Comparative analysis of water-proof abrasive paper and dry abrasive paper
Release Date：2023-05-26 15:54
In the grinding industry, sandpaper is widely used and can be categorized into dry abrasive paper, waterproof abrasive paper, and sponge abrasive paper. These types of sandpaper share a common characteristic of using a binder to bond different abrasives with the paper substrate. This article provides a comprehensive analysis of waterproof abrasive paper and dry abrasive paper, highlighting their characteristics, applications, and advantages in various grinding operations.
Waterproof Abrasive Paper:
Waterproof abrasive paper is made by bonding aluminum oxide or silicon carbide onto a water-resistant substrate or a substrate treated for water resistance. Synthetic resin or varnish is used as the binder. Due to its ability to be immersed in water during the grinding process, waterproof abrasive paper is also known as water-resistant sandpaper. The small gaps between the abrasive particles in the waterproof abrasive paper make it challenging to clean the debris generated during grinding when used alone. Therefore, it is necessary to use water to flush away the debris, ensuring a clean surface and achieving fine grinding effects. Waterproof abrasive paper is particularly suitable for finishing operations.
Dry Abrasive Paper:
Dry abrasive paper appears to be less complicated than waterproof abrasive paper. The larger gaps between the abrasive particles in the dry abrasive paper allow the debris generated during grinding to fall off due to greater clearance. Dry abrasive paper is commonly used for coarse grinding operations. Although it offers advantages such as anti-clogging, anti-static properties, flexibility, and high wear resistance, it tends to generate more dust pollution. Adequate protective measures, such as wearing appropriate protective equipment, are necessary while working with dry abrasive paper. However, considering the robust functionality of dry abrasive paper, dust pollution can be accepted.
1. Grinding Conditions:
Waterproof abrasive paper is primarily used in wet grinding conditions, resulting in less dust and providing a better working environment. On the other hand, dry abrasive paper, despite its features of anti-clogging, anti-static properties, good flexibility, and high wear resistance, generates heavier dust pollution, requiring precautions and protective measures during operation.
2. Application Range:
Waterproof abrasive paper is preferred for finishing operations due to its ability to maintain a clean surface with the help of water. It is suitable for tasks where precision and smoothness are critical. In contrast, dry abrasive paper is commonly used for coarse grinding, where precision is not the primary requirement.
3. Ease of Use:
Waterproof abrasive paper requires water as a lubricant and to carry away debris, ensuring efficient grinding. Dry abrasive paper, being used without water, eliminates the need for constant wetting and can be convenient for applications where a dry surface is preferred.
Both waterproof abrasive paper and dry abrasive paper have their unique advantages and applications in the grinding industry. Waterproof abrasive paper is ideal for finishing operations, providing a clean surface and enabling precision grinding. Dry abrasive paper, with its anti-clogging, anti-static properties, and high wear resistance, is suitable for coarse grinding tasks. Professionals should choose the appropriate type of sandpaper based on the specific requirements of their grinding operations, considering factors such as precision, surface condition, and working environment.
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