Laripur 5925
Polyester TPU at Shore 59 D with 9800 psi tensile strength. Injection moulded technical items and footwear components.
Polyester TPU at Shore 59 D with 9800 psi tensile strength. Injection moulded technical items and footwear components.
Laripur 5925 is a polyester based TPU at Shore 59 D. COIM lists it for the injection moulding of technical items and footwear components.
It sits between 5725 and 6325 in the hard polyester run. Tensile strength is 9800 psi, tear strength 171 N/mm and the flexural modulus is 34000 N per square mm, with elongation at break at 390 percent.
The VICAT softening point is 295 degrees F and abrasion loss is 40 cubic mm by DIN 53516.
| Property | Typical value |
|---|---|
| Specific gravity | 1.23 g/cm3 (ASTM D792) |
| Shore hardness | 59 D (ASTM D2240) |
| Abrasion loss | 40 mm3 (DIN 53516) |
| Tensile modulus 50 percent | 2300 psi (ASTM D412) |
| Tensile modulus 100 percent | 2700 psi (ASTM D412) |
| Tensile modulus 300 percent | 6700 psi (ASTM D412) |
| Tensile strength | 9800 psi (ASTM D412) |
| Elongation at break | 390 percent (ASTM D412) |
| Tear strength | 171 N/mm (ASTM D624) |
| VICAT softening point | 295 degrees F (ASTM D1525) |
| Flexural modulus | 34000 N/mm2 (ASTM D790) |
| Form | Regular pellet |
Typical values from the manufacturer's technical data sheet. They describe the product, they are not a specification. We will send the current TDS and the batch documentation your qualification needs.
Tell us the binder system, the property you are targeting, and the volume you expect. We will confirm the grade, send the documentation, and ship a sample from North American stock.
COIM's first listed use.
Named on the data sheet.
Where a flexural modulus of 34000 N per square mm is the property being specified.
Dry before processing at 175 to 195 degrees F for 3 hours, preferably in a dehumidifying drier fed by air with a dew point below minus 22 degrees F. Skipping the drying step is the most common cause of splay and bubbles in a TPU part.
COIM's suggested moulding profile runs zone 1 at 385 degrees F, zone 2 at 395, zone 3 at 410 and the nozzle at 395. Machine, screw and downstream equipment all move these, so treat them as a starting point.
Package sizes: 25 kg bags, or 500 kg and 1000 kg octabins.
Storage: Six months from the date of delivery, in the original sealed packaging, in a dry well ventilated place out of direct sun.
COIM does not consider the product dangerous. Read the safety data sheet before handling.
Polyester. COIM's data sheet describes it as a polyester based TPU.
It sits between them. 5725 is Shore 56 D at a flexural modulus of 27000 N per square mm; 5925 is 59 D at 34000; 6325 is 62 D at 53000. Tear strength climbs the same way, 163 to 171 to 193 N/mm.
Laripur 5760 at Shore 56 D or Laripur 6560 at Shore 65 D, both PTMG polyethers COIM credits with very good resistance to hydrolysis and microbial attack. There is no polyether at exactly 59 D on COIM's published range.
Yes. Three hours at 175 to 195 degrees F in a dehumidifying drier with the air dew point below minus 22 degrees F, the same as every Laripur grade.
Yes. We send the Technical Data Sheet (TDS) and Safety Data Sheet (SDS) on request, in the manufacturer's current revision. Use Request TDS or SDS above and tell us what your qualification review needs.
Softer polyester at Shore 56 D.
Harder polyester at Shore 62 D.
Polyether at Shore 56 D, for hydrolysis resistance.
Soles, ski boots and footwear components, and how the grades are chosen.
Which chemistry survives hot water, and which survives oil and abrasion.
How to specify a grade when you have a part and not a grade number.
What Shore A and Shore D actually measure, and where the scales overlap.