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Cold-Bond Adhesives for Belt Repair

( 10/23/2020 ) Written by: Kimberly Richardson

Rubber belting is the key part of conveying manufactured items, agricultural products, and mined ore. Rubber belts, and their maintenance, can account for up to 60% of the cost of an entire machine. If a belt should break, the costs can be catastrophic: shutting down production until a repair can be made.  

Rubber belts can degrade for a variety of reasons: ultra-violet light, pH of the product being conveyed, impact, abrasion, incorrectly applied tensions, etc. Maintaining the belt when repairs are relatively small is critical to avoid more costly failures and shut downs.

Chemlok vulcanization adhesives are widely used by conveyor manufacturers in construction of the original belt. Chemlok adhesives are used across the belting industry in conjunction with frame-vulcanizer to produce localized super-robust belt repairs. Utilizing a frame-vulcanizing for localized repairs can require significant logistics in locating and placing a 150kg+ piece of machinery that requires power and training to operate.  In such instances, belt maintenance companies may elect to use cold-bond adhesives instead. 

Popular cold-bonding tradenames include: REMA SC2000, SC4000, BC3000, Fourthane Red, GP7000, and more. These cold-bonders are mostly effective but often contain carcinogenic and VOC-restricted solvents and often generate significant hazardous waste. Additionally, several cold-bonders will advertise repairs of only a few hours but, if one reads the ‘fine print’ will discover such cure times are only possible with 24 hours of preparatory work.

We're constantly collaborating with customers to improve the efficiency of belt maintenance while eliminating carcinogenic solvents and waste. 

  • Chemlok CB203 is a new cold-bond adhesive, designed for bonding textile-reinforced rubbers used in belting and lagging. Unlike alternative solutions, CB203 is designed to bond the fabric reinforcement agent—the material that carries tension—not the rubber. CB203 bonds are room temperature and restores belt splices to 1000 psi+ in as little as three hours. Use Chemlok CB203 anywhere you use SC2000, SC3000, BC4000, or Fixmaster products for belting repair.
  • Chemlok CB201 is a new cold-bond belt re-surfacer and adhesive.  Use CB201 to fill in cracks, holes, and pitting induced by regular wear and tear. Available in a self-mixing 280mL cartridge—dispense and use only what you need; eliminating stuck-on waste from drill mixed quart-kits. CB201 spreads and trowels easily and can be sanded in as little as 15 minutes. It can also be used as a super-flexible, fast-cure adhesive. Use Chemlok CB201 anywhere you use Fourthane Red or GP7000 solutions.

Learn more about our cold-bond solutions or to talk to an expert. 

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