myTechnical Documents
Seetec R7700 is designed for the extrusion of fibers with the spunbond technology.Used in hygienic products.
Details
CAS
9010-79-1
Product Type
Applications
Industry
Producer
Advantages
- narrow MWD
- good processability
Other Applications
hygienic products
Handling
SEETEC R7700 meets the FDA requirement in the code of Federal Regulations in 21 CFR 177.1520 for food contact.
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Physical Properties | |||
| MFI | 34 | g/10min | ASTM D1238@Load 2.16 kg;Temperature 230 °C |
| Specific Gravity | 0.900 | ASTM D1505 | |
| Melting range | 130 - 170 | ºC | |
| Thermal Properties | |||
| flash point | >340 | ºC | |
| Vicat softening temperature | 139 | ºC | ASTM D1525@Load 1.00 kg |
| Heat Deflection temperature | 85.0 | ºC | ASTM D648;at 0.46 MPa |
| Mechanical Properties | |||
| Rockwell Hardness | 85 | Rockwell R;ASTM D785 | |
| Flexural modulus-MD | 932 | MPa | ASTM D760 |
| Tensile Stress at yield-MD | 26.5 | MPa | 50mm/min; ASTM D638 |
| Izod impact strength (notched) | 39.2 | J/m | ASTM D256@Temperature 23.0 |
| Elongation at break-MD | <500 | % | 50mm/min; ASTM D638 |