Low Pentane
Low pentane grade is formulated to have a lower residual volatile content, with the Pentane Level specified between 4.5% and 5.5%. Its processing advantages include short cycle times and good surface finish, and it is utilized for various packaging applications, including large packages, medium packages, and small items.
A.Characteristic
High strength
Outstanding impact absorption
Short cycle times
Good surface finish
B.Properties of beads
| Specification | LSB | LS | LS2 | LS3 |
|---|---|---|---|---|
| Bead Size | 1.2-1.8mm | 0.9-1.3mm | 0.7-1.0mm | 0.5-0.8mm |
| Density | 20~30kg/m³ | 22~30kg/m³ | 24~30kg/m³ | 24~30kg/m³ |
| Application | Plate Large Package | Medium Package | Package-thin item | Package-small item |
| Humidity | ↓1% | |||
| Specific Gravity | 1.03 | |||
| Pentane Level | 4.5~ 5.5% | |||
C.Processing condition
| NO | Item | Low Pentane |
|---|---|---|
| 1 | Pre-forming Steam pressures | 0.12 Kg/Cm2 |
| 2 | Chamber Temperature | 95~105℃ |
| 3 | Aging Time | 6~24Hr |
| 4 | Molding Steam pressures | 0.8~1.2Kg/Cm2 |
D.Properties of molded foams
| Properties | Unit | LSB | LS | LS2 | LS3 | |
|---|---|---|---|---|---|---|
| Density | Kg/m3 | ≧20 | ≧22 | ≧24 | ≧24 | |
| Comperessive Stress at 10% compression | Kg/Cm2 | 0.7~1.1 | 0.7~1.1 | 0.7~1.2 | 0.7~1.3 | |
| Flexural Strength | Kg/Cm2 | 3.0~3.3 | 3.0~3.3 | 3.0~3.5 | 3.0~3.6 | |
| Tensile Strength | Kg/Cm2 | 1.2~1.5 | 1.2~1.5 | 1.2~1.6 | 1.2~1.6 | |
| Thermal Conductivity | Kcal/mh°c | 0.028~0.036 | 0.028~0.036 | 0.028~0.036 | 0.028~0.036 | |
| Chemical Resistance | Acid | -- | Good | Good | Good | Good |
| Alkali | -- | Good | Good | Good | Good | |
| Solvent | -- | Poor | Poor | Poor | Poor | |