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Texin® RxT70A

Technical Datasheet | Supplied by Covestro
Texin® RxT70A by Covestro is a biocompatible aromatic polyether-based thermoplastic polyurethane (TPU). It provides high moisture vapor transmission rate and is plasticizer free.
  • It exhibits very good hydrolysis, good low temperature flexibility, resiliency and impact strength.
  • Texin® RxT70A is designed for catheters, catheter balloons, specialty tubing, profiles, connectors and soft overmolding applications.
  • It is suitable for processing by injection molding or extrusion.
  • Texin® RxT70A meets with the requirements of the FDA-modified ISO 10993, Part 1 "Biological Evaluation of Medical Devices" tests with human tissue contact time of 30 days or less.
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
Texin® RxT70A
Technical Datasheet | Supplied by Covestro
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
Product Type
TPU or TPE-U (Thermoplastic Polyurethane) > TPU, Polyether
Physical Form
Pellets, Solid
Appearance
Natural
Product Launch Date
Jun 7, 2011
Product Status
COMMERCIAL
Geographical Availability
Africa, Asia / Pacific, Central and Eastern Europe, Middle East and Central Asia, North America, South and Central America, Western Europe
Applications/ Recommended for
  • Healthcare / Medical > Catheters
  • Extrusion > Profiles
  • Injection molding - thermoplastics > Overmolding
Food contact approval
Yes
Labels/Agency Rating
Listed in TSCA
FDA-modified ISO 10993
Key Features
  • Abrasion resistance, Good
  • Aromatic
  • Biocompatible
  • Flexibility, Low Temperature
  • Resilient

Texin® RxT70A Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.07
ASTM D792, ISO 1183
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
32 g/10 min
(At 200°C, 10 kg) 
ASTM D1238, ISO 1193
Linear Mold Shrinkage, Flow
0.008 mm/mm
(At 100 mil) 
ASTM D955, ISO 2577

Texin® RxT70A Processing Guidelines

Injection Properties

Value & Unit
Test Condition
Test Method
Rear Temperature
182 - 193 °C
Middle Temperature
188 - 199 °C
Front Temperature
188 - 199 °C

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