Laripur® LCS 843 is a modified polyester-based TPU (Thermoplastic Polyurethane) that is well-suited for injection molding applications. This product is particularly suitable for the production of items such as skiboots and technical components. It combines high stiffness with good cold impact behavior, making it a versatile choice for applications where both strength and resilience in low-temperature conditions are required.

Polymer Name: Thermoplastic Polyurethane (Polyester based)

Processing Methods: Injection Molding

Technical Data Sheet

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Identification & Functionality

Features & Benefits

Materials Features

Applications & Uses

Markets
Applications
Plastics & Elastomers Processing Methods
Processing Recommendations

Material needs to be dried prior processing at 80-90°C for 3 hours, preferably using a dehumidifying drier fed by air exhibiting a dew point lower than -30°C.

Suggested molding temperature profile

Zone Temperature
Zone 1 205°C
Zone 2 210°C
Zone 3 220°C
Nozzle 210°C

Being affected by type of machine used, processing conditions and downstream equipment, the temperature profiles as given above has to be considered as just indicative.

Properties

Physical Form
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Tensile Strength89N/mm²DIN 53504
Tensile Modulus (at 50%)38.5N/mm²DIN 53504
Tensile Modulus (at 300%)49.1N/mm²DIN 53504
Tensile Modulus (at 100%)39.7N/mm²DIN 53504
Tear Strength242N/mmDIN 53515
Specific Gravity1.21g/cm³DIN 53479
Shore Hardness71D ScaleDIN 53505
Flexural Modulus840N/mm²ISO 178
Impact Test (at -20°C)7.5kJ/m²ASTM D256
Abrasion Loss65mm³DIN 53516
Elongation (at Break)420%DIN 53504

Packaging & Availability

Packaging Type
Regional Availability
  • Canada
  • USA
Packaging Information

Laripur® LCS 843 is supplied in regular pellet form and it is packaged in 25 kg bags or 500 kg and 1000 kg octabins.

Storage & Handling

Shelf Life
6 months
Storage Information

Laripur® LCS 843 must be stored in its original and sealed containers and kept in a dry and well ventilated place, avoiding the direct sun radiation. The shelf life of Laripur® LCS 843 will be 6 months from the date of delivery to the final customer, when stored in its original sealed packaging and in proper conditions.