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ZF9308 Mud Yellow Filler Putty is a single-component finishing putty manufactured by ZUOTONG Chemical, formulated for spot repair and surface leveling in automotive and industrial coating processes. This product is designed to fill minor scratches, pinholes, sanding marks, and small surface imperfections on cured paint films and primer surfaces. As a 1K air-drying putty, it requires no hardener activation and can be applied directly from the container, which reduces preparation time for commercial users handling high-volume repair workflows.
The mud yellow color provides visible contrast against most primer and basecoat surfaces, allowing applicators to identify low spots and remaining imperfections during the sanding process. Each 1-liter can contains a net weight of approximately 1 kilogram of ready-to-use putty, and cartons are packaged with 18 cans per unit for bulk ordering by industrial clients.
ZF9308 is supplied as a ready-to-use single-component system. No mixing with hardener or catalyst is required before application. This eliminates mixing-ratio errors and reduces material waste, which is relevant for body shops and industrial coating lines that process multiple repair jobs per day.
At a standard ambient temperature of 20°C, the applied putty reaches a sandable state in approximately 30 minutes. Drying time increases with thicker film builds, so thin-layer application is recommended. The cured film can be sanded with conventional abrasive paper, and the mud yellow pigment helps operators detect uneven areas during the sanding step.
The putty is intended for filling minor surface defects including fine scratches, pinholes, and shallow imperfections. It is not formulated for bare metal substrates or large-area body filling. For deep repairs exceeding the product's filling capacity, a polyester body filler should be applied first, followed by ZF9308 as a finishing layer.
ZF9308 adheres to the following prepared surfaces:
Cured and sanded old paint films
Cured polyester body filler
Cured primer surfacer
Cured 2K primer surfaces
The substrate must be clean, dry, and free of grease, wax, and loose particles before application.
Apply the putty directly using a putty knife, soft rubber applicator, or plastic squeegee. Build the film in thin layers, allowing a flash-off interval of 10-15 minutes between successive coats. For small repair areas, the cured putty can be sanded directly and followed by topcoat application. For larger areas, a primer surfacer should be applied over the sanded putty before the topcoat stage.
Parameter | Specification |
|---|---|
Component System | 1K (single-component) |
Color | Mud Yellow |
Sanding Time at 20°C | Approx. 30 minutes |
Flash-off Between Coats | 10-15 minutes |
Net Content per Can | 1L (1kg) |
Carton Quantity | 18 cans per carton |
Shelf Life | 2 years (unopened original packaging) |
ZF9308 is packaged in 1-liter metal cans, with 18 cans per carton. The product should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and heat sources. Under recommended storage conditions, the shelf life is 2 years in unopened original packaging. After opening, the container should be resealed immediately to prevent skinning and solvent evaporation.
This product is intended for professional use only. Operators must wear appropriate personal protective equipment, including nitrile gloves, safety goggles, and a respirator suitable for organic vapor and particulate exposure. Fire precautions are required during storage and application, as the product contains flammable solvents. Keep the material out of reach of children. For technical or safety inquiries, contact the supplier directly.
No. ZF9308 is not formulated for direct application to bare metal substrates. It should be applied to cured and sanded paint films, polyester body filler, primer surfacer, or cured 2K primer surfaces.
At 20°C, the putty reaches a sandable state in approximately 30 minutes. Thicker applications require longer drying times.
No. ZF9308 is a single-component (1K) product and is ready to use directly from the can without adding a hardener or catalyst.
The shelf life is 2 years when stored in unopened original packaging under cool, dry, and well-ventilated conditions.
Each carton contains 18 cans of 1 liter each.
