Bu içerik lebihmurah mağazası tarafından hazırlanmıştır.
set2: 1 x 5m pH Test Paper+ 5 x drill
Made of high quality cemented carbide. Good performance, making clean and accurate holes for you. A set of glass drills that are very easy to work with.
Small incision resistance,feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily.
Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, china, mirrors and glass. Cross tip design reduces breakout and the bit features a carbide tip for extended bit life.
Wide Fit: Can be installed in the general electric hand drill, bench drill, impact drill and so on.
Scale Reads From 1 to 14:
1 - 3 indicates a very acidic substance
4 - 6 indicates an acidic substance
7 indicates neutral
8 - 11 indicates alkalinity
Once passed through tiles or mirrors, this drill bit can easily correspond to any behind masonry.
Titanium coating durable, longer life expectancy
size: Rod diameter: 4.0mm, 4.3mm, 5.3mm, 6.9mm, 7.7mm
Tool diameter: 5mm, 6mm, 8mm, 10mm, 12mm
Total length: 69mm, 72mm, 77mm, 81mm, 85mm
Using Caution: Remember to add water to the materials while cutting or drilling to preserve them from over heating.
12 - 14 indicates a very high level of alkalinity
PH 1-14 color chart in each pack
The test strip color changes must be matched with the pH scale color chart within about 15 seconds
Instruction:
Simply press the testing strip to the object or liquid you are testing.
Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
Keep dry for the rest paper.
colour: Photo Color
Material: Carbide/paper
Paper length: 5m/16ft
Package Contents:
1 x 5m pH Test Paper
5 x drill
Only the above package content, other products are not included.
Note: different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.