Cold Bonding Adhesive

Qingdao Best Friend Rubber & Plastic Co., Ltd. is one of the most reliable manufacturers and suppliers of cold bonding adhesive in China, also supports customized service. If you're going to buy high quality cold bonding adhesive made in China, welcome to get more information from our factory.

QBF offers two-component cold bonding adhesivesy stems are easy to apply and are prepared with hardener. They offer excellent contact bonding properties and create reliable and resilient bonding.

For contact bonding of conveyor belt splices, belt repairs and pulley linings, our high performance adhesives offer optimal processing times and long pot lives. Careful selection of raw materials, even and steady manufacturing and the packages' high standard of quality guarantee a long shelf-life.

● Reliable quality : Strong adhesion level, the same level as hot vulcanization
● Easy operation : Operated by simple tools and no vulcanizing press is required
● High efficiency : Short operating time, reduce downtime and production loss
● Safety and reliability : The cold bonding adhesivesy is flame retardant and can be used safely in underground
● Cost efficiency: The price is lower than the same quality product and with long lasting

Applied for permanent-elastic and high-strength contact bonding of rubber to rubber, rubber to fabric, fabric to fabric and rubber to metal as well as leather, polyurethane and other materials.

Primarily used for conveyor belt splices, repairs on conveyor belts, pulley linings and wear protection linings of technical rubber in open pit mines, underground mines, steel plants etc.

● Please operate with materials temperature above 10℃ and humidity less than 90% at job site.
● Please apply and prepared with germanBond® M hardener
● Store in a cool and dry place
● Avoid contact with skin before curing. If contact with these, please wash immediately with soap and plenty of running water.
● In order to avid effect the bonding adhesion strength, please strictly follow the operation process.
 

How Cold Bonding Works

Cold bonding is a manual process that's performed with a brush and adhesive or glue. First, production personnel prepare the surfaces of the rubber materials that will be joined. To promote optimum adhesion, some elastomers may need to be abraded. Degreasers, solvents, or other cleaning agents are sometimes used to remove dirt, oils, and other surface contaminants.

After the surfaces are wiped clean and dried carefully, the glue or adhesive is applied. Rubber bonding systems include low, medium, and high viscosity adhesives that come in cyanoacrylate, silicone, epoxy, and other formulas. Specific bonding products may be designed for elastomers such as nitrile, silicone, neoprene, or EPDM. Some glues crystallize when they contact water. All glues dry out over time.

Advantages of Cold Bonding Adhesive

There is no risk of sparks or electrical hazards and no need for hot work permits.

Cold bonding can be used when cutting and welding are restricted due to potentially explosive atmosphere.

Fast and simple in-situ application without the need for special equipment makes cold bonding ideal for emergency repairs and challenging application areas, where access is restricted.

There is no need for on-site machining, stress relieving and post weld heat treatment.

Cold bonding adhesive can conform to irregular shapes and substrates, filling the void between the surfaces. This ensures 100% contact which enhances load bearing capability.

The system is solvent free, 100% solid and environmentally friendly.

Tips to Help You Work With Cold Bonding Adhesive in Winter Weather

Know Your Cure Times

Consult technical datasheets and specifications to understand what your working time, handling time and full cure time is at room temperature. Some data sheets will even show you cure times at different temperatures. A general rule of thumb is that for every 20 degree decrease in temperature from room temperature, your curing time will double. Make sure you have a plan that factors in the extended cure times you will face at low temperatures.

Know Your Limits

Structural adhesives will have extended cure times within a certain temperature range but there will be a point at which the adhesive will not cure properly and may not cure at all if the environment is too cold. The exact temperature at which the product cannot be reliably used will differ from one product to the next. Check the data sheets for this information. This is often known as minimum application temperature.

Control Your Environment

You can take steps to work around the ambient temperatures and mitigate the risks, but it bears repeating that cold temperatures are not optimal for adhesive bonding. If you possibly can, its always best to just control the climate in your workspace. Sometimes this is impossible, and other times it is just inconvenient or expensive. Adhesives are technical products that are designed and tested to work in specific conditions. If quality control and performance are important factors in the end results, you may need to invest in equipment to maintain the proper conditions.

Condition Your Materials

If it is impossible to condition your workspace, the next best thing you can do is to at least condition your materials. This can mean heating up the substrates to be bonded, or storing them are room temperature prior to starting the job. This can also mean storing your adhesives at room temperature or higher in preparation for the project as well. This can be as simple as using a heat gun to warm up your metal parts prior to gluing or as complex as using infrared heaters or heating blankets to directly heat the workpieces during curing. Often times there are simple steps such as keeping your glue in a heated office before the day of the job, or not leaving your adhesives in the truck the night before. If the space is not conditioned, then the parts will quickly get cold, but preheating your parts and your adhesive might just retain the heat for long enough during the curing process to make the difference between success and failure.

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