China High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV Manufacturer and Supplier

High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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We usually continually offer you the most conscientious consumer services, along with the widest variety of designs and styles with finest materials. These initiatives include the availability of customized designs with speed and dispatch for Rigid Polyol, Toe-Puff, Pu Insole System Material, We have a big inventory to fulfill our customer's requires and needs.

High definition Donspray 502 Hcfc-141b Base Blend Polyols - 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 have advanced equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Sri Lanka, Armenia, Malaysia, With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we are trying our best to be your good partner.

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