K-FLEX® XM-337

Identification & Functionality

Chemical Family

Polyols

Base Chemicals Functions

Binder

CASE Ingredients Functions

Binder & Resin

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

Chemical Resistance,

Excellent Adhesion,

High Hardness,

Improved Flexibility

CASE Ingredients Features

Abrasion Resistance,

Chemical Resistance,

Good Toughness,

High Impact Resistance,

High Modulus,

High Tensile Strength,

Improved Flexibility,

Improved Hardness,

UV Stability

Applications & Uses

Markets

Automotive & Transportation

Applications

Automotive & Transportation — Transportation

Aerospace & Aviation

Compatible Polymers & Resins

Isocyanates,

Polyurethanes (PU)

Adhesive & Sealant Type

1K (1 Component) Adhesive,

2K (2 Component) Adhesive,

Solvent Free (100% Solids) Adhesive,

Solventborne Adhesive,

Solventborne Sealant,

Structural Adhesive

Base Chemicals End Uses

Adhesives

Applications

• Optically clear urethane elastomers
• Urethane ballistic systems
• Ophthalmic lenses
• Aerospace
• Thermoplastic urethanes
• Structural adhesives

Properties

Physical Form

Liquid

Appearance

Clear liquid

Typical Properties

	Value	Units	Test Method / Conditions
Viscosity (25°C)	55000	mPa.s	—
Hydroxyl Number	230	—	—
Hydroxyl Equivalent Weight	260	—	—
Weight per Gallon (22°C)	9.25	lbs	—
Active	100	wt.%	—

Storage & Handling

Shelf Life

24 months

Storage/Shelf Life

• Store in a cool, dry location. On storage near ambient temperature, K-FLEX XM337 may form a crystalline haze. Warming to 60°C for a short period of time will clarify the product.
• Minimum of 24 months from date of manufacture, when stored in the original container at ambient conditions.