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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Product Description:

 

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:Plate formaldehyde content of the national standard ≤ 1.5mg / l is what it means
Formaldehyde emission is less than 0.5mg, in line with the European E0 level standards; Formaldehyde emission is less than 1.5mg, in line with European E1 standard. China's current national standards for wood-based panel is E1 level, there is no E0 level of the so-called E0 level is the Japanese wood-based board substrate standards, which requires formaldehyde emission ≤ 0.5mg / L.
Q:What is the base plate
The base sheet is relative to the finishes. It is from the decorative materials on the practical function of the distinction, in actual use, any plate can be used as a base plate. But under normal circumstances, the construction staff will be based on a variety of plate their own characteristics and prices to choose which plate can be used for grass-roots sheet. In the decorative construction, the grass-roots sheet is like a decorative plate behind the hero, any wall, top, ground structure and shape of the deepening, are required to form a base plate to shape, shape. Therefore, the base plate is the cornerstone of decoration, is relative to the decorative plate in terms of. Generally speaking, the base plate material with low cost, strength, not easy to deformation, strong adhesion, to meet the shape and post-construction needs and other characteristics.
Q:All the furniture are used what plate ah?
Are man-made sheet, furniture factory production of the majority of plate furniture with MDF, woodworking door production of the general use of woodworking board.
Q:What are the PCBs
1) Flame Retardant Copper Foil Epoxy E Glass Fiber Cloth Laminate and Its Adhesive Sheet Material. IPC4101 detailed specification number 21; Tg ≥ 100 ℃; 2) Flame Retardant Copper Foil Modified or Unmodified Epoxy E Fiberglass Laminated Laminate and Bonding Sheet Material. IPC4101 detailed specification number 24; Tg 150 ° C to 200 ° C; 3) Flame Retardant Copper Foil Epoxy / PPO Glass Cloth Laminate and Its Adhesive Sheet Material. IPC4101 detailed specification number 25; Tg 150 ° C to 200 ° C; 4) flame retardant copper clad modified or unmodified epoxy glass cloth laminate and its adhesive sheet material. IPC4101 detailed specification number 26; Tg 170 ℃ ~ 220 ℃; 5) Flame Retardant Copper Foil Epoxy E Glass Cloth Laminate (for Catalytic Addition). IPC4101 detailed specification number 82; Tg N / A;
Q:What are the advantages of Yixing sheet compared to other plates?
Compared with other, Yixu sheet first is a big brand is guaranteed, and is committed to doing high-end health and environmental protection of the plate, and good quality is not too expensive, cost-effective.
Q:What is the difference between the addition of the plate and the Eo grade plate?
1.E0 grade plate refers to the formaldehyde emission is less than or equal to 0.5mg / l of the plate products 2. No aldehyde addition refers to the absence of formaldehyde material added plate products, meaning no formaldehyde 3. To know the world does not absolutely contain formaldehyde products, even if there is no formaldehyde added to the wood comes with formaldehyde, but the content is very low harmless to the human body, like apples, beer, trees and so naturally contain their own formaldehyde
Q:There are several pieces of decoration plate?
There are several kinds of plate, there are solid wood board is the original board, direct tree saw. Then there are wood-based panels, are now using this. There are several kinds of wood-based panels, such as plywood, Daxin board, nine Plywood, five plywood, panel, such as red walnut, black walnut, Jacqueline ............. These are tree processing, a layer of a layer of pressure gluing
Q:The world in the end there is no E0-class plate furniture?
"E0" grade, "E1" grade refers to the formaldehyde emission limit level of environmental standards. "European standard 'E0' class", that is, every 100 grams of plate, formaldehyde emission ≤ 5 mg According to the relevant provisions of the state, furniture, formaldehyde emission to "E2" level can be sold, and by the manufacturing process and other factors, our country basically did not really "E0" class furniture And the world, whether it is composite material or solid wood panels do not exist "zero formaldehyde" sheet metal furniture So that "E0 level" furniture basically does not exist, zero formaldehyde is only legend Can only say that the furniture industry has a small amount of brand of sheet metal furniture, formaldehyde content is far lower than the national standard, is green building materials.
Q:How to choose the wardrobe of the wardrobe?
Many large manufacturers are basically made of particle board! The The On what board is better ... a time is different opinions!
Q:Baosteel Cr2, Cr3 plate what material
CR2 is the standard of ISO 3574, equivalent to GB03 (GB / T 5213, or EN 10130), or standard SPCD (refer to JIS 3574), or American Standard CS Type A, B (refer to ASTM A1008M-07) ; CR3, equivalent to GB04 (GB / T 5213, or EN 10130), or standard SPCE (refer to JIS 3574), or American Standard DS Type A, B (refer to ASTM A1008M-07);

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