DELRIN® 527UV black
Delrin® 527UV BK701 is a black homopolymer acetal that has been enhanced with UV stabilizers. It is also available in natural on a custom run basis. Developed by Delrin USA LLC to replace Delrin® 507, this material is particularly suited to automotive and other outdoor applications. It exhibits improvements in UV aging characteristics and thermal stability. Delrin® is a registered trademark of Delrin USA LLC.
Facts
Chemical Designation
POM-H (Polyacetal (Homopolymer))
Color
black
Density
1.41 g/cm3
Fillers
UV stabilizer
POM-H (Polyacetal (Homopolymer))
Color
black
Density
1.41 g/cm3
Fillers
UV stabilizer
Features
- very good UV and weather resistance
- improved surface hardness
- good machinability
- very good mechanical strength
Industries
automotive industry
agricultural machinery
construction industry
solar systems
agricultural machinery
construction industry
solar systems
Show/Hide Mechanical Properties
| Description | value | unit | condition | test method |
| Modulus of elasticity (tensile test) | 420,000 | psi | @ 73 °F | ASTM D 638 |
| Tensile strength at yield | 10,300 | psi | @ 73 °F | ASTM D 638 |
| Elongation at break (tensile test) | 15 | % | @ 73 °F | ASTM D 638 |
| Flexural strength | 13,500 | psi | @ 73 °F | ASTM D 790 |
| Modulus of elasticity (flexural test) | 490,000 | psi | @ 73 °F | ASTM D 790 |
| Impact strength (Izod) | 1.25 | ft-lbs/in | @ 73 °F | ASTM D 256 |
| Rockwell hardness | 89 | M Scale | ASTM D 785 | |
| Rockwell hardness | 120 | R Scale | ASTM D 785 |
Show/Hide Thermal Properties
| Description | value | unit | condition | test method |
| Melting temperature | 352 | °F | ||
| Deflection temperature | 325 | °F | @ 66 psi | ASTM D 648 |
| Deflection temperature | 198 | °F | @ 264 psi | |
| Service temperature | 185 | °F | Long Term | |
| Thermal expansion (CLTE) | 6.1*10-5 | in/in/°F |
Show/Hide Other Properties
| Description | value | unit | condition | test method |
| Moisture absorption | 0.14 | % | @ 24 hrs, 73 °F | ASTM D 570 |
| Flammability (UL94) | HB |
Other POM-H Products: