Spraying polyurethane foam for composite board

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
10000 m.t./month

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Quick Details

Place of Origin:

Shandong China (Mainland)

Brand Name:

DHKCHEM

Panel Material:

Nonmetal

Type:

Polyurethane Sandwich Panels,Synthetic Resin and Plastics, Synthetic Rubbers

Apperance:

brown liquid

Packaging & Delivery

Packaging Detail:20gs/drum or 200kgs/drum
Delivery Detail:within 7days after confirming order

Specifications

1.Perfect flame resistance
2.Low thermal conductivity

Product Description

  Polyurethane Foam Systems for Intermittent Boards/Sandwich  DHK-204

1.Introduction

DHK204 blend polyols is a compound which consists of polyether polyols, surfactants, catalysts, foaming agent and flame retardant in a special ratio. The foam has good thermal insulation property, light in weight, high compression strength and flame retardance and other advantages. It is widely used to produce sandwich plates, corrugated plates etc, which applies to make cold stores, cabinets, portable shelters

 and so on.

 

2.Technology and Reactivity (the exact value varies depending on processing conditions)

 

items

                    Manual mixing  

       High temperature machine

Raw material temperature         °C

Moulding temperature               °C

Cream time       s

Gel time            s

Free density   kg/m3

20-25

35-45

30-50

120-200

23-26

20-25

35-45

20-30

70-150

23-26

 

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Q:The difference between plate and wire
The difference between the plate and the wire is the difference between the size of the material and the difference between the use: Wire is a diameter of 5-22mm hot rolled round steel or equivalent of this section of shaped steel. Due to wire rod in the form of delivery, it is also known as the wire rod. Wire section circumference is very small, the common product specifications diameter of 5-13mm. According to the different rolling mill can be divided into high-speed wire (high line) and ordinary wire (ordinary line) two. Wire is generally made of ordinary carbon steel and high quality carbon steel. In accordance with the distribution of different types of steel and use, wire, including ordinary low-carbon steel hot-rolled disc, high-quality carbon steel wire rod, carbon wire rod, quenched and tempered wire rod, wire rope with wire rod, As well as stainless steel wire rods and so on. The plates are usually made of standard-sized flat rectangular building material panels for wall, ceiling or floor components. Also refers to the forging, rolling or casting made of metal plate. Divided into thin plate, medium plate, thick plate, special thick plate, usually made of standard size flat rectangular building material board. Plate product shape flat, thick and thick ratio, the unit volume of the surface area is also great This shape features to bring its use on the characteristics: (1) large surface area, so inclusive capacity, in the chemical industry, containers, construction, metal products, metal structures, etc. have been widely used; (2) can be arbitrarily tailored, bending, stamping, welding, made of various product components, the use of flexible and convenient, in the automotive, aviation, shipbuilding and tractor manufacturing and other departments occupy an extremely important position; (3) can be bent, welded into various types of complex sections of steel, steel, large I-beam, channel and other structural parts, it is called "universal steel."
Q:What kind of sheet is it better to do a desk!
Now the desk, if not often need to use tools to characterize things, most generally do not use glass platen or table, because it is in the winter "cold feeling " not comfortable "general now desktop, with polyamine It is best to use a glassy material that can be made of "high light" (high brightness) or "matte" (low abrasive, low brightness) , It is recommended to use "steel flat glass" to do the desktop, this "compressive strength " much better.
Q:Villa special plate selection which brand plate?
Landlord, decoration villa ah, it should not be short of money, you can decorate the point, and now are more emphasis on decoration with environmental protection, so the landlord can find some environmental decoration company to choose and reference. My house before the house decoration, do the decoration is relatively high-end, then choose the decoration of the company, they have been known for a herbal home improvement, my home is where the choice of natural Thai ecological floor, which is A more environmentally friendly floor, the performance is very good, the price is not too expensive, the landlord can see!
Q:What is ps plate
PS plate Polystyrene (PS) extruded sheet Features and uses: The product is polystyrene as the main raw material, made by extrusion, free coloring, odorless and tasteless non-toxic, not to bacteria growth, with rigidity, insulation, good printing, etc., mainly for packaging, container equipment, Daily decoration, general electrical and construction and other industries. PS polystyrene decorative board is polystyrene particle molding compound in the extrusion plate on the extrusion molding of organic polymer sheet.
Q:What is the material in the timber? What is the plate?
The specifications of the material is the buyer's request to the wood processing into the required specifications such as 2 cm long 2 cm wide and 1 meter long and other special specifications, the buyer bought a little bit in the processing can be used, the plate is we often see the mountain wood processing Into a piece of one
Q:Wardboard thickness is about how much
Wardboard thickness of the need to reach 18 mm, the thickness of the best plate up to 25 mm, which is like building a house had to bear the same wall, the structure is reasonable to build a solid and stable house.
Q:Board grade divided into
According to state regulations, the environmental protection level of wood is divided into three categories: E0, E1 and E2. Environmental protection level E0 level: E0 level is the current national standards and related to the detection of ecological sheet of the highest environmental standards. Because the 0.5mg / l formaldehyde content is already a very safe numerical standard. According to relevant information, the formaldehyde content of drinking water is 0.9mg / l, that is, E0 grade formaldehyde content is less than drinking water. Environmental level E1 level: in accordance with state regulations, the indoor plate environmental protection level must be achieved E1 level was considered standard, that is safe and environmentally friendly, the human body will not cause harm. In recognition of the quality of the plate at the same time, the most concerned about the furniture used by the formaldehyde emission of sheet metal. E1-level environmental standards are mandatory national health standards, is mandatory "safety standard line." E1 <= 1.5mg / l, that is, 1.5mg / l formaldehyde content is in line with national standards, is environmentally friendly, harmless to the human body. Environmental level E2: E2 <= 5mg / l, E2 level of formaldehyde content has exceeded the national standard, the current production industry in the plate industry is very few E2 grade, E2 grade products must be treated after finishing to be used Interior decoration.
Q:With Altium design PCB, the information required: sheet thickness of 1mm, copper thickness of 0.35um, how to set up Altium?
The thickness of the copper layer is used to set the thickness of each layer of copper, the default is 0.03556mm, which is 1 ounce, core is set the thickness of the substrate, if it is multilayer will have Prepreg, the default substrate thickness is 0.32004mm, these are all you can change to the value you actually need. Of course, you can not use the additional requirements of the document to give the plate specification.
Q:What kind of sheet is affordable?
In fact, Daya particle board is more environmentally friendly! Ecology board is added glue! The following is a website is to see, hope to help you! (I really did not expect to do several pieces of furniture is also so troublesome [first of all, please do the work or custom work with her husband came to argue.He said carpentry more money, you can do as required. I said online please woodwork Not solid, not necessarily save money and the like, and finally agreed to do custom. Custom, but what kind of plate it? Solid wood, MDF, particle board, ecological board? I and her husband are uncertain. Density board "light" smooth, material fine, stable performance ", but the moisture is not good, what grip is very poor. Also that large manufacturers do not have ecological board, very bad. Next door to a neighbor, in the gold cabinet to do the furniture of the overall closet, with a large solid wood particles board, so he strongly recommended this plate, that is not only the level, but also said "solid wood particle plate expansion coefficient small , Moisture-proof performance, than the density board nail force, bending pressure, stability should be strong. " I guess he is looking for information online. Asked him this board really so good? He said that they have done, e0 level, do not worry about formaldehyde hazards, but also that can afford to use a large sub-class plate business has the strength of his private cabinet in the cabinet is not only good quality, not expensive. )
Q:What are the different characteristics of the plate?
Lead plate can play the effect of radiation, the general plate does not have this ability. Understand the plate, you can go to China plate trading network to see, more types of plates.

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