2 Inch Insulation Board
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What kind of materials do you need to buy carpentry wardrobe?
- I suggest you use the ecological board, if you want to paint can be in the ecological board to pay a layer of 0.3cm outside the density board, wardrobe backplane with 0.3cm ecological board on the line, and you have to prepare the edge (in the buy When the ecological board and the ecological board color of the same edge of the edge), the pipe hinge, do drawer with the track, drawer lock, the door suggested that you use sliding doors, because the wooden doors do manually because the span is too large, easy Deformation, the other is to use the nails, and you can let the woodworking master to give you a single material, one-time purchase Qi.s
Do pcb circuit board which several kinds of plate
- Divided into two categories: rigid substrate materials and flexible substrate materials. Ordinary rigid substrate material is an important varieties of CCL.
Copper brass board classification of a variety of ways. Generally, the reinforcing material of the plate is divided into five categories: paper base, glass fiber cloth base, composite base (CEM series), laminated multilayer plate base and extraordinary material base (ceramic, metal core base). If the board is adopted by the resin adhesive different classification, the common paper-based CCI. There are various types such as phenolic resin (XPc, XxxPC, FR-1, FR-2, etc.), epoxy resin (FE-3), polyester resin and the like. Common glass fiber cloth CCL has epoxy resin (FR-4, FR-5), which is the most widely used glass fiber cloth type. In addition, there are other extraordinary resin (glass fiber cloth, polyamide fiber, non-woven fabrics to increase the material): bismaleimide modified triazine resin (BT), polyimide resin (PI) , Diphenylene ether resin (PPO), maleic anhydride imide-styrene resin (MS), polycyclic ester resin, polyolefin resin, and the like.
According to CCL flame retardant performance classification, can be divided into flame retardant (UL94 a VO, UL94 a V1 level) and non-flame retardant (UL94 a HB class) two types of boards. Nearly two years, with the environmental issues more attention, in the flame retardant CCL and separate a new non-brominated species of CCL species, can be called "green flame retardant cCL". With the rapid development of electronic products technology, the cCL has a higher performance requirements. Therefore, the performance classification from the CCL is divided into general performance CCL, low dielectric constant CCL, high heat resistance CCL (general plate L above 150 ℃), low thermal expansion coefficient CCL (generally used for packaging substrate ) And other types.s
What is the board for the overall board?
- Cabinet with the overall plate is the compression plate.s
Imitation marble pvc plate 1.5 thick
- 1, the process: the substrate is a mixture of calcium powder and PVC after a squeeze molding. Surface by thermal transfer process vacuum embossed imitation marble pattern, do uv fluorocarbon varnish. Imitation marble glass magnesium board, the substrate is glass magnesium board, alumina calcium oxide mixed material. Surface stickers are coated with marble.
2, specifications: uv imitation marble sheet general specifications is a single sheet 1200 * 2400mm, thickness of 3.8-4mm. Weight is generally between 21.5-23 kg.
Imitation marble glass magnesium board leaflets specifications are generally 1200 * 2400mm, thickness of 5mm, the weight is generally about 30 kg.
3, features: a natural marble effect, clear lines, simulation results as high as 99.5% or more. Color uniformity, smooth surface, wear, hardness up to 5H-7H, easy to clean, resistant to pollution, B1 fire, no radiation, light weight, weight is one-fifth of natural marble, the price is.
4, use: instead of natural marble, widely used in a variety of architectural interior decoration. Hotels, office buildings, shopping malls, supermarkets, KTV, bars, cinemas, hot springs clubs, offices. Home improvement is mainly used for film and television background wall, sofa background wall, all kinds of Pass.s
Just bought a melamine plate wardrobe furniture, may be harmful to the human body? Will there be formaldehyde, benzene and other harmful gases volatilize it?
- As long as the wood furniture are formaldehyde.
Indoor pollution six categories: formaldehyde, benzene, toluene, xylene, ammonia, TVOC
Families with children must be treated! Liver and kidney function is still developing, toxins into the can not be completely discharged .....
90% of children with leukemia is caused by decoration pollution!s
Meet the ROHS standard PCB board which?
- Halogen, refers to the halogen elements of the periodic table of chemical elements, including fluorine (F), chlorine (Cl), bromine (Br), iodine (I). PCB board substrate chlorine and bromine are not more than 900PPM, bromine + chlorine does not exceed 1500PPM, is halogen-free sheets
What thin sheet can be directly posted tiles
- With calcium calcium board or fiber cement board can be, but it is best to fix the board fixed in the brick surface coated with a layer of waterproof plastic, dry and then paste. There is a board with glass glue or stone stickers, but a damp, the effect is not good.s
How to degrease the wood
- High temperature drying method
High temperature drying is considered to be a more effective degreasing method. Cech  has done a degreasing test of Korean pine wood, using a high-temperature drying method to reduce the average rosin by 274% and turpentine by 40 1%. If high temperature drying The rosin can reduce the rosin by 30% and the turpentine can be reduced by 65%. This method is mainly to remove the turpentine of the resinous acid that dissolves the solid because the boiling point of the turpentine is about 1 50 to 2 3 0 ° C, If the coexistence with water can be reduced to below 100 ℃. . Turpentine volatile at high temperatures, and under high temperature steaming conditions to reduce the boiling point of turpentine, while high temperature steam to improve the permeability of wood, can be effective To evaporate the turpentine component, the remaining solid rosin after treatment will not exudate. High temperature plus steam combined dry is the most effective practical method, it does not need to add any equipment only the original drying kiln, so less investment , But many people use it, but some people think that after the role of high temperature and humidity, dry wood after the pine wood surface dark gray, dim, lost the original natural wood color, processed into products after the tan.s
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How to lock sd card
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what is the difference between quartz and granite
- What is the difference between quartz and granite？The quartz stone is made of quartz and resin.The hardness reaches 7 degrees, while the granite is composed of marble powder and ...
What are the characteristics of corner protectors for walls?
- Introduction of corner protectors for walls：As the name suggests,corner protectors for walls is used to protect the corner. Corner protection is often neglected by people,when yo...
Do you know which kind of thickness plasterboard will be better
- Do you know which kind of thickness plasterboard will be better? Thickness: ( mm) 6.4 to 16 is the best choice for many buyers.There are three kinds of gypsum board, regular gypsum...