reduces the curing time at both ambient and higher temperatures by about 50%
تطبيقات أخرى
Adhesives
تخزين
Vestamin A 139 can be stored in unopened containers for at least one year without loss of quality
معاملة
For systems based on Vestanat IPDI it is recommended to use an amount of Vestamin A 139 equivalent to 50-60% conversion with isocyanate groups.As a general rule, approximately 1.5 g Vestamin A 139 should be used for every 1 g of NCO in the formulated paint.
معلومات تقنية
| كمية | قدر | وحدة | التعلیق |
|---|---|---|---|
| خصائص المظهر | |||
| Color | <150 | َApha | DIN/ISO 6271 |
| Appearance | Transparent | ||
| Physical state | Fluid | ||
| الخصائص الفيزيائية | |||
| Flash point | 240 | ºC | DIN 51794 |
| Viscosity | 20 - 30 | cP | DIN EN ISO 3219;at 23°C |
| Density | 0.86 | g/ml | DIN 51757; ASTMD 1481; at 25°C |
| Purity | >96 | % | GC |
| الخصائص الحرارية | |||
| flash point | 77 | ºC | closed cup; DIN 51758 |
| flash point | 130 | ºC | open cup; DIN 51584 |
| الخواص الكيميائية | |||
| Equivalent weight | 140 | g/eq | |
| Amin number | 400 ± 10 | mg KOH/g | DIN ISO 3771 |
| Shelf Life | >12 | month | |