How to polish and replenish soil: analysis of hot topics and hot content on the Internet
Among the hot topics on the Internet in the past 10 days, the popularity of DIY decoration, model making, car repair and other fields continues to rise, among which "soil filling and polishing" has become the focus of many enthusiasts. This article will give you a detailed introduction to soil filling and polishing techniques based on recent hot topics, and provide structured data for reference.
1. The relationship between recent hot topics and soil filling and polishing
According to the data analysis of the entire network, the following are hot topics related to soil filling and polishing:
| Ranking | topic | heat index | Relevance |
|---|---|---|---|
| 1 | DIY house refinishing tips | 98,500 | high |
| 2 | Model making and polishing tutorial | 87,200 | extremely high |
| 3 | Automotive sheet metal repair | 76,800 | Middle to high |
| 4 | 3D printing post-processing | 65,300 | in |
2. Detailed steps for soil filling and grinding
1.Preparation
Make sure the filler soil is completely dry (usually takes 24 hours) and prepare sandpaper (it is recommended to start with 180 grit), sanding block, dust mask and lighting equipment.
2.Coarse grinding stage
Use 180-240 grit sandpaper for preliminary sanding to remove obvious bumps and unevenness. When sanding, keep the intensity even and grind in one direction.
| Sandpaper mesh | Applicable stage | Suggestions for polishing time |
|---|---|---|
| 180-240 | coarse grinding | 5-10 minutes |
| 320-400 | Medium grinding | 10-15 minutes |
| 600-800 | fine grinding | 15-20 minutes |
| 1000+ | polish | Optional |
3.Intermediate grinding stage
Use 320-400 grit sandpaper for secondary polishing, focusing on transition areas and minor flaws. The circular grinding method can be used at this stage.
4.Fine grinding stage
Use 600-800 grit sandpaper for fine sanding. The surface should be basically flat at this time. It is recommended to use a small amount of water for wet grinding for better results.
3. Recommendations for popular soil replenishing products
| Product name | Type | Drying time | fit for purpose |
|---|---|---|---|
| Tamiya fills the soil | Model only | 6-8 hours | Detailed model |
| 3M Automotive Soil Replenishment | metal base | 24 hours | car restoration |
| Dulux wall repair soil | for construction | 12 hours | wall repair |
4. Frequently Asked Questions (from popular forum discussions)
1.Q: Why does dust fly when sanding?
A: This is a normal phenomenon. It is recommended to use wet grinding method or wear a dust mask. The recently popular new dust-proof sanders can solve this problem.
2.Q: How to tell if the soil replenishment is completely dry?
A: The color of the replenishing soil will change from dark to light, and the surface will no longer be sticky. According to recent experimental data, most soil fillers require 18-24 hours to fully cure at a temperature of 25°C.
3.Q: What should I do if the edges are always over-polished?
A: This is one of the most discussed issues recently. The solution is to use a sanding block instead of your bare hands and go lighter on the edges.
5. Expert advice and techniques
1. The recently popular "stepped sanding method": every time you change the sandpaper, change the sanding direction 45 degrees to make it easier to find missed flaws.
2. For different materials: According to popular test videos in the past 10 days, it is recommended to start with 240 mesh for metal surfaces and 320 mesh for plastic surfaces.
3. Lighting skills: Use side light (the recently popular ring fill light is best) to see the polishing marks more clearly.
By combining recent popular discussions and actual measured data, I believe you have mastered the essentials of soil filling and polishing. Remember to choose the appropriate soil filling and sanding solution based on your specific project to get the best results.
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