Fast delivery Three Component Mdi Polyurethane System Mdi - Donspray 504 HFC-245fa base blend polyols – INOV

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Fast delivery Three Component Mdi Polyurethane System Mdi - 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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Our focus on should be to consolidate and enhance the quality and repair of present products, in the meantime constantly establish new products to meet unique customers' requires for Fast delivery Three Component Mdi Polyurethane System Mdi - Donspray 504 HFC-245fa base blend polyols – INOV , The product will supply to all over the world, such as: Sri Lanka, Brunei, Kenya, Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world.
  • The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
    5 Stars By Agustin from Czech Republic - 2017.11.20 15:58
    It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Jane from Stuttgart - 2018.05.22 12:13
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