Manufacturer for Pu Binder For Bonding Scrap Foam - Donspray 502 HCFC-141b base blend polyols – INOV

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Manufacturer for Pu Binder For Bonding Scrap Foam - 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.


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Manufacturer for Pu Binder For Bonding Scrap Foam - Donspray 502 HCFC-141b base blend polyols – INOV detail pictures


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We're convinced that with joint endeavours, the business between us will bring us mutual benefits. We are able to guarantee you products high quality and competitive value for Manufacturer for Pu Binder For Bonding Scrap Foam - Donspray 502 HCFC-141b base blend polyols – INOV , The product will supply to all over the world, such as: Greece, Ghana, Brunei, All the imported machines effectively control and guarantee the machining precision for the items. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality items and have the ability to develop new merchandise to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.
  • In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Irene from Poland - 2018.09.23 17:37
    Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Polly from Bangalore - 2017.04.08 14:55
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