UNI-REZ™ 2221

Identification & Functionality

Chemical Family

Polyamides

CASE Ingredients Functions

Binder & Resin

Technologies

CASE Ingredients

Product Families

CASE Ingredients — Resins & Binders

Other Resins & Binders

Features & Benefits

CASE Ingredients Features

Blocking Resistance,

Chemical Resistance,

Good Color Stability,

Good Compatibility,

High Gloss,

Low Viscosity,

Water Resistance

Product Highlights

• Excellent pigment wetting, gloss, and blocking resistance
• Good solvent release and compatibility with nitrocellulose
• Good grease, water, and chemical resistance

Applications & Uses

Markets

Adhesives & Sealants,

Automotive & Transportation,

Building & Construction,

Consumer Goods,

Electrical & Electronics,

Printing & Packaging

Applications

Consumer Goods — Appliances & Electronics

Automotive & Transportation — Bonding & Assembly

Transportation Assembly

Adhesives & Sealants — Building & Construction

Construction Adhesives

Building & Construction — Building Materials

Construction Adhesives

Consumer Goods — Furniture

Adhesives & Sealants — Industrial & Assembly Adhesives

Electronics Adhesives,

Transportation Assembly

Electrical & Electronics — Packaging & Assembly

Adhesives & Sealants

Adhesives & Sealants — Packaging & Paper

Case & Carton Sealing,

Flexible Packaging Adhesives

Printing & Packaging — Tapes, Labels & Adhesives

Case & Carton Sealing,

Flexible Packaging Adhesives

Compatible Substrates & Surfaces

Nitrocellulose

Ink & Toner Type

Flexography Ink

Applications

• Excellent gel resistance
• Low viscosity enables high color strength inks
• High compatibility with nitrocellulose allows high heat resistance with good gloss

Properties

Physical Form

Granules,

Solid

Sales Specifications

	Value	Units	Test Method / Conditions
Softening Point (Ring & Ball)	105 - 113	°C	AQCM 003A
Color, 50% in n-Propanol	max. 7	Gardner	AQCM 002C
Acid Number	1 - 6	—	AQCM 001
Amine Number	max. 7	mg KOH/g	AQCM 069A
Solution Viscosity Brookfield, 50% in n-Propanol	95 - 135	cP	AQCM 004

Typical Properties

	Value	Units	Test Method / Conditions
Softening Point (Ring & Ball)	110.0	°C	—
Color, 50% in n-Propanol	5 +	Gardner	—
Acid Number	4.1	mg KOH/g	—
Amine Number	3.0	mg KOH/g	—
Solution Viscosity Brookfield, 50% in n-Propanol	115.0	cP	—
Solution Viscosity Brookfield, 40% in n-Propanol, 25°C	52.0	cP	AQCM 004
Zahn cup #2 elution time, 40% in n-Propanol, 25°C	24.0	sec	AQCM 145
Viscosity Brookfield at 160°C	148.0	cps	AQCM 004
Color, 40% in n-Propanol	5 +	Gardner	AQCM 002A
Solids in Haze Point	8.4	%	ADVM 552
Ethanol Tolerance, 20 % NV Ethanol Solution	138.0	%	ADVM 552

Packaging & Availability

Packaging

• UNI-REZ 2221 is a granulated resin, packaged in multiwall paper bags, 50 lbs

Storage & Handling

Storage

To be stored in full, closed containers kept in a cool, dry area. Granulated forms of resin are prone to slow oxidation which may result in darkening and/or have an adverse effect on solubility after prolonged storage.