China High reputation Castable Polyurethane Shoe Mould Prepolymer - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV Manufacturer and Supplier

High reputation Castable Polyurethane Shoe Mould Prepolymer - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV

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We have state-of-the-art equipment. Our products are exported for the USA, the UK and so on, enjoying a fantastic status among the clients for Block Foam, Pipeline Shell, Water Reducer, Teamwork is encouraged at all levels with regular campaigns. Our research group experiments on various developments during the industry for improvement within the solutions.

High reputation Castable Polyurethane Shoe Mould Prepolymer - 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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With our leading technology also as our spirit of innovation,mutual cooperation, benefits and development, we are going to build a prosperous future jointly with your esteemed company for High reputation Castable Polyurethane Shoe Mould Prepolymer - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: Dubai, Israel, Lesotho, Our company is continuing to serve customers with high quality, competitive price and timely delivery. We sincerely welcome friends from all over the world to cooperate with us and enlarge our business. If you are interested in our products, please feel free to contact us. We would love to provide you with further information.

Castable Polyurethane Prepolymer