2 Products
Q BOND
Your Current Vehicle
Or
Select Your Vehicle
Popular Part Types
Only part types stocked for this brand are shown.
Car Parts Categories
Browse the main catalogue areas in which this brand has matching products.
Other popular manufacturers of aftermarket automotive parts
Explore established alternatives with related products in the current catalogue.
Q-Bond: understand the range before choosing
Q-Bond is a repair-chemical brand. This page contains two chemically and functionally different products: the QB2 adhesive repair kit with two 10ml cyanoacrylate bottles plus one black and one grey reinforcing powder, and QB7GM, an 85g dark-grey RTV silicone gasket maker. The adhesive-and-powder system fills local cracks and gaps; the flexible silicone forms approved flange seals. They must not be mixed or substituted.
AutoMotoPart currently lists 2 Q-Bond items. The largest Q-Bond groups are 2 maintenance entries. Q-Bond totals can change, so a category count is orientation rather than proof that a particular reference suits a vehicle, workplace or job. The exact Q-Bond listing, its current technical information and the item in front of you must agree.
What the Q-Bond page actually covers
| Product group in this range | Current entries | Selection focus |
|---|---|---|
| Maintenance | 2 | The maintenance page contains QB2 rigid adhesive-and-powder repair and QB7GM flexible RTV gasket maker; keep their instructions separate. |
There are two products, not two strengths of one adhesive. QB2 contains four active kit components and makes hard filled repairs. QB7GM is a single 85g silicone tube intended to remain flexible. Package dimensions and an ultra-strong title do not establish structural load, pressure, gap size or vehicle approval.
Build a reliable shortlist
Identify the component material and original repair method. Determine whether the joint must remain flexible, be dismantled later, carry structural load, contain pressure or contact fuel, oil, coolant or transmission fluid. If the manufacturer specifies replacement or a particular sealant, follow that procedure rather than choosing by a broad material list.
| Check | Why it matters | Useful evidence |
|---|---|---|
| Repair type | Rigid crack filling and flexible flange sealing behave differently | QB2 powder system or QB7GM RTV instruction |
| Material | Some low-energy plastics, silicone rubber and stainless are excluded | Material identification and Q-Bond compatibility list |
| Load | Adhesive strength does not prove crash, pressure or fatigue capability | Engineering repair method and component safety role |
| Fluid | Oil, coolant, transmission fluid and fuel impose different duties | Exact QB7GM label and equipment-maker sealant spec |
| Temperature | A headline maximum is not continuous joint approval | Actual flange temperature, cycling and product duty |
| Cure | Surface set can precede full depth and chemical resistance | Bead thickness, humidity, time and current directions |
Do not use QB2 powder to bulk out a gasket bead or add cyanoacrylate to RTV. Each chemistry needs its own surface preparation and cure. Combining them produces an unevidenced joint that may block passages or fail unpredictably.
QB2 adhesive, black powder and grey powder
Q-Bond's technical sheet identifies QB2 as two identical clear ethyl-cyanoacrylate adhesives, one black reinforcing powder and one light-grey powder. The black powder is primarily associated with hard plastics; grey with metal. Two separate adhesive bottles preserve unopened shelf life. Puncture and dispense only as directed, then cap cleanly without transferring powder into the bottle.
For a gap repair, clean and dry the compatible substrate, support it in alignment and build the powder and adhesive in small controlled stages by the manual. Do not flood a deep mass. The reaction is fast and can become hot. Allow cooling and final cure before sanding or drilling, and use dust control and eye protection because cured repair and surrounding substrate can produce harmful particles.
Cyanoacrylate compatibility and safety
Q-Bond states that polyethylene, polypropylene, silicone-based rubber and stainless steel are exceptions. Paint, plating, aged plastic, oily metal and unknown composite also require a test. A bond to the surface does not prove the underlying cracked part can carry its original cyclic or impact load. Replace components where failure could harm people or disable a safety system.
Avoid skin and eye contact and keep the face out of vapour. Cyanoacrylate bonds tissue rapidly. Follow the safety sheet for first aid and never pull bonded skin apart by force. Cotton and wool can react vigorously with liquid cyanoacrylate, so do not use them for wiping spills. Ventilate, isolate the spill and use the specified absorbent and disposal route.
QB7GM RTV silicone gasket maker
QB7GM is listed as an 85g dark-grey or charcoal RTV silicone flange sealant that cures flexible. Product records state use in eligible joints exposed to oil, transmission fluid, water and antifreeze mixtures and describe a high-temperature tolerance up to 300°C. Verify the current tube because fluid and temperature resistance depend on full cure, bead geometry and exposure duration.
The published cure wording of one hour per 0.1mm shows that thickness matters, but ambient humidity and temperature also affect RTV. Do not assume an outer skin means the centre has cured. Follow the exact assembly, finger-tightening or torque sequence and return-to-service time provided for the component and sealant. Keep the cap and nozzle clean for controlled later use.
Flange preparation, bead and assembly
Remove old gasket material without gouging the flange or sending debris into the assembly. Clean by the equipment maker's approved solvent and leave surfaces dry unless the Q-Bond directions specifically allow residual oil. Check flatness, cracks, bolt condition and thread holes. Silicone cannot correct a warped cover, damaged casting or lost clamp load.
Apply a continuous bead of the specified diameter, normally routing around bolt holes according to the repair manual. Too much can squeeze inward and detach into an oil pickup, coolant passage or control valve; too little leaves a gap. Assemble within the stated working time, tighten in sequence and do not retorque by guess. Remove only external excess after the instructed stage.
Application boundaries and verification
Sensor-safe after cure is useful but not blanket approval for every oxygen sensor, catalytic system or electronic component. Do not use RTV on a head gasket, exhaust joint, fuel system, pressurised hydraulic seal or formed-gasket location unless the manufacturer explicitly specifies this exact type. The 300°C figure alone is insufficient for exhaust gas or flame exposure.
After full cure, fill with the correct fluid, inspect and test by the vehicle procedure. Monitor leakage, pressure and temperature after operation. If a joint leaks, dismantle and diagnose surface, torque, bead and cure rather than adding an external smear. Record product code, batch, cure interval and assembly method for future service.
From identification to a checked result
| Stage | Good practice for this range | Mistake to avoid |
|---|---|---|
| Identify | Confirm material, joint, load, fluid, temperature and original method | Choosing ultra strong as an engineering approval |
| Select | Use QB2 rigid fill or QB7GM flexible flange seal only | Mixing powder, cyanoacrylate and RTV |
| Prepare | Clean, align, inspect damage and arrange ventilation and PPE | Bonding dirt, oil or a warped flange |
| Apply | Use small powder layers or the specified continuous RTV bead | Flooding adhesive or squeezing silicone into passages |
| Cure | Wait the full depth-dependent interval, then test the repair | Returning to service after surface set alone |
Keep the Q-Bond code and repair location in the service record. A later technician needs to know whether a hard powder repair or flexible RTV is present before heating, machining or dismantling the component.
Reading real Q-Bond references
The Q-Bond names below are examples from the current range and show why the complete description matters. They are not universal Q-Bond recommendations and should not be treated as a fitment list. Within Q-Bond, a shared family word can conceal a different dimension, connector, material, pack format, operating condition or installation side.
| Example listing | What to verify beyond the name |
|---|---|
| Ultra Strong Adhesive Repair Kit | QB2: two 10ml adhesive bottles, black powder, grey powder, compatible material and non-safety-critical load |
| Q-Bond Ultra Strong Gasket Maker | QB7GM: 85g dark-grey RTV, approved flange, fluid, temperature, bead and full-cure requirement |
The live kit description says bonds almost any surface and permanent within seconds, but Q-Bond itself lists material exceptions and full performance depends on application. The gasket-maker's 300°C and sensor-safe claims remain conditional on cure and exact joint approval.
Common errors around Q-Bond products
- Using QB2 on polyethylene, polypropylene, silicone rubber or stainless steel despite stated exceptions.
- Repairing a brake, steering, restraint, suspension, fuel or other safety-critical part with a general adhesive.
- Standing over the powder reaction or allowing cyanoacrylate onto skin or eyes.
- Wiping liquid cyanoacrylate with cotton or wool and triggering rapid heat.
- Mixing Q-Bond powder or adhesive with QB7GM silicone.
- Using gasket maker where the equipment maker requires a formed gasket or dry assembly.
- Applying excess RTV that squeezes into oil, coolant or control passages.
- Filling or running the assembly before the full bead depth has cured.
Q-Bond questions and answers
Q: What is in the QB2 repair kit?
A: Two identical 10ml cyanoacrylate bottles, one black powder and one light-grey powder.
Q: What is black powder mainly for?
A: Q-Bond positions it primarily for compatible hard-plastic repairs.
Q: What is grey powder mainly for?
A: Q-Bond positions it primarily for compatible metal applications.
Q: Does Q-Bond work on every material?
A: No. Q-Bond lists polyethylene, polypropylene, silicone rubber and stainless steel as exceptions.
Q: Can QB2 repair safety-critical parts?
A: Do not use it unless an authoritative component repair procedure explicitly approves the exact repair.
Q: Why is ventilation needed?
A: Cyanoacrylate and its powder reaction can release irritating vapour and bond tissue rapidly.
Q: Can a cotton cloth wipe a spill?
A: No. Cyanoacrylate can react rapidly with cotton or wool and generate heat.
Q: What is QB7GM?
A: An 85g dark-grey room-temperature-vulcanising silicone gasket maker.
Q: Does QB7GM stay flexible?
A: Yes after cure, subject to correct bead, joint and service conditions.
Q: Can it replace every gasket?
A: No. Use it only where the component maker allows an RTV formed-in-place seal.
Q: Does 300°C mean it suits exhausts?
A: No. A headline tolerance does not prove exhaust, flame or continuous-temperature approval.
Q: When can the assembly return to service?
A: Only after the full bead has cured for the label time and the repair procedure permits filling and operation.
