China Hot New Products Casting Polyurethane Series Cpu - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV Manufacturer and Supplier

Hot New Products Casting Polyurethane Series Cpu - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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Hot New Products Casting Polyurethane Series Cpu - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV Detail:

Donfoam 812 HCFC-141B base blend polyols for block foam

INTRODUCTION

Donfoam 812 blend polyether polyols used for produce PUR block foam. The foam has uniform 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

Dynamic viscosity （25℃） mPa.S

Density （20℃） g/ml

Storage temperature ℃

Storage stability month

Light yellow to brown transparent liquid

250±50

1.17±0.1

10-25

RECOMMENDED RATIO

Items

PBW

Blend Polyether Polyol

Isocyanate

100

130

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

Manual Mixing

Raw Material Temperature ℃

Mould Temperature ℃

CT s

GT s

TFT s

Free Density kg/m³

20-25

Ambient Temperature(15-45℃ )

35-60

140-180

240-260

26-28

FOAM PERFORMANCES

Item	Test Standard	Specification
Overall Molding Density Molding Core Density	GB 6343	40-45kg/m³ 38-42kg/m
Closed-cell Rate	GB 10799	≥90%
Initial Thermal Conductivity（15℃）	GB 3399	≤24mW/(m.K)
Compressive Strength	GB/T8813	≥150kPa
Dimensional Stability 24h -20℃ RH90 70℃	GB/T8811	≤1% ≤1.5%
Water Absorption Rate	GB 8810	≤3%
Flammability	ASTM E84	Class A

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We thinks what clients think, the urgency of urgency to act from the interests of a purchaser position of principle, allowing for greater top quality, decrease processing costs, price ranges are much more reasonable, won the new and aged prospects the support and affirmation for Hot New Products Casting Polyurethane Series Cpu - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Australia, Mozambique, Ghana, Our stock have valued 8 million dollar , you can find the competitive parts within short delivery time. Our company is not only your partner in business, but also our company is your assistant in the coming corporation.

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The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.