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Saitack® 934 is a high solids acrylic emulsion with formulating base for pressure-sensitive and film laminating adhesives.

Chemical Family: Acrylics & Acrylates

End Uses: Pressure Sensitive Adhesive, Solvent Free (100% Solids) Adhesive

Glass Transition Temperature (Tg): -47.0 - -47.0 °C

Features: Alkali Resistance, Excellent Tack Stability, Good Balance of Properties, Good Blush Resistance, High Shear Contribution, Low Migration

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Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

Labeling Claims
Characteristics
  • Balanced tack and shear properties
  • Displays non blush characteristics when properly coated
  • Good plasticizer migration and alkali resistance
  • APEO Free Product
Product Highlights

STI Polymer is the partner of choice for custom formulations and manufacturing of adhesives, paints and coatings. STI Polymer has built a reputation of proven performance, from providing manufacturers of paints and adhesives with the basic functional components of their formulations to producing private labeling of high-quality products for leading global corporations. STI's robust technical foundation and agility to meet the emerging needs, combined with an emphasis on long-term partnerships, drives its customer' successes.

Applications & Uses

Clean up
  • Soapy water (wet)
  • Solvent (dry)

Properties

Physical Form
Appearance
Clear, Milky White
Odor
Slight Acrylic
Physical Properties
ValueUnitsTest Method / Conditions
pH7.0 - 9.0
Polymer TypeAcrylic
Solids59 to 61%
Tg (calculation value)-47°C
Theoretical Acid Value (wet)0.275eg /kg
Theoretical Acid Value15.4mgKOH /g
Brookfield Viscosity (25°C RVT #4 at 20rpm)4,000 - 7,000cps.
Density8.5lb/gal
Performance Properties
ValueUnitsTest Method / Conditions
Water ResistanceGood
Shear (1’x1’x1kg at 40°C)min. 24hours
Typical Performance Properties
Property Value
Peel Adhesion 180°(stainless steel/PET, 2 mil. Dry, 20
min. dwell)
1.05 lbs/in
Peel Adhesion 180°(stainless steel/PET, 2 mil. Dry, 30 min. dwell) 1.32 lbs/in
Shear (1’x1’x1kg @40 40°C)
 
≥ 24 hours

Water Resistance

Good
  • Drying conditions: 3 minutes @120 120°C
  • Coating: 1 mil, machine roll coated Condition : 16 Hour Peel

 

Regulatory & Compliance

Chemical Inventories
DOT Label Required

This product is not classified as a hazardous product under DOT or OSHA regulations. It does not contain any hazardous components at levels which have implications for labeling under these regulations.

Packaging & Availability

Packaging Type
Packaging

One-way drums and totes or bulk shipments available.

Storage & Handling

Shelf Life
6 Months
Recommended Storage

Protect from freezing. Recommended storage temperature is 60°F to 80°F (15°C to 25°C). Keep in tightly covered container.