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:Are there any plates of E0 grade?
There are ah, there are E0 eco-board, blockboard also E0 level!
Q:What is the difference between wood and wood?
Wood can be called wood logs is the original length to the size, shape, quality standards or special provisions cut into a certain length of the wood section, the wood section called logs. Wood is processed semi-finished products. The use of wood: to be divided into direct use and chemical or special processing to do the use of raw materials. Wood direct use are: construction, pit wood, pillars, sleepers, packaging, furniture, craft sculpture, ships, sports equipment, cultural and educational supplies, musical instruments, decoration, grenade handle, butt, After chemical processing or special processing to do the use of raw materials are: paper, rayon, regenerated cellulose, nitrocellulose, cellulose acetate, ethyl cellulose, hydroxy cellulose, phenyl cellulose.
Q:What is nothing in the wood terminology?
The term "wood" refers to the branches that exist inside the trunk of the tree and its surface. Understand this point we can see that the so-called no-material, that is, no knots of wood. In fact, all the trees can not not long branches (palm and coconut trees and the like exception), but the branches are large, small, more, less, significant, hidden distinction Bale, so the real sense of no material is no of. In reality, any small or relatively subtle child (such as the hidden section, a few millimeters) can be ignored as no material. In general, the large trees from the ground to see the first branch of the trunk at that time, known as no material; also saw into a sheet or square material, the material is very small or no material, Said no material.
Q:What is the staircase plate?
Q:What is the FR4 plate in the market and Tenghui VT-42B plate quite
Refers to the surface is FR4 light green, the middle of the black plate
Q:How is the holy wardrobe?
To tell the truth, like the wardrobe really good, peer-price is higher, especially environmental protection this one. Now pay attention to is to be environmentally friendly, I bought several friends are like elephant wardrobe, as if they have a professional anti-counterfeit signs.
Q:Qianshan Wood Malacca plate how much money a piece
Store in the 220-300, each plate has a security label above
Q:Will PCB board, Kingboard, international, raw and kind of brand, the most commonly used which series which model?
A material is FR-4 plate in the building materials and international materials, the two kinds of materials, high durability, high temperature, toughness than other sheet metal.
Q:Stainless steel industry in the non-standard plate, non-standard What does this mean?
Mainly refers to the content of nickel is not up to the plate. So the quality is poor
Q:What is the concept of negative ion sheet?
Plate by nano-catalyst technology, can be released to the human body beneficial negative ions Negative oxygen ion radicals can kill a variety of respiratory infections, to prevent infection The sheet has the following functions: Dust: the dust in the air to gather, the strong collection of suspended particles, to prevent inhalation of the body, cut off the bacteria vector. Deodorization: remove all kinds of life smell, smell, improve the living environment. Smoke: the rapid elimination of oil in the air smoke, dust, put an end to secondhand smoke. Toxic: Remove all kinds of toxic chemical volatile gases in the air, eliminate "invisible killer". Health care: improve work efficiency, eliminate fatigue, improve heart and lung function, enhance the body immunity. Beauty: the epithelial cells with a negative charge, so that the bacteria lost the ability to attack the cells to keep the skin smooth. In addition to static electricity: life is generally positive static, will bring risks to the human body and mind health, negative ions and effective in this static. Add the living space of negative ions and reactive oxygen species: brain refreshing, eliminate fatigue, focus, improve work efficiency, prevent air conditioning disease, improve human living environment, so that human return to nature.

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