China 100% Original Castable Polyurethane Shoe Upper Prepolymer - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV Manufacturer and Supplier

100% Original Castable Polyurethane Shoe Upper Prepolymer - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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High quality Very first,and Consumer Supreme is our guideline to offer the most beneficial service to our consumers.At present, we're attempting our greatest to be among the top exporters in our area to fulfill buyers far more need to have for Low Hardness Polyurethane System, Polyethylene Glycol, Automotive Industry, For further inquires please do not hesitate to contact us. Thank you - Your support continuously inspires us.

100% Original Castable Polyurethane Shoe Upper Prepolymer - 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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Our corporation has been specializing in brand strategy. Customers' gratification is our greatest advertising. We also source OEM company for 100% Original Castable Polyurethane Shoe Upper Prepolymer - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Melbourne, South Korea, Ukraine, Since the establishment of our company, we've realized the importance of providing good quality goods and the best before-sales and after-sales services. Most problems between global suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question points they do not understand. We break down these barriers to ensure you get what you want to the level you expect, when you want it.

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By Yannick Vergoz from UK - 2018.05.13 17:00

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By Odelia from Luxembourg - 2018.06.12 16:22

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