石墨烯导电专用漆 Graphene conductive paint的价格
1.石墨烯导电专用漆 Graphene conductive paintPrice calculation method correctly
DreamZinc 96 Gns:导电漆就是能用于喷涂的一种油漆干燥形成漆膜后能起到导电的作用,从而屏蔽电磁波干扰的功能. Conductive paint is a type of paint that can be used for spraying. After drying and forming a paint film, it can act as a conductive material, thereby shielding against electromagnetic interference
In the purchase ofDreamZinc 96 Gns the need to consider the following 6 aspects, is the correct calculation of the true price of paint.
1、 Volume solid portion of 石墨烯导电专用漆 Graphene conductive paint
石墨烯导电专用漆 Graphene conductive paint Volume volume of paint （volume solids），石墨烯导电专用漆 Graphene conductive paintNon-volatile components and liquid $ The volume ratio of石墨烯导电专用漆 Graphene conductive paint。This is a very important concept, the liquid $ After volatilization of the agent in 石墨烯导电专用漆 Graphene conductive paint，the really left in the surface of the coating into the paint film is $ Non-volatile fraction in 石墨烯导电专用漆 Graphene conductive paint namely,the solid fraction.
Dry film thickness (um) = wet film thickness (um) volume solid part
Example: PaintDreamZinc 96 GnsProduct,the thickness of wet film is 100um and the thickness of dry film is 80um, calculating the volume solid points: volume solid content = dry film thickness / wet film thickness / 100=80%
The coating product Volume solids of DreamZinc 96 Gns are divided into 80%.
2, Dry film thickness and wet film thickness
The thickness of the dry film is usually specified in the coating contract. The determination of the wet film thickness can help to determine the thickness of the dry film, and the construction of the thick coating layer can reach the specified dry film thickness. The determination of the wet film is conducive to timely find the difference in the thickness of each construction coating, in order to correct.
Known as the specified thickness of the dry film, consult the volume and solid content of the relevant products, calculate the corresponding wet film thickness, can be calculated according to the following formula.
Wet film thickness (um) = dry film thickness (um) / volume solid part
example:DreamZinc 96 GnsVolume solid content is 80%, the dry film thickness reaches 100 microns, the calculation to DreamZinc 96 GnsConstruction wet film thickness is how much to meet the requirements. Wet film thickness = dry film thickness / volume solid fraction =100 / 80%=125um.
3. Diluted wet film thickness
In the actual construction,the DreamZinc 96 GnsDiluents are often added to the paint. The use of diluents increases the total volume, but does not increase the bulk solid content.for example,DreamZinc 96 Gns Add 25% diluent to dilute the coating, only it is necessary to add 25% to the formula, calculate the thickness of the diluted coating wet film, according to the following formula:
Wet film thickness = [Dry film thickness (1 +% diluent)] /% solid volume/strong>
example:DreamZinc 96 Gns50% of 50% paint, 20% dilution, to construct 100um thickness dry film. In order to ensure the specified dry film thickness, what should be the wet film thickness for the construction of the paint?
4. Theoretical coating rate
For the owner and the contractor is the key factor to calculate the cost and coating dosage, the theoretical coating rate refers to the coating construction on a smooth surface without loss, every 1L of the area can be coated M2, the unit is M2 / L. By this definition, we can obtain the following formula for calculating the coating rate of liquid paint at any given dry film thickness (expressed in square 2 / liter):
(Theoretical) coating rate (m2 / l) = volume solid part 10 / dry film thickness (um)
For example, the solid content of inorganic zinc rich primer is 63%, the dry film thickness is 75um, and the theoretical coating rate is calculated:
5. Actual coating rate
The actual coating rate is the percentage of loss minus the theoretical coating rate. The calculation formula is as follows:
Actual coating rate = theoretical coating rate (1-loss%)
If the theoretical coating rate has been calculated and the loss percentage of the coating can be estimated, such as the loss of 40%, then the theoretical coating rate of the previous inorganic zinc rich primer is 75 microns:
Actual coating rate=Theoretical coating rate（1-40%）=8.4（1-40%）=5.04m2/L
In fact, the loss percentage is uncertain, because the actual construction is affected by a variety of factors, the construction methods, the technology of the work, the shape of the coating, the roughness of the surface, the working environment and the distribution degree of the film paint.
6. the actual amount of paint
The actual amount of coating is obtained on the basis of the actual coating rate and can be calculated according to the following formula:
Actual amount of coating = (area dry film thickness) / 10 volume solid content 100 (1-loss%)
In the above formula, (1-loss%) is the loss coefficient.
Example: there is 2000M2 inside a storage tank, 2 courses of phenolic epoxy coating with a solid content of 76%, each 150 microns, the estimated loss of 40%, calculate how much L of phenolic epoxy coating should be used.
Then 2 coatings to total 6582=1316L
7.paint price calculation
A: Unit price per square meter
In the coating project quotation, paint manufacturers often use different paint products, or even if the same paint and different volume content of the products to quote, and the price of the quotation is different. Is it possible to say that the low price is the low cost? As it turns out, even if the unit price of products with high volume content is high, the unit price per square meter is often lower than those with low volume content.
Unit price per square meter = (dry film thickness unit price / L) / 10 volume solid content
Example: a piece of structure, require construction dry film thickness of 120 micron epoxy primer, traditional epoxy primer solid content is 50%, if the unit price is 32 yuan / L, high solid content modified epoxy primer solid content is 80%, if the unit price is 49 yuan / L, it can be seen that the use of high solid content of modified epoxy primer, lower unit price per square meter.
B: The price conversion of liter and kg
Foreign coating companies in the coating formula design and technical data calculation and packaging specifications, all use the concept of L, domestic companies often with KG to carry out technical data calculation and packaging, the introduction of the concept of quality can be convenient calculation, the density of related data products can be obtained from the manufacturer's data manual.
Price per liter / density = price per kg
Example: an epoxy deiron intermediate paint has a density of 1.8 KG/L and the price of 48.8 yuan / L, then the price of the epoxy deiron intermediate paint per kilogram is 48.8÷1.8=27.11 yuan / KG
Since the density of coatings is usually higher than 1.0 KG/L, unless the dilution of the solvent is sometimes lower than 1.0 KG/L, the price per L looks larger than the unit price per KG.
2. Welcome to order theDreamZinc 96 Gns
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Graphene conductive paint is a kind of paint that can be used for spraying. After drying to form a paint film, it can conduct electricity, thereby shielding electromagnetic wave interference.
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