Drying Time Tester Model 415
Order number: 00930131- 2870.00 €
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Drying Tester
Drying Time Tester Model 415
The Model 415 dryness tester is used to determine the degree of dryness of coatings according to ISO 9117 (the modified Bandow-Wolff method). It consists of a light metal cylinder which is attached to a stand. The compression spring built into the cylinder can generate a stamping load of up to 250 N. A lever mechanism is used to apply this force perpendicularly to the coating. The distance between the stamp and the stand's plate can be adjusted by adjusting the lever to match the sample thickness. For a standard load under 2 kg (20 N), the load weights (of 20 g and 200 g) with a diameter of 24 mm are included with this product. To achieve a uniform distribution of the contact pressure a cylindrical soft rubber disk with a diameter of 22 mm, a thickness of (5 ± 0.5) mm and a hardness of (50 ± 5) IRHD in accordance with DIN ISO 48, is used.
Performing the analyses
The test sequences vary in accordance with the dryness degree as follows:
- Dryness degree 1
- The coating is covered with ballotini which are subsequently removed using a fine brush.
- Dryness degrees 2 and 3
- First a paper disk is placed onto the coating, then a soft rubber disk. Loads of 20 g and 200 g are applied by adding one of the individual weights provided (load duration 60 s).
- Dryness degrees 4 to 7
- The test panel is placed on the stand base with the coating upward and successively covered with a paper disk and a soft rubber disk. The required load (2 kg or 20 kg) corresponding to a plunger force of 20 N or 200 N, is produced using lever pressure and maintained for approx. 60 s.
Evaluation of Test
After removing the load, the coating is evaluated in accordance with the following table.
Dryness degree | Criteria in accordance with ISO 9117 |
1 | Ballotini scattered over the surface can be easily and completely removed with a fine hair brush. |
2 | The paper does not adhere subsequent to loading with 20 g. |
3 | The paper does not adhere subsequent to loading with 200 g. |
4 | The paper does not adhere subsequent to loading with 2 kg, there are however visible signs of change on the coated surface. |
5 | The paper does not adhere subsequent to loading with 2 kg, and there are no visible signs of change on the coated surface. |
6 | The paper does not adhere subsequent to loading with 20 kg, there are however visible signs of change on the coated surface. |
7 | The paper does not adhere subsequent to loading with 20 kg, and there are no visible signs of change on the coated surface. |
- Drying Time Tester, Model 415
- Stand
- Individual weight for load of 20 g
- Individual weight for load of 200 g
- 2 soft rubber disks of 22 mm ∅
- 100 paper disks of 26 mm ∅
- Ballotini dispenser
- 50 g glass beads ("ballotini"), ∅ 125 - 250 μm, in compliance with ISO 9117
Technical Descriptions
Norms
- ISO 9117
Technical specifications
Drive
Manuel
Testing Force
bis 250 N
Dimensions
Width: approx. 150 mm // Depth: approx. 300 mm // Height: approx. 440 mm
Net weight
approx. 4.5 kg
Equipment
Order number: 220091441
- 32.00 €
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Price excl. VAT. We sell to professional buyers
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Order number: 600923141
- 39.00 €
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Order number: 600911441
- 28.00 €
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Order number: 860917041
- 92.00 €
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Price excl. VAT. We sell to professional buyers
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