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Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - Donspray 502 HCFC-141b base blend polyols – INOV

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  • Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - Donspray 502 HCFC-141b base blend polyols – INOV

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Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - Donspray 502 HCFC-141b base blend polyols – INOV Detail:

Donspray 502 HCFC-141b base blend polyols

INTRODUCTION

DonSpray 502 is spray blend polyols with HCFC-141B as blowing agent, 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 fire resistance

  4) excellent low temperature dimentional stability.

It applies to all kinds of thermal insulation projects which use the spray, such as cold rooms, large pots, large-scale pipelines and construction out-wall or inner-wall etc.

PHYSICAL PROPERTY

Appearance                 

Hydroxyl Value                mgKOH/g

Dynamic Viscosity (25 ℃)       mpa.s

Specific gravity (20 ℃ )           g/ml

Storage Temperature             ℃

Storage Stability               month

Pale yellow to brown viscous liquid

200-300

100-200

1.12-1.20

10-25

6

RECOMMENDED RATIO

 

pbw
DonSpray 502 blend polyols

Isocyanate MDI

100

100-105

Reactivity Characteristics (Component temperature is 20℃, the actual value is varied according to pipe diameter and processing condition.)

Cream Time                  s

Gel Time                     s

3-5

6-10

FOAM PERFORMANCES

items

Test Method

Index
Spray Density               

Closed-cell Rate         

Initial Thermal Conductivity（15℃）      

Compressive Strength

Adhesive Strength  

Elongation at break

Dimentional Stability  24h  -20℃

      24h   70℃

Water Absorption                    

Oxygen Index

GB 6343

GB 10799

GB 3399

GB/T8813

GB/T16777

GB/T9641

GB/T8811

 

GB 8810

GB 8624

≥32kg/m3

≥90%

≤24mW/(m.K)

≥150kPa

≥120kPa

≥10%

≤1%

≤1.5%

≤3%

≥26

The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.

Product detail pictures:

Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - Donspray 502 HCFC-141b base blend polyols – INOV detail pictures

Related Product Guide:
To create far more benefit for customers is our company philosophy; customer growing is our working chase for Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - Donspray 502 HCFC-141b base blend polyols – INOV , The product will supply to all over the world, such as: Sierra Leone, Slovenia, European, There are advanced producing & processing equipment and skilled workers to ensure the products with high quality. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our products are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.

    • This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.
    5 Stars By Betsy from Berlin - 2017.01.28 19:59
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Heather from UAE - 2017.01.28 18:53
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