General Purpose
A.Characteristic
Energy-saving processing
High expansion long storage life
Excellent thermal insulation capacity
Good fusion and surface finish
B.Properties of beads
| Specification | SB | S | S2 | S3 |
|---|---|---|---|---|
| Bead Size | 1.2-1.8mm | 0.9-1.3mm | 0.7-1.0mm | 0.5-0.8mm |
| Density | 13~18kg/m³ | 14~20kg/m³ | 15~25kg/m³ | 16~30kg/m³ |
| Application | Plate Large package | Medium Package | Package-thin item | Package-small item |
| Humidity | ↓1% | |||
| Specific Gravity | 1.03 | |||
| Pentane Level | 6.5~ 7.5% | |||
C.Preforming condition
| NO | Item | General Purpose |
|---|---|---|
| 1 | Pre-forming Steam pressure | 0.10 Kg/Cm2 |
| 2 | Chamber Temperature | 95~105°C |
| 3 | Aging Time | 24~48Hr |
| 4 | Molding Steam pressures | 0.8~1.2 Kg/Cm2 |
D.Properties of molded foams
Properties | Unit | SB | S | S2 | S3 | |
|---|---|---|---|---|---|---|
Density | Kg/m3 | ≧14 | ≧15 | ≧16 | ≧16 | |
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 | |
