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- Manufacturer: Bostik, Inc.
- Product Line: Bostik Laminating Adhesives
- Product: PURETHANE™
- Industries:
- Authorized Countries: Canada | United States
PURETHANE™ A 4002
PURETHANE™ A 4002 is one component of a two‑component waterborne urethane adhesive for dry‑bond laminating of flexible packaging.
Documents
Specifications
Color: Gray to white liquid
Solids content, %: 37 ± 2
Specific gravity: 1.02 ± 0.02
pH: 7.1 ± 0.5
Viscosity at 75°F, Zahn #2, s: 19–25
Primary Chemistry:
Polyurethane dispersion
- Manufacturer: Bostik, Inc.
- Product Line: Bostik Laminating Adhesives
- Product: PURETHANE™
- Industries:
- Authorized Countries: Canada | United States
Manufacturer
Product Line
Product
Industries
Authorized Countries
Canada
United States
Overview
PURETHANE™ A 4002 is one component of a two-component waterborne laminating adhesive that creates clear, stable coefficient of friction laminations and clean machine performance. PURETHANE™ A 4002 forms UV‑stable bonds across flexible packaging. For higher‑performance needs such as frozen‑food structures or environments requiring added resistance, this grade is designed to be used with PURETHANE™ C‑CAT 104. Full cure typically develops after 24 hours at 130°F (54°C) or 72 hours at 100°F (38°C).
Specifications
Color: Gray to white liquid
Solids content, %: 37 ± 2
Specific gravity: 1.02 ± 0.02
pH: 7.1 ± 0.5
Viscosity at 75°F, Zahn #2, s: 19–25
Primary Chemistry:
Polyurethane dispersion
Features & Benefits
- Excellent clarity, COF stability, and UV stability
- COF stability without external slip additives
- Minimal to no odor
- Good resistance to heat and chemicals
- No cell plugging with clean running and good leveling
- Designed for higher‑performance applications when cross-linked with C‑CAT 104
Problems Solved
Haze or poor laminate clarity
Unstable coefficient of friction (slip variation)
Odor retention in laminates
Cell plugging at the applicator
Poor resistance to moisture, temperature, or chemicals
Applications
Film‑to‑film laminations
Pouches
General flexible packaging
Frozen‑food packaging
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