China Professional China Low Hardness Polyurethane System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV Manufacturer and Supplier

Professional China Low Hardness Polyurethane System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV

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Our goal is to provide high quality products at competitive prices, and top-notch service to customers around the world. We are ISO9001, CE, and GS certified and strictly adhere to their quality specifications for Automotive Industry, Pu Coating, Special Polyether, You should send us your specifications and requirements, or feel totally free to speak to us with any questions or inquiries that you may have.

Professional China Low Hardness Polyurethane System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV Detail:

Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam

INTRODUCTION

Donfoam825 blend polyether polyol used in the manufacture of high flame retardant PIR block foam with HFC-365mfc/227 as foaming agent, products and isocyanate reaction by the formation of the foam has uniform foam cell , low thermal conductivity, thermal insulation performance is good, flame retardant performance is good, low temperature no shrinking crack etc. Widely used in the process of all kinds of insulation work such as: building external wall, cold storage, tanks, large pipes etc.

PHYSICAL PROPERTY

Appearance	Light yellow to brown transparent liquid
Dynamic viscosity（25℃） mPa.S	300±100
Density （20℃） g/ml	1.20±0.1
Storage temperature ℃	10-25
Storage stability month	6

RECOMMENDED RATIO

Raw materials	pbw
DK-1101 Blend Polyether Polyol	100
Isocyanate	180±20

TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)

Items	Manual mixing	High pressure machine
Raw material temperature ℃	20-25	20-25
Mould temperature ℃	50-60	50-60
Cream time s	25-35	20-30
Gel time s	90.-130	70-100
Tack free time s	150-200	120-160
Free density kg/m³	28-30	27-29

MACHINERY FOAM PERFORMANCES

Overall Mold density	GB 6343	≥45kg/m³
Molding Core Density	GB 6343	≥40kg/m³
Closed-cell Rate	GB 10799	≥90%
Initial Thermal Conductivity（15℃）	GB 3399	≤24mW/(m.K)
Compressive Strength	GB/T8813	≥150kPa
Dimentional Stability 24h -20℃ 24h 70℃	GB/T8811	≤1% ≤1.5%
Water Absorption Rate	GB 8810	≤3%
Flammability	GB 8624	B1/B2/B3
Closed-cell Rate	GB 10799	≥90%
Initial Thermal Conductivity（15℃）	GB 3399	≤24mW/(m.K)

The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.

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No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for Professional China Low Hardness Polyurethane System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: Portland, Iceland, Albania, For many years, we now have adhered to the principle of customer oriented, quality based, excellence pursuing, mutual benefit sharing. We hope, with great sincerity and good will, to have the honor to help with your further market.

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We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.