Automotive Sunroof Protection Film,Car Sunroof Protection Film, Sunroof Protection Film, Explosion Proof Sunroof Protection Film Jiangsu Yaosheng New Materials Co.,Ltd , https://www.yscarfilm.com
Analysis Instrument/Webster Durometer/ Lab Equipment/ Webster Hardness Tester
**Product Specifications**
Model No.: W-20
Calibrating Method: Length Scales
Rated Voltage: Machine
Support Language: English
Customized: Customized
Measuring Scope: 0-20 HW Accuracy: 0.5 HW
Trademark: Joinstars
Transport Package: Portable Case
Specification: SGS
Origin: China
HS Code: 90241020
**Detailed Product Description**
The W-20 Series Webster Hardness Tester is a portable and user-friendly device designed for on-site hardness testing of soft materials, especially aluminum alloys. This instrument allows for quick and accurate measurements using a simple clamp, following the American Standard ASTM B647. It is ideal for checking the results of heat treatment and determining whether the mechanical properties of the workpiece meet the required standards.
This tester offers fast, straightforward, and portable operation with minimal indentation, making it perfect for testing aluminum profiles, tubes, sheets, and other complex shapes. It’s also suitable for large or heavy workpieces that are inconvenient to transport to a lab.
The Webster Hardness value can be converted into common hardness scales such as Vickers, Rockwell, and Brinell. The W-20 model is equivalent to the US Model B Tester, providing reliable performance in various industrial applications.
**Key Features:**
- Quick and easy one-step testing
- Portable design for field use
- Accurate readings within 0–20 HW with ±0.5 HW precision
- Compatible with multiple material types including aluminum, brass, copper, and more
- Ideal for quality control, production inspection, and acceptance testing
**Main Technical Parameters:**
- Measuring Range: 0–20 HW
- Accuracy: ±0.5 HW
- Weight: 0.5 kg
**Standard Package Includes:**
- 1 Tester
- 1 Standard Hardness Block
- 1 Spare Indenter
- 1 Calibration Wrench
- 1 Small Screwdriver
- 1 Carrying Case
**Optional Accessories:**
- Indenter
- Standard Hardness Block
- Spare Dial Head
- Calibration Wrench
- Dial Glass
**Application Areas:**
- Checking heat-treated parts
- Verifying alloy composition
- Testing long or heavy components
- Quality monitoring in production lines
**Technical Table:**
| No. | Type | Application | Testing Range | Specimen Size (mm) |
|-----|----------|-------------------------------------------|------------------------|----------------------------|
| 1 | W-20 | Aluminum Alloy | 25–110 HRE / 58–131 HV | Thickness 0.4–6, ID >10 |
| 2 | W-20a | | | Thickness 0.4–13, ID >10 |
| 3 | W-20b | | | Thickness 0.4–8, ID >6 |
| 4 | W-B75 | Brass (hard/half-hard), Super-hard Alloys | 63–105 HRF | Thickness 0.4–6, ID >10 |
| 5 | W-B75b | | | Thickness 0.4–8, ID >6 |
| 6 | W-BB75 | Soft Brass, Pure Copper | 18–100 HRE | Thickness 0.4–6, ID >10 |
| 7 | W-BB75b | | | Thickness 0.4–8, ID >6 |
| 8 | W-B92 | Cold-Rolled Steel, Stainless Steel | 50–92 HRB | Thickness 0.4–6, ID >10 |
**Images:**
[Image 1](http://i.bosscdn.com/uploads/35/b7/eb/ee4a622f0684c7cc2043c76288.jpg)
[Image 2](http://i.bosscdn.com/uploads/f0/7c/7f/c26150f57e22968461316c83b4.jpg)
[Image 3](http://i.bosscdn.com/uploads/77/c3/54/e89ac379d27076f2727e8f7ad3.jpg)
[Image 4](http://i.bosscdn.com/uploads/df/ba/67/08cde329802d188b19f8d69f8c.jpg)
This product is an essential tool for engineers, technicians, and quality assurance professionals working in metal processing, manufacturing, and materials testing industries.The sunroof protection film is a remarkable product for your car. Made with advanced materials, it offers excellent heat insulation, keeping your vehicle cooler on hot days. Keywords: sunroof protection film, heat insulation. It also provides strong protection against UV rays, safeguarding both you and your car's interior. With its durability and high transparency, it doesn't affect your view through the sunroof. Choose sunroof protection film for a comfortable and protected driving experience.