PRODUCT DATA SHEET
JZ3160 / GZ3160
POLYURETHANE ADHESIVE
TWO-COMPONENT, SOLVENT-BASED
DESCRIPTION
● Specially designed for PLASTIC FILMS, AL/PLASTIC lamination.
● With resistance to water boiling & retorting sterilization of 125℃/30mins for the composite structure of AL/PLASTIC.
● Fine weight coating, Anti-heat, resistance to steaming & boiling and chemical attack.
● Applicable to PA, AL, PE, PET, CPP films lamination.(esp. PA for the outer shell structure)
● Product conforms to the National food safety standards - GB9685 and regulations of adhesive for food package stipulated by China adhesive industry association.
| PHYSICAL PROPERTIES | ||
| Type | JZ3160(Base) | GZ3160(Hardener) |
| Composition | -OH | -NCO |
| Appearance | Clear or light yellow viscous liquid | Clear or light yellow viscous liquid |
| Solid content (%) | 60±2 | 75±2 |
| Viscosity (mPa.s/ 25 °C) | 4000±1000 | 1500±1000 |
| Solvent | Ethyl acetate | Ethyl acetate |
| Mixture ratio (quality) | 20 | 4 |
| Shelf life at 15 ~ 25°C(Months) | 12 | 12 |
| REFERENCED DILUTION RATIO(QUALITY RATIO) | |||
| Solid content of glue to be required (%) | 35 | 30 | 25 |
| Base (kg) | 20 | 20 | 20 |
| Hardener (kg) | 4 | 4 | 4 |
| Ethyl acetate(kg) | 18.8 | 26 | 36 |
HANDLING PRECAUTIONS
| Coating weight (g/m²) | 4.0-5.0 | ||
| Drying in 3 stages from inlet to outlet(℃) | 50-60 | 60-70 | 70-80 |
| Laminating temperature(℃) | 50-90 | 50~60 (esp. for films susceptible to temperature) | |
| Laminating pressure | Under the circumstances of not damaging the films, the pressure should be increased to a feasible extent. | ||
| Curing temperature(℃) | 55±5 | ||
| Curing time(h) | ≥72h (At least 24h of curing to the pre-laminated films is required before the completion of rewinding or laminating of 3 layer composite film. ) | ||
PACKAGING
| JZ3160 Base | 20 kg/Bucket |
| GZ3160 Hardener | 4 kg/Bucket |
OUR SERVICES
● Good knowledge on different application & market can meet special requirements.
● Real manufacturer with our own factory located in Huangshan, China
● Strong professional technical team ensure to produce the top quality products.
● Special cost control system ensure to provide the most favorable price.
● Rich experience on PU laminating adhesive in flexible packaging field.
FURTHER INFO
The lamination structure doesn't allow permeation of gases from outside into the pouch. The particular retort pouches used for several products consist of four layers bonded in a lamination machine. Starting from outside, the layers are PET+PA+AL+CPP:
● Polyester PET Provides a gloss and rigid layer may be printed inside.
● Nylon Bi-Oriented Polyamide provides puncture resistance.
● Aluminum Al provides a very thin but effective gas barrier.
● Polypropylene or CPP which is used as the sealing layer.
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