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K-FLEX® 171-90

1 of 16 products in this brand
K-FLEX® 171-90 is a chain extended version of K-FLEX® 188 with low crosslinker demand. Although it is slower reacting in isocyanate crosslinked systems than K-FLEX® 188, it offers improved adhesion and flexibility.

Functions: Chain Extender

Chemical Family: Polyols

Labeling Claims: Low VOC

Compatible Polymers & Resins: Isocyanates

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions

Features & Benefits

Labeling Claims
Advantages
  • Low VOC
  • High Resistivity
  • Low Isocyanate Demand
  • Prolonged Potlife
  • Good Flow/Leveling
  • Improved Flexibility

Applications & Uses

Compatible Polymers & Resins
Compatible Substrates & Surfaces
Base Chemicals End Uses
Applications
  • 2K Urethane Coatings
  • Office Furniture Coatings
  • Appliance Coatings
  • Elastomeric Coatings
  • Metal Decoration
  • Flexible Substrates
  • Epoxy Flexibilizer
  • Coil Coatings

Properties

Physical Form
Appearance
Clear to hazy straw liquid
Typical Properties
ValueUnitsTest Method / Conditions
% Active90%
Viscosity (25°C)3700mPa.s
Hydroxyl Number130
Hydroxyl Equivalent Weight432
Weight per Gallon (25°C)9.2lbs
Gardner Color1
Volatile (As Supplied)Butyl Acetate/Xylene

Storage & Handling

Shelf Life
24 months
Storage/Shelf Life
  • Store at ambient temperatures in a dry location.
  • Haze may develop upon prolonged storage or temps : 0-5°C.
  • Warming to 40-50°C will restore clarity.
  • 24 months from the date of manufacture when stored at room temperature in the original container.