Size introduction In the construction of stairs, the installation workers often make mistakes due to one problem: the size of the stairs. Because the height of the floor plan and the height of the building structure are different, the height in the building structure does not include the thickness of the decorative layer and needs to be calculated separately. A stair designer often uses the height of the building structure for the height of the floor without the factor of calculating the decorative layer, so in order to avoid such errors, the decorator should first use the ink line to eject the height of the decorative layer, and then measure People need to re-measure the layer height. Stair size measurement method [4] Ink line: The ink line is translated downward 150 in the vertical direction to obtain the ink line, the distance between the ink line and the ink line in the vertical direction; that is, the step template height (150). Bouncing step mode board line: the following methods: 1. Use a level ruler; 2. Divide the ink line or the ink line into two equal parts (that is, the number of steps), and then, by dividing the halved points into vertical lines, the template lines of each step can be obtained. Vertical ink line: Two vertical ink lines are played on the inner wall of the stair size beam; the spacing is 9 steps; that is 300×9=2700(). Also on the other end of the stair beam, two vertical ink lines are also played (in the cross-sectional view, only the ink line can be seen). Before the upper staircase template is placed, the ink line, hammer ball or theodolite should be led to the upper wall surface, so that the stair beam can be controlled up and down on the wide straight line to ensure the same step width. Elastic oblique ink line: Firstly, the elevation of the intersection of the bottom of the step and the stair beam should be obtained. To find the elevation of the stair and the thickness of the ladder, the thickness of the ladder and the ladder beam should be used. Slope = 150/300 = 0.5, the thickness of the ladder is 1 = 80, and 2 can be easily calculated according to the Pythagorean theorem, that is, the flat position on the bottom template of the step, the elevation of the point is (1.48-0.15-0.089) = 1.241, the elevation of the point should be - (0.020 + 0.089) = -0.109. Connection is the ink line. Mark the calculated elevation on the pay-off map for use during construction. According to this, the required elevation of other steps can be obtained. Stretching the ink line: measure a step height (150) from the intersection of the horizontal line with an elevation of -0.02 and the ink line; Connect the point to the intersection of the horizontal line and the ink line with an elevation of 1.48, which is the ink line. The ink line of the above step is also popped up.
Anti-corrosive Pigment including Zinc Phosphate and Aluminum tripolyphosphate,they alll helps the formation of passivation layer on the metal surface to be protected. Material for anti-corrosion paint used in container, ship and steel structures.Also for electronic materials.
Product name Aluminium tripolyphosphate
CAS No 13939-25-8
EC No 237-714-9
Chemical formula AlH2P3O10.2H2O
Appearance White Powder
Storage Keep the product in a tightly closed container ,Isolate form any source of heat or ignition and moisture
Packing unit 25kg Poly Propylene bag & 500kg Poly Propylene bag,
Any size customers want.
Application Material for anti-corrosion paint used in container,
Ship and steel structures .Electronic materials
Goods characteristics White Powder.
Soluble in acid or alkali solution ,insoluble in water or alcohol.
PRODUCT NEAME:Zinc phosphate Zinc Orthophosphate
PRODUCT TYPE:Anti-corrosion Pigment
PRODUCT APPREANCE:White powder
CHEMICAL CALSS: Zn3(PO4)2·2H2O
CAS No．7779-90-0
PRODUCT APPLICATION: Zinc phosphate helps the formation of passivation layer on the metal surface to be protected. Material for anti-corrosion paint used in container, ship and steel structures.Also for electronic materials
Anti-corrosive Pigment Zinc Phosphate Series, Aluminum Tripolyphosphate Series shijiazhuang city xinsheng chemical co.,ltd , http://www.xsphos.com
Stair size