High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV

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High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV Detail:

Donspray 504 HFC-245fa base blend polyols

INTRODUCTION

DonSpray504 is spray blend polyols, blowing agent is 245fa instead of HCFC-141B, it reacts with isocyanate to produce foam which has excellent performances, which are as follows,

  1) fine and uniformity cells

  2) low thermal conductivity

  3) perfect flame resistance

  4) good low-temperature dimensional stability.

It applies to all kinds of thermal insulation engineering which uses the spray technology, such as cold rooms, pots, large-scale pipelines and construction metope etc.

PHYSICAL PROPERTY

Appearance               

Pale yellow to brown viscous liquid

Hydroxyl Value                mgKOH/g

200-300

Dynamic viscosity(25℃)   mPa.S

100-200

Specific gravity (20 ℃ )          g/ml

1.12-1.20

Storage temperature           ℃

10-25

Storage stability             month

6

RECOMMENDED RATIO

Raw materials

pbw

DonSpray 504 blend polyols

100 g

Isocyanate MDI

100-105g

Reactivity Characteristics (The temperature of the system is 20℃,and the exact value varied depending on processing condition)

Cream Time                  s

3-5

Gel Time                    s

6-10

FOAM PERFORMANCES

Items

Metric Unit

Imperial Unit

Spray Density   GB 6343 ≥35kg/m3 ASTM D 1622 ≥2.18 lb/ft3
Closed-cell Rate GB 10799 ≥90% ASTM D 1940 ≥90%
Initial Thermal Conductivity(15℃) GB 3399 ≤24mW/(m.K) ASTM C 518 ≥2.16/inch
Compressive Strength GB/T8813 ≥150kPa ASTM D 1621 ≥21.76PSI
Adhesive Strength GB/T16777 ≥120kPa ASTM D 1623 ≥17.40PSI
Dimentional Stability 24h  -20℃ GB/T8811 ≤1% ASTM D 2126 ≤1%
24h  70℃   ≤1.5%   ≤1.5%
Water Absorption GB 8810 ≤3% ASTM E 96 ≤3%
Fire Resistance GB 8624 Class B2 ASTM D2863-13 Class B2

PACKAGE

220kg/drum or 1000kg/IBC, 20,000kg/flexi tank or ISO Tank.


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High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV detail pictures


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Our company insists all along the quality policy of "product good quality is base of enterprise survival; buyer fulfillment will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff" and also the consistent purpose of "reputation very first, shopper first" for High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV , The product will supply to all over the world, such as: South Africa, Honduras, Qatar, Since always, we adhering to the "open and fair, share to get, the pursuit of excellence, and creation of value"values, adhere to the"integrity and efficient, trade-oriented, best way , best valve" business philosophy. Together with our all over the world have branches and partners to develop new business areas, maximum common values. We sincerely welcome and together we share in global resources, opening up new career together with the chapter.
  • This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Laurel from Brunei - 2018.07.26 16:51
    The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
    5 Stars By Klemen Hrovat from Netherlands - 2017.09.30 16:36
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