Introduction
C401 series combination polyether, using HFC-245fa/HFC-365mfc foaming, ozone consumption value (ODC) is 0, the foam surface is good, the pore is even and delicate, the thermal conductivity is low, the mobility is better, the dimensional stability is higher.
Typical physical properties
C401 series | standard | |
Appearance | Light yellow transparent liquid | / |
Viscosity at 25 ° C, MPa. S | 200~800 | GB/T 12008.8-1992 |
proportion | 1.01 ± 0.10 | ISO 2811 |
Hydroxyl value, mg KOH / g | 320 ±100 | GB/T 12008.3-1989 |
Moisture content, (%) | 0.5~2.5 | GB/T 12008.6-1989 |
Reaction characteristics
Manual mixing | data |
Raw material temperature 22 ± 1 ° C | |
Stirring time, seconds | 6~8 |
Milky time, seconds | 12~20 |
Drawing time, seconds | 45~75 |
Free foam density, Kg / m3 | 30.0~33.0 |
High pressure machine mixing | |
Raw material temperature 22 ± 1 ° C | |
Milky time, seconds | 9~15 |
Drawing time, seconds | 40~65 |
Free foam density, Kg / m3 | ≥33 |
Note: the above data are laboratory data, and the customer's field data will be different due to different equipment and conditions.
Typical foam properties
project | data | standard |
Core density | 30~33 | GB/T 6343-2009 |
Compressive strength (kPa) | ≥150 | GB/T 8813-2008 |
Dimensional stability (-30 ℃ 24h),% | ≤1.0 | GB/T 8811-2008 |
Thermal conductivity at 15 ℃ (mW / m.K) | ≤22 | GB/T 10295-2009 |
Storage and transportation
Packed in iron drum with net weight of 200kg; packed in rubber drum with net weight of 1000kg; packed in tank car with net weight of 20-30t
Storage and transportation matters attention
During storage and transportation, attention shall be paid to ventilation, shade and dryness to avoid sun and rain. Under suitable conditions, the storage period is 6 months. This product is a non flammable and explosive liquid.
