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Polyurethane Wholesale/Supplier Cold Storage Cold Chain Thermal Insulation Polymeric Mdi Raw Material for PU Foam
Polyurethane Wholesale/Supplier Cold Storage Cold Chain Thermal Insulation Polymeric Mdi Raw Material for PU Foam
Polyurethane Wholesale/Supplier Cold Storage Cold Chain Thermal Insulation Polymeric Mdi Raw Material for PU Foam
Polyurethane Wholesale/Supplier Cold Storage Cold Chain Thermal Insulation Polymeric Mdi Raw Material for PU Foam
Polyurethane Wholesale/Supplier Cold Storage Cold Chain Thermal Insulation Polymeric Mdi Raw Material for PU Foam
Polyurethane Wholesale/Supplier Cold Storage Cold Chain Thermal Insulation Polymeric Mdi Raw Material for PU Foam

Polyurethane Wholesale/Supplier Cold Storage Cold Chain Thermal Insulation Polymeric Mdi Raw Material for PU Foam

Min.Order: 1
Product origin: Yantai, Shandong, China
Infringement complaint: complaintComplaint
US$ 1950 ~ 2000

Description
POLYMERIC MDI M20S

Application
M20S is a diisocyanate-diphenylmethane(MDI)-based composition containing some higher functionality isocyanates. The functionality is about 2.6-2.7. It is abrown liquid at ambient temperatures.
M20S can be widely used in the production of rigid PU foam heat-insulating materials; also used in isocyanurate foam, paints, adhesives, structural foam,cellular integral skin foam, automotive bumper and interior parts, high-resilience foam and synthetic wood, etc. Due to its unique composition structure, M20S can provide better flowability. It is, therefore, particularly suitable for the production which require strict flowability of systems.

 Typical physical properties:
Test Item(s)Specification(s)
AppearanceBrown Liquid
Viscosity at 25ºC, mPa.S150-250
NCO, %30.5-32.0
Density 25ºC, g/cm31.220-1.250
Acidity (HCl), %≤0.05
Hydrolysable Chlorine, %≤0.2

Storage Recommendation: Since M20S is a reactive chemical, reaction with atmospheric moisture happens easily and leads to the formation of insoluble ureas and carbon dioxide gas, which can result in pressure build-up in closed containers and viscosity increase of the product.Containers must therefore be absolutely dry and carefully sealed after congested with nitrogen.
Containers of M20S should be kept properly closed and stored indoors at ambient temperature (15-35ºC) in a well-ventilated area. Storage at low temperature (below5ºC) may lead to some crystallization; this material must, therefore, be protected from frost.If crystallization does occur, the material should be heated by rolling the drum in a hot air oven at 70-80ºC to melt it out, and should then be thoroughly agitated before use. Melting in a water bath is not recommended.
Extended storage at temperatures above 50ºC is not recommended to prevent from the formation of insoluble solids and viscosity increase.



Shunda Company founded in year 1996, is a leading manufacturer of rigid PU foam blend polyol System material, our annual sales reached 50,000 MT in the past three years. We have four
Manufacturer plants in Yantai, Linyi, Dalian and Chang chun with totally more than 400 employees by now. For over 20 years development, Yantai Shunda Polyurethane Co., Ltd has grown up into a modern joint-stock enterprise, which has the research, development, production and operation for the series of rigid polyurethane foam production. We are also the largest global distributor of MDI series of Wanhua Chemical. Depending on our own strong R&D capability, professional purchasing team, quality control ability and full MDI series product supply, we could supply all series of PU raw material to the internal and abroad customers and undertake the
engineering of the insulation project.

Yantai Sanjiang Chemical Industry Materials Co., Ltd is established in 2010 by Shunda Group as its
International sale company, its mainly engaged in Blend polyol, Polyetherpolyol, flameretardants, PU catalysts, Polymeric MDI and other raw materials which are widely used for the insulation of wall and roof building, coldstorage, ship, sandwichpanel, refrigerators, freezers, pipelines, garage door and etc.





Other unmentioned matters and TDS&MSDS.Please visit our official website shundapu.en.made-in-china.com
Or please contact us for information:
 
 
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