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How to use Cohesive
How to use Cohesive – A Guide for using Synthetic or Natural Latex-Cold Seal Cohesive
General Converting Suggestions
– All new laminate structures should be qualified and approved by end use customer prior to full-scale production.
– All new OPV, release lacquers, inks, paper, films should be qualified prior to full-scale production.
Cohesive Handling Suggestions
– All cohesive should be rotated based on date received, oldest material should be used first.
– For best results, we recommend that product be used within three months.
– Only specified defoamers at specific percentages may be added. Any addition of anything else may interfere with adhesive performance.
Proper Cohesive testing
1) Run coat weight checks.
– Ideal coat weights are 2.4 – 3.7lbs/Ream. As always check coat weights on a regular basis.
2) Peel and seal ability testing.
– Peels and seal ability testing must be run initially, 24 hours, 7, 30, 60 and 90 days to insure performance over time. Peel values should retain 75% of un-aged values over 90 days. This is the bare minimum maintenance to guarantee performance. It is the user’s responsibility to verify cohesive performance before selling product.
3) Blocking testing
– Blocking test should be run according to customer specification.
– Ensure that OPV, ink, paper, or film is not interfering with cohesive.
– Check peel and sealability test to see if any of the above are interfering.
4) Cohesive web storage
– Finished web should be wrapped in poly bags. Avoid direct light- UV oxidizes product. Cohesive will lose auto adhesion capabilities.
– Humidity plastisizes cohesive increasing auto adhesive and block potential.
– Lack of humidity hardens cohesive requiring higher pressure, and heat to get required cold flow to make a bond.
5) Defoaming
– Use only Cattie recommended defoamers. For best results atomize or spray at the pan. Never add silicone based defoamers.
Adequate Tests
Although we believe that adherence to the above suggestions will result in optimum adhesive performance, it is impossible to evaluate all possible combinations of film/paper/OPV/printing inks/coating for adhesion performance.
Therefore, the suggestions herein are made without guarantee or representation as to the results. We strongly recommend that adequate test be made in your plant to determine the suitability these adhesives and measure their performance for you intended use, and determine their acceptance for various end-use requirements.
It is particularly important to conduct testing when there is any change in film, paper, coating, printing ink, OPV or your process.
Tape and Label Adhesives
Tape and Label Adhesives
Cattie Adhesives manufactures a Full Line of Tape and Label Adhesives including Hot Melts, Water-Based Adhesives and Coatings for High Speed Container and Bottle Labeling applications. Our tape and label adhesives meet the needs of even the most demanding and challenging applications.
Container Labeling Adhesives
Cattie Adhesives manufactures a Full Line of Container Labeling Adhesives including Hot Melts, Water-Based Adhesives and Coatings for High Speed Container and Bottle Labeling applications.
Our hot melts and water based Adhesives are used for all types of Container and Bottle labeling requirements and can be custom formulated to meet specific application requirements for color, bond strength, heat resistance, or other performance standards.
All of our Labeling Adhesives for the food & beverage industry meet the requirements of the FDA Adhesives regulation: 21CFR175.105 Indirect Food Additives.
Our labeling adhesive products are used extensively across many industries and for many adhesive applications.
Our Hot Melts and Water based labeling adhesives can be made “Water-White” and are formulated to provide excellent adhesion to all types of substrates including difficult to bond Foils, Films, Metallized papers and UV coated papers.
Our adhesives are formulated for Pressure Sensitive Hot Melt labeling applications and water-based container labeling adhesive applications.
Our products offer excellent machining and superior bonding to all types of containers – including returnable bottles that need outstanding water, moisture/ice resistance to Low Energy Surfaces including PET, PP, or treated PE.
Labeling Adhesives
Glass Bottle Labeling Adhesives:
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- Water-based, Casein/Zinc Free.
- Excellent Clean-ability.
- Ice-Proof.
- Moisture and Water Resistant.
- Over 6 months of shelf life.
- Excellent Temperature & Viscosity Stability.
- Use About 20% Less Adhesive vs. other brands.
Metal Container Labeling Adhesives:
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- Water-based and Hot Melt adhesive.
- Lap Paste for Metal Cans.
- Used for Paper Labels on wrap around applications.
- Excellent Clean-ability.
- Hot Fill, Cold Fill Labeling.
Plastic Bottle and Container Labeling Adhesives:
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- Pressure Sensitive Hot Melts and Water-based adhesives.
- Clear, Excellent Run-ability, Clean Machining.
- Strong bonds to Metallized Paper, BOPP, PET, HDPE, LDPE.
- High Speed Labeling of Carbonated and Non-Carbonated Beverages.
- Automatic non-contact hot melt dots application system.
- Hot melts for Label “Pick Up” systems that use hot melt pick up wheel.
- Hot Fill, Cold Fill Paper/Plastic Labeling.
- Great for Wheel and Spray applications.
- Used on Roll Fed and Cut and Stack type equipment.
- Pressure Sensitive Hot Melts and Water-based adhesives.
Our Top Selling Water based Pressure Sensitive Label Adhesive:
# 8641 – Pressure sensitive acrylic adhesive specifically designed for Label applications.
Suggested Uses • Label adhesive with excellent clarity • Excellent water resistance • Good adhesion to a wide variety of substrates Characteristics • Excellent adhesion to Glass, Plastics and many Low Surface Energy Substrates. 48 – 52% Solids, 50,000 – 70,000cps, Clear.
All of our Container & Bottle Labeling Adhesives have “No VOCs” and are Formulated to be FDA Compliant for Indirect Food Contact to meet the requirements of the FDA Adhesives regulation: 21CFR175.105 Indirect Food Additives.
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Envelope Manufacturing Adhesives
Cattie Adhesives – Envelope Manufacturing Adhesives
Our Envelope manufacturing adhesives are formulated to meet a wide range of applications and equipment performance requirements.
We can custom formulate our envelope adhesives to meet your specific bonding needs: from long open-time, slow-setting contact applications to fast-setting extrusion adhesives.
Our products offer excellent machining and superior bonding to all types of natural and synthetic substrates – including – papers, coated stocks and various Low Energy Surfaces including PET, PP, or treated PE.
OUR ENVELOPE MANUFACTURING ADHESIVES APPLICATIONS:
Front Seal Adhesive
Cattie Adhesives offers both water-based and hot melt Remoisten-able Front-Seal adhesives for a variety of application and performance requirements. Our Remoisten-able hot melts offer superior machining and block resistance under the most hot and humid climates.
Back Gum
Cattie Adhesives manufactures a full range of back gums and side seam adhesives for the slow open-end application to the fastest non-contact extrusion seam gum applications. Our products are designed for optimal machine application performance, and have excellent throwing resistance and gum box stability.
Side Seam
Cattie Adhesives supplies a full range of back gums and side seam adhesives for the slowest open-end application to the fastest non-contact extrusion seam gum application. Our products have excellent machine application performance, and have excellent throwing resistance and gum box stability.
Window Patch Gum
Cattie Adhesives manufactures a line of very low VOC patch gums, that also exhibit excellent gum box stability. Many of our patch gums are also excellent non-contact extrusion seam gums and can offer great cost savings to our envelope producer.
Pre-Applied Front Gum
In some cases, the front seal gum is activated by the end-user to seal the envelope. We supply dextrin, resin, and resin-dextrin seal gums. Our front seal gums have excellent adhesion, re-tack speed, lay-flat, and humidity resistance.
Specialty Gums
Cattie Adhesives has a full line of specialty gums that includes natural rubber latex self-seal gums, synthetic resin self-seal gums, hot-melt PSA adhesives, hot-melt re-moisten adhesives, and adhesives that will bond most natural or synthetic substrates.