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All dimensions are in millimeters (mm). Tolerances may vary depending on material grade and manufacturing process.
| 📏Length × Width (mm) | 🔲Dimensional Tolerances (mm) | 📦Standard Thickness (mm) | 🔧Thickness Tolerances (mm) |
|---|---|---|---|
| 10 × 10 | ±0.1 | 0.5 / 1.0 / 2.0 | ±0.05 ~ ±0.1 |
| 20 × 20 | ±0.1 | 0.5 / 1.0 / 2.0 / 3.0 | ±0.05 ~ ±0.1 |
| 30 × 30 | ±0.1 | 1.0 / 2.0 / 3.0 | ±0.05 ~ ±0.1 |
| 40 × 40 | ±0.1 ~ ±0.2 | 1.0 / 2.0 / 3.0 / 4.0 | ±0.08 ~ ±0.1 |
| 50 × 50 | ±0.1 ~ ±0.2 | 1.0 / 2.0 / 3.0 / 5.0 | ±0.08 ~ ±0.1 |
| 60 × 60 | ±0.2 | 2.0 / 3.0 / 5.0 | ±0.1 |
| 80 × 80 | ±0.2 | 2.0 / 3.0 / 5.0 | ±0.1 |
| 100 × 100 | ±0.2 ~ ±0.3 | 2.0 / 3.0 / 5.0 | ±0.1 |
| 150 × 150 | ±0.3 | 3.0 / 5.0 | ±0.1 ~ ±0.2 |
| 200 × 200 | ±0.3 ~ ±0.5 | 3.0 / 5.0 | ±0.1 ~ ±0.2 |
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Frequently Asked Questions
Q1
What do the dimensional tolerances in this table refer to?
Dimensional tolerances refer to the allowable deviation in the length and width measurements of the finished product. For example, a tolerance of ±0.1 mm means the actual dimension may be up to 0.1 mm larger or smaller than the specified size, which is considered within acceptable quality standards.
Q2
Why do larger sizes have wider dimensional tolerances?
As the size of a component increases, minor variations during the manufacturing process have a proportionally greater impact on the final dimensions. Therefore, larger sizes such as 150×150 mm and 200×200 mm are assigned wider tolerances (e.g., ±0.3 ~ ±0.5 mm) to account for these natural process variations while still maintaining functional quality.
Q3
Can custom thickness options be provided outside the standard specifications?
The standard thickness options listed in the table (such as 0.5 mm, 1.0 mm, 2.0 mm, 3.0 mm, and 5.0 mm) cover the most common application requirements. For custom thickness requirements outside these standard options, please contact the manufacturer directly to discuss feasibility, minimum order quantities, and lead times.
Q4
What is the difference between dimensional tolerances and thickness tolerances?
Dimensional tolerances apply to the length and width (the flat surface area) of the component, while thickness tolerances apply to the depth or height measurement. Both types of tolerances are important for ensuring proper fit and function in assemblies, but they are measured and controlled independently during the manufacturing process.
Q5
Which size offers the most thickness variety?
The 20×20 mm and 40×40 mm sizes offer the broadest range of standard thickness options, each available in four different thicknesses. This makes them highly versatile choices for applications where multiple thickness configurations may be required.
Q6
Are these tolerances compliant with international manufacturing standards?
The tolerance values listed in this table are designed to align with common precision manufacturing standards used in industrial applications. However, specific compliance with standards such as ISO, DIN, or ASTM depends on the material and production process. Please request official documentation or a material certificate if compliance verification is required for your project.