ZY－201 Combined polyether (handicrafts filling material)
1, Properties and Application
The material is one kind of non-CFC combined polyether materials for handicrafts filling developed by our company. Because of its inherent superior performance, it has more and more extensive application in handicrafts in recent years and the trend of replacing or in part replacing POLY (UPR).It contains various additives needed for producing rigid polyurethane foam.
Characteristics of such a combined polyether foam material are as follows:
-- light weight, non-friable and good strength
-- It doesn’t contain CFC and is beneficial to the environment
-- simple shaping process and convenient operation
-- high production efficiency and low cost
2, The physical and chemical properties
| Exterior |
|
Light yellow sticky liquid |
Testing methods |
| Density |
20℃ g/ml |
About1.10 |
|
| Viscosity |
25℃ mpas |
About500-700 |
GB/T12008.8-92 |
| Hydroxyl value |
mgKOH/g |
About350-450 |
GB/12008.3-89 |
3, Recommended formula
| A amount (white material) |
ZY-201 combined polyether |
100 |
| B amount (black material) |
Isocyanate (PAPI) |
100－110 |
4, Reaction properties with PAPI (stirring foam with manual electric drill, material temperature 20 ° C)
| Stirring time |
8seconds |
| Whitening time |
25-40seconds |
| Drawing time |
85-108seconds |
| Non-stick time |
115-143seconds |
| Density of free foam |
50-80kg/m3 |
| (Note: Reaction properties can be adjusted according to user’s requirements.) |
5, Typical bubble performance
| Project |
Unit |
Indicator |
| Overall density |
kg/m3 |
75-120 |
| Hardness |
Shore C / ≥ 65 degrees |
≥65 |
| Dimensional stability(24h-30℃ |
V% |
≤0.7 |
|
