HUAYE-818 Flame-Retardant Cold Bonding Adhesive
HUAYE-818 is a 2-component cold bonding adhesive for conveyor belt joint repair on canvas and nylon fabric-core belts. It cures at room temperature under pressure — no heating equipment required — and is self-extinguishing once removed from a fire source, making it suitable for coal mine fire- and explosion-proof environments.
- Usable After Just 20 Minutes
- Flame Retardant & Self-Extinguishing
- Wide Operating Range: −5°C to 80°C
- Suitable for Coal Mine Fire-Proof Zones
HUAYE-818 Conveyor Belt Cold Bonding Adhesive
A 2-component flame-retardant cold bonding adhesive for conveyor belt joint repair on canvas and nylon fabric-core belts. This conveyor belt adhesive cures at room temperature under pressure, with a bonding area roughly half that required by other splicing methods — making it well suited to coal mine fire- and explosion-proof environments.
Ask About HUAYE-818
A Reliable Cold Bonding Adhesive for Fabric Belt Joints
When a fabric-core belt joint needs repair without hot vulcanizing equipment on hand, HUAYE-818 offers a dependable cold bonding adhesive alternative: mix the main agent with the 868 curing agent, apply, press the joint, and the belt can return to light operation in as little as 20 minutes.
Because this belt repair adhesive cures and self-extinguishes after leaving an ignition source, HUAYE-818 is suited to environments with strict flame safety requirements, including coal mining operations, while remaining effective across a wide operating temperature range from −5°C to 80°C.
Where HUAYE-818 Is Used
HUAYE-818 is commonly used for belt joint bonding on canvas and nylon fabric-core conveyor belts across mining, port, and industrial plant operations — particularly where flame-retardant performance and fast turnaround matter more than the highest-tonnage steel cord splices.
Technical Specifications
| Product Type | 2-component, flame-retardant cold-bonding adhesive |
|---|---|
| Application | Belt joint bonding — canvas / nylon fabric-core belts |
| Curing Method | Room-temperature and pressure curing (no heat source required) |
| Operating Temperature | −5°C to 80°C |
| Environment Suitability | Suitable for coal mine fire- and explosion-proof environments |
| Peel Strength (N/2.5cm) | ≥80 after 2 hr cure | ≥140 after 24 hr cure |
| Shear Strength (MPa) | ≥2.0 after 20 min | ≥3.4 after 24 hr cure |
| Usable After | 20 minutes |
| Flame Retardancy | Self-extinguishing after leaving the fire source |
| Shelf Life | 18 months (cool, dry storage) |
| Packaging | Component A (main agent): 1 kg/can | Component B (868 curing agent): 100 g/bottle |
How to Apply HUAYE-818
- Mix the HUAYE-818 main agent thoroughly with the 868 curing agent (Component B).
- Apply 3 coats of the mixed adhesive evenly onto the dry, clean joint surface.
- Allow the solvent to evaporate until the film feels tacky but not wet — an IR lamp can be used to speed this up.
- Align the joint front-to-back, ensuring accurate positioning before pressing.
- Press the joint with a rubber mallet, working from center to edges in 2–3 passes to expel trapped air.
- Rest the joint for 20 minutes before returning the belt to operation.
Packaging
Handling Notes
Contains organic solvents — mildly toxic, so ensure adequate ventilation during application.
Keep the bonding surface dry; avoid any contact with water before and during curing.
If viscosity increases over time, the adhesive may be thinned with an appropriate diluent.
Frequently Asked Questions
Is HUAYE-818 a cold bonding adhesive or a hot vulcanizing compound?
HUAYE-818 is a cold bonding adhesive — it cures at room temperature under pressure and does not require heating equipment, unlike hot vulcanizing splicing materials.
How long before the belt can return to operation?
The joint becomes usable after 20 minutes, with shear strength reaching ≥2.0 MPa at that point and continuing to build to ≥3.4 MPa after a full 24-hour cure.
Is HUAYE-818 suitable for coal mining environments?
Yes. HUAYE-818 is self-extinguishing once removed from a fire source, making it suitable for coal mine fire- and explosion-proof requirements.
What types of belts is HUAYE-818 compatible with?
HUAYE-818 is designed for joint bonding on canvas and nylon fabric-core conveyor belts.
How should HUAYE-818 be stored?
Store in a cool, dry place. Under these conditions, the shelf life is 18 months.
Need HUAYE-818 for Your Next Belt Repair?
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