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Plastic bumper alloy gray
Plastic alloy putty is composed of a base paste made from specialized polymer materials and a BPO curing agent. Designed specifically for plastic substrates, it boasts exceptional adhesion and outstanding resistance to deformation. The product offers excellent workability, allowing for quick filling of defects while delivering a smooth, even surface finish. It dries rapidly, enabling fast sanding with superior sanding performance—resulting in a细腻, smooth, and perfectly flat putty film that meets the demands of high production efficiency.
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Product details:
Plastic bumper alloy gray
Technical specifications
Construction mix ratio: Putty: BPO curing agent = 100 : 2 (by weight)
Workable time after mixing: 2–5 minutes (varies depending on the hardener ratio and temperature changes)
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Testing Items |
Test Results |
Testing Standards |
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Material Status |
Black-gray paste, uniformly thickened, free of hard lumps. |
GB3186-82 (4) |
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Viscosity |
10–11 cm |
GB1749-89 |
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Workable Spreading Time |
The endpoint is when clumping occurs within 2–5 minutes, making it impossible to spread or apply. |
GB1727-92 |
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Surface drying time |
≤10min |
GB1728-79 |
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Time that can be polished |
≥25min |
GB1728-79 Type C |
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Flexibility |
≥50–100 mm |
GB1748-79 |
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Adhesion Pull-Off Test, MPa |
Not less than 1.5 MPa |
GB5210-2006 specifies the procedure to be followed |
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Impact resistance |
≥15 kg·cm |
GB1732-93 |
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Heat resistance (120°C ± 2°C) 1 hour |
No powdering, no cracking, and no flaking. |
GB1735-79 Method for Determining the Heat Resistance of Paint Films |
Product Features and Suitable Substrates
- Suitable substrate: Effective for repairing dents and scratches on automotive plastic bumpers made of materials such as PP, PC, and ABS.
- Plastic alloy putty is composed of a base paste made from specialized polymer materials and a BPO curing agent, specifically designed for plastic substrates.
- It features strong adhesion and excellent resistance to deformation, with outstanding construction performance.
- Fills defects quickly and produces a smooth surface; dries rapidly and can be sanded down swiftly.
- It delivers excellent performance, resulting in a fine, smooth, and even putty film after sanding—perfectly meeting the efficiency demands of production.
Construction Instructions
- Sand the substrate ready for puttying, removing grease and moisture.
- Thoroughly mix the putty with the hardener until the color is evenly consistent.
- Quickly level after mixing within the workable time.
- After applying and scraping, allow it to harden before sanding.
- Thoroughly clean or sand the surface of plastic parts to remove oil stains, scratches, and other imperfections. Since dry grinding of plastics generates dust and static electricity, after sanding, use clean water or a damp, lint-free cloth to wipe away any remaining dust from the surface, followed by a final blow-down with an air blower to ensure the area is completely free of debris. Before applying the coating, make sure the sanded area is clean and completely dry.
- It is strictly prohibited to add diluents, such as thinner or turpentine, to reduce the viscosity of the coating. Adding solvents to the putty can lead to issues like bubbling, sagging, and cracking in the finished coat.
- After using the putty and hardener, immediately tighten the lids. Used putty must never be returned to its original container.
- During use, storage, and transportation, comply with relevant national safety regulations. It is recommended to wear safety goggles and protective gloves to prevent direct contact between skin and eyes and the product, as well as to avoid inhaling its vapors.
Important Notes
- Store in a cool, dry place, away from heat and ignition sources, and protect from direct sunlight.
- If bubbles seep in during application, use a scraper to smooth it out thoroughly, ensuring excellent adhesion.
- If a thick coat is needed, apply multiple thin layers until the desired thickness is achieved.
- Unused putty and hardener must be stored tightly sealed; putty mixed with hardener should not be returned to its original container.
- Shelf life: 12 months.
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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.
Factory Strength
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Factory Strength
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Qualifications and Honors
RoHS 2.0 Certificate for Unsaturated Polyester Putty
Quality System Certificate
Environmental Management System Certificate
Specialized, Specialized, and New Small and Medium-Sized Enterprises
Guangdong Provincial Engineering Technology Research Center
Qingyuan City Engineering Technology Research and Development Center
High-Tech Enterprise Certificate 2024
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 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 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 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 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
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 Resin Raw Material Storage Tank
Certificate of Honor 2
Certificate of Honor 1
Certificate of Honor
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Sihui Company Address:
No. 10 Chuangzhan 1st Street, Jianggu Fine Chemical Zone, Sihui City
Qingyuan Company Address:
No. 10 Jia Shun Road, Jin Fu Industrial Zone, Yin Zhan, Qingcheng District, Qingyuan City
Phone:86-763-3697988
International:86-180-2330-1776
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