China Wholesale Doncool 104 Hfc-245fa Base Blend Polyols - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV Manufacturer and Supplier

Wholesale Doncool 104 Hfc-245fa Base Blend Polyols - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV

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With state-of-the-art technologies and facilities, strict good quality regulate, reasonable cost, exceptional assistance and close co-operation with prospects, we're devoted to supplying the top benefit for our customers for Isoprenol Alcohol Ethoxylate, Donspray 504 Hfc-245fa Base Blend Polyols, Isoprenol Alcohol Ethoxylate, The continual availability of significant grade merchandise in combination with our excellent pre- and after-sales support ensures strong competitiveness in an increasingly globalized market.

Wholesale Doncool 104 Hfc-245fa Base Blend Polyols - 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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Our target should be to consolidate and improve the high-quality and repair of current goods, in the meantime regularly produce new solutions to meet unique customers' needs for Wholesale Doncool 104 Hfc-245fa Base Blend Polyols - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: Cairo, Jeddah, Kyrgyzstan, With the spirit of "high quality is our company's life; good reputation is our root", we sincerely hope to cooperate with customers from at home and abroad and hope to build a good relationship with you.

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We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.