AEROGLAZE K3425A GALLON: Part A Primer Base
AEROGLAZE K3425A GALLON is the Part A base for the K3425 sandable primer/surfacer. Supplied in a 1-gallon can under code Z/3001419, it requires the matching K3425B curative. On metal, the mixed system is intended for use over a suitable primer, not directly on bare metal.
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AEROGLAZE K3425A GALLON is the liquid base for the K3425 sandable primer/surfacer. This listing covers Aeroglaze K3425 Part A in a 1-gallon can, under product code Z/3001419. The base requires the matching K3425B curative to form the two-component primer system. It is not a ready-to-apply primer or a complete A+B kit.
Is K3425 Right for the Surface?
Start by identifying what the coating will actually contact. A bare metal surface and a metal surface that already has a suitable primer are different application cases, even when the underlying component is the same.
| Surface | What to confirm before specifying K3425 |
| Epoxy graphite | SOCOMORE lists K3425 as a primer for epoxy graphite. Check the surface preparation and coating sequence specified for the part. |
| Other plastic substrates | Confirm the exact substrate and its preparation requirements. The manufacturer’s description does not establish compatibility with every plastic. |
| Previously primed metal | Verify that the existing primer is suitable for the specified coating system. |
| Bare metal | K3425 is not specified for direct-to-metal application. |
If a work order says only “primer for metal,” check whether it calls for a coating directly on the substrate or a surfacer over an existing primer. That distinction should be resolved before ordering the K3425A primer base.
Match the Base With the Specified Curative
The matching component is AEROGLAZE K3425B PINT, code Z/3001422. If your materials list calls for the complete system, request Part A and Part B as separate line items. Do not select a curative solely because it carries the Aeroglaze name or comes in the same pack size.
The SOCOMORE K3425 Technical Data Sheet provides the mixing and application information. The gallon and pint designations identify the cans; they should not be used to infer the mixing ratio.
Two Timings to Check Before Scheduling the Job
SOCOMORE publishes the following figures for the mixed K3425 system at 25°C and 50% relative humidity:
| Published reference | Time | What it describes |
| Pot life | 4 hours | The usable period after Part A and Part B are mixed. |
| Time to a sandable condition | 6 hours | The condition of the applied primer/surfacer under the stated reference conditions. |
Neither figure describes Part A on its own. Time to a sandable condition is also not a full-cure time or permission to sand without a safety review. Check the applicable K3425A Safety Data Sheet, the Part B SDS and your site procedure before handling, application or sanding.
Frequently Asked Questions
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Can K3425A be used without Part B?
No. K3425A is the base component. The manufacturer specifies K3425B as the matching curative for the K3425 system.
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Does “GALLON” mean a full gallon of liquid?
It identifies the can size. The manufacturer’s TDS lists the Part A gallon can as 90% full. If net quantity is specified on your purchase order, confirm it against the pack label or supply documentation.
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What should I provide if the coating procedure names a specific substrate or specification?
Include the substrate, any existing primer and the required specification or revision in your enquiry. This gives RIO Middle East the information needed to identify the requested configuration and documentation without assuming compatibility from the product name alone.
Request a Quote From RIO Middle East
Use Add to Quote and specify Z/3001419, the number of Part A cans required, whether you also need K3425B, and any technical or safety documents required for the job. If the work calls for a different coating system, browse RIO Middle East’s Primers category.
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