PACACEL™ L75-200

PACACEL™ L75-200 is the isocyanate component of a solventless laminating adhesive used for flexible packaging laminates. It provides quick cure times, excellent bond strength, great compatibility with printing inks, and broad FDA compliance. PACACEL™ L75-200 is designed to react with either Coreactant CR-201 or Coreactant CR-202 to form a 100% solids polyurethane laminating adhesive.

Features & Benefits

When PACACEL™ L75-200 reacts with Coreactant CR-201, the PACACEL™ L75-200/CR-201 solventless adhesive system is made. This adhesive rapidly forms bonds and can be further processed within 6 hours at room temperature after coating. A full cure can be achieved after 3 days at room temperature. PACACEL™ L75-200/CR-201 provides excellent bonds to PET, aluminum oxide–coated films, and treated PP, PE, and coextruded polymer films. This system is approved for food contact according to (EU) No 10/2011, FDA 21 CFR 177.1395 conditions of use C–G, and FDA 21 CFR 175.105. This makes it ideal for creating flexible packaging for snack foods, meat and cheese, frozen foods, and condiments. This adhesive may also be used to create hot fill pouches and has good chemical resistance.

When PACACEL™ L75-200 reacts with Coreactant CR-202, the PACACEL™ L75-200/CR-202 solventless adhesive system is made, which has shorter cure times, better adhesion to metallized films, higher heat and chemical resistance, and faster line-speed capabilities compared to the PACACEL™ L75-200/CR-201 adhesive. Laminates made with PACACEL™ L75-200/CR-202 fully cure in 2 days at ambient temperature and can also be further processed after 6 hours of curing at ambient temperature. This adhesive provides excellent bonds to the same substrates detailed above for PACACEL™ L75-200/CR-201 and additionally facilitates higher bond strength in laminations involving metallized films and foils. PACACEL™ L75-200/CR-202 complies with FDA 21 CFR 177.1935 conditions of use B–H, making it ideal for the applications covered by PACACEL™ L75-200/CR-201 plus boil-in-bag and ovenable packaging.

Product Details

Product Family:

Solventless Adhesives

Markets:

Food, Home & Personal Care, Medical & Pharmaceutical, Industrial

Performance Benefits:

Fast Run Speed, Adhesion to high slip films, Good Clarity, Moisture Resistance, Easy Clean-up, High Heat Resistance, Low Nip Temperature, High Running Solids, Adhesion to Foil and Metallized Films, High Chemical Resistance, Fast Bond Development, Fast Slitting Time, Low Odor

Regulations:

FDA Regulation 21 CFR177.1395, FDA Regulation 21 CFR175.105

Applications:

Stand-Up Pouches, Bottle Labels, Coffee Bags and Pouches, Large Format Bags, Hot Fill Pouches, Meat and Cheese Packaging, Snack Food Packaging, Frozen Food Packaging, Confectionary Packaging, Medical and Pharmaceutical Packaging, Condiment Packaging, Portion Packs, Microwave Packaging, Fresh Produce Packaging, General Industrial

Key Properties

Application Method

Smooth roll transfer

Coreactant

CR-201, CR-202

Coating Weight

1.3–2.0 g/m2

Carrier

N/A, solvent free

Chemistry

Polyurethane

Color

Colorless to Light Yellow Liquid

Density

8.95 lbs/gallon

Mix Ratio

100:60 (pbw with CR-201), 100:45 (pbw with CR-202)

Recommended Diluent

N/A

Drying Web Temperature

N/A

Key Performance Benefits

Fast cure speed, fast run speed with excellent appearance, broad FDA compliance, excellent bond strength

Applied Solids

100%

Supplied Solids

100%

Solvent

none

Thinner

N/A

Cure Time

3 days at 25°C (using CR-201), 2 days at 25°C (using CR-202)

Nip Temperature

49°C–71°C

Nominal Application Temperature

40°C–50°C

Post Process Time

6 hours at 21°C

Pot Life

Approximately 30 minutes

Substrates

PET, Metallized films, foil, AlOx, PP, PE, OPA, PA

Viscosity

3,600 mPa·s @ 25°C

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