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K-FLEX® 188

K-FLEX® 188 is a highly reactive, aliphatic polyester diol which is recommended for aminoplast or isocyanate crosslinked coatings, inks, sealants, elastomers, and adhesives. K-FLEX® 188 is the most versatile polyester diol in the K-FLEX® line.

Brand: K-FLEX (16 products)

Chemical Family: Polyols

Hydroxyl Value: 230.0 - 230.0 mg KOH/g

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Polyols
Technologies
Base Chemicals & Intermediates,
CASE Ingredients
Product Families
CASE Ingredients — Monomers & Intermediates
Prepolymers & Polyols
Base Chemicals & Intermediates — Monomers & Oligomers
Diols & Polyols

Features & Benefits

Base Chemicals Features
Excellent Adhesion,
High Reactivity,
Improved Flexibility
CASE Ingredients Features
High Reactivity,
Improved Flexibility,
Improved Hardness
Advantages
  • 100% Active
  • Low VOC
  • Improved flexibility while maintaining hardness
  • Excellent cured film properties
  • Low temperature cure
  • Excellent adhesion to plastics
  • High resistivity
  • Light color

Applications & Uses

Markets
Automotive & Transportation,
Industrial,
Paints & Coatings,
Printing & Packaging
Applications
Paints & Coatings — Automotive & Transportation
Aerospace Coatings,
Automotive OEM Coatings,
Vehicle Refinish
Automotive & Transportation — Coatings & Finishes
Aerospace Coatings,
Automotive OEM Coatings,
Vehicle Refinish
Paints & Coatings — Industrial Coatings
Metal Coatings
Industrial — Maintenance, Repair & Overhaul
Printing & Packaging — Packaging Coatings
Overprint Varnishes
Paints & Coatings — Packaging Coatings
Overprint Varnishes
Automotive & Transportation — Transportation
Aerospace & Aviation,
Marine
Compatible Substrates & Surfaces
Elastomers & Rubbers,
Metal,
Plastics
Base Chemicals End Uses
Coatings,
Laminates,
Varnish
Use Level
5 - 10 wt. % (on Total Resin Solids for Melamine Baking Systems), 5 - 25% (on TRS for 2-component urethanes)
Applications
  • Aerospace coatings
  • Appliance and metal decorating
  • Automotive OEM & refinish
  • Agricultural & construction equipment
  • Plastic substrates
  • Overprint varnishes
  • Marine/maintenance
  • Glass laminates/Optical coatings

Properties

Color
Transparent
Physical Form
Liquid
Appearance
Clear, Light straw liquid
Typical Properties
ValueUnitsTest Method / Conditions
% Active100%-
Viscosity (25°C)9800mPa.s-
Hydroxyl Number230--
Hydroxyl Equivalent Weight244--
Specific Gravity (25°C)1.11--

Storage & Handling

Shelf Life
24 months
Storage/Shelf Life
  • K-FLEX 188 should be stored in a cool dry location at temperatures of 15 - 35ºC.
  • 24 months from the date of manufacture when stored at room temperature in the original container.