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Product Name:

1KPP Plastic Filler Primer

PP plastic primer is a single-component coating primarily used on PP material surfaces. It offers excellent filling properties, strong resistance to permeation, and fast drying, effectively enhancing the adhesion of topcoats.


Product details:

1KPP Plastic Filler Primer

Product Features

  • PP plastic primer is a single-component coating, primarily used on PP material surfaces.
  • It features excellent filling properties, strong resistance to permeation, and fast drying, effectively enhancing the adhesion of the topcoat.

Applicable Substrate

  • Automotive plastic bumper made from PP material.

Construction Techniques

Surface cleaning

Grind the surface of the plastic parts and clean thoroughly with clear water; then use a dust-free cloth to wipe away any dust spots and silver powder particles from the surface.

Mixing ratio (volume ratio)

PP Plastic Filler Primer (1K): Thinner
1 : 1–1.5

Spray coating viscosity and workable time

Spray viscosity: 16–18″ (DIN 4 cup)

Applicable working time: 4 hours at 25°C

Spray tools and air pressure

Gravity-fed (top-pot) 1.2–1.4 mm
Siphon (bottom boiler) 1.3–1.5 mm
Traditional spray gun: 3–4 bar
RP Spray Gun 2.0–2.5 bar
HVLP Spray Gun, 2.0 Bar

Number of Spray Coats / Film Thickness

Apply 2-3 layers of wet spraying
Film thickness is approximately 25–35 µm.

Flash-drying time

Allow interlayer flash drying for 5–10 minutes at 25°C.

Resting time

Allow to stand for 10 minutes before heating and baking.

Drying Time

Temperature

Surface drying time

Watermill Time

Dry grinding time

25°C

15 minutes

20 minutes

40 minutes

60°C

/

/

10 minutes

 

Apply the next coat as recommended.

After spraying, let it sit for 5–10 minutes until surface-dry, then sand; followed by 10 minutes of baking at 60°C before dry-grinding can begin.

The previous one

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Our strengths

The company boasts a dedicated, in-house R&D team and currently holds multiple invention and utility model patents. In 2012, the company played a key role in drafting the industry standard HG/T 4561-2013, "Unsaturated Polyester Putty." Additionally, in 2021, it contributed to the development of a national standard—GB/T 41953-2022, "Paints and Varnishes—Determination of Moisture Content in Coatings by Gas Chromatography"—as well as the revision of another national standard: GB/T 6739, "Paints and Varnishes—Determination of Film Hardness by Pencil Method." In the coming years, the company plans to actively collaborate with several universities and research institutions through industry-academia partnerships, fostering innovation and co-developing cutting-edge products tailored to meet both customer needs and market demands. At the same time, we will continue strengthening our intellectual property strategy, with an ongoing focus on applying for and securing recognition for advanced technology projects. This includes pursuing certifications such as National High-Tech Enterprise status, Zhaoqing City High-Tech Enterprise designation, Guangdong Provincial Engineering Technology Research Center accreditation, and Zhaoqing City Engineering Technology Research Center certification, among others.

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Factory Strength

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Factory Strength

Factory 21
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Exhibition and trade shows

Wuhan Expo 5

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Wuhan Exhibition 4

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Wuhan Expo 3

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Wuhan Exhibition 2

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Wuhan Exhibition 1

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Wuhan Exhibition

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Exhibition and trade shows

Wuhan Expo 5
Wuhan Exhibition 4
Wuhan Expo 3
Wuhan Exhibition 2
Wuhan Exhibition 1
Wuhan Exhibition

Qualifications and Honors

RoHS 2.0 Certificate for Unsaturated Polyester Putty

RoHS 2.0 Certificate for Unsaturated Polyester Putty

Quality System Certificate

Quality System Certificate

Environmental Management System Certificate

Environmental Management System Certificate

Specialized, Specialized, and New Small and Medium-Sized Enterprises

Specialized, Specialized, and New Small and Medium-Sized Enterprises

Guangdong Provincial Engineering Technology Research Center

Guangdong Provincial Engineering Technology Research Center

Qingyuan City Engineering Technology Research and Development Center

Qingyuan City Engineering Technology Research and Development Center

High-Tech Enterprise Certificate 2024

High-Tech Enterprise Certificate 2024

High-Tech Enterprise Certificate 2023

High-Tech Enterprise Certificate 2023

Invention Patent (A Preparation Method for Polyester Resin Suitable for Sprayable Atomic Putty, Atomic Putty Itself, and Its Preparation Method)

Invention Patent (A Preparation Method for Polyester Resin Suitable for Sprayable Atomic Putty, Atomic Putty Itself, and Its Preparation Method)

Invention Patent (A Solvent-Resistant Mud Yellow Eyeshadow and Its Preparation Method – Invention Patent Certificate)

Invention Patent (A Solvent-Resistant Mud Yellow Eyeshadow and Its Preparation Method – Invention Patent Certificate)

A scrape-coated mid-coat automotive coating based on thermoplastic acrylic resin and its preparation method – Invention Patent Certificate

A scrape-coated mid-coat automotive coating based on thermoplastic acrylic resin and its preparation method – Invention Patent Certificate

A High-Speed Rail Atomic Primer and Its Preparation Method – Invention Patent Certificate

A High-Speed Rail Atomic Primer and Its Preparation Method – Invention Patent Certificate

A Dual-Axis Mixing and Dispersion Device for Coating Production – Utility Model Patent Certificate

A Dual-Axis Mixing and Dispersion Device for Coating Production – Utility Model Patent Certificate

A Tail Gas Recovery and Treatment System for a Coating Production Workshop – Utility Model Certificate

A Tail Gas Recovery and Treatment System for a Coating Production Workshop – Utility Model Certificate

A Fully Automatic Water-Based Coating Filling and Weighing System – Utility Model Certificate

A Fully Automatic Water-Based Coating Filling and Weighing System – Utility Model Certificate

A Water-Based Coating Dispersion Vessel with a Dual-Dispersion Stirrer Head – Utility Model Certificate

A Water-Based Coating Dispersion Vessel with a Dual-Dispersion Stirrer Head – Utility Model Certificate

An Eco-Friendly Coating High-Speed Dispersion Device – Utility Model Certificate

An Eco-Friendly Coating High-Speed Dispersion Device – Utility Model Certificate

Utility Model Patent Certificate – A High-Level Coating Tank

Utility Model Patent Certificate – A High-Level Coating Tank

Utility Model Patent Certificate – A Device for Pouring from Iron Drums

Utility Model Patent Certificate – A Device for Pouring from Iron Drums

Utility Model Patent Certificate – A Resin Raw Material Storage Tank

Utility Model Patent Certificate – A Resin Raw Material Storage Tank

Certificate of Honor 2

Certificate of Honor 2

Certificate of Honor 1

Certificate of Honor 1

Certificate of Honor

Certificate of Honor

Product Inquiry


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