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Good Quality Polyurethane Rigid Foam - Donspray 502 HCFC-141b base blend polyols – INOV

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  • Good Quality Polyurethane Rigid Foam - Donspray 502 HCFC-141b base blend polyols – INOV

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We are experienced manufacturer. Wining the majority of the crucial certifications of its market for Superplasticizer, Pu Bidner For Bonding Stones, Polyurethane Running Track, With the development of society and economy, our company will keep a tenet of "Focus on trust, quality the first", moreover, we expect to create a glorious future with every customer.
Good Quality Polyurethane Rigid 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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Good Quality Polyurethane Rigid Foam - Donspray 502 HCFC-141b base blend polyols – INOV detail pictures

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We support our buyers with ideal high quality products and high level service. Becoming the specialist manufacturer in this sector, we have gained rich practical experience in producing and managing for Good Quality Polyurethane Rigid Foam - Donspray 502 HCFC-141b base blend polyols – INOV , The product will supply to all over the world, such as: Czech, Afghanistan, Honduras, We believe with our consistently excellent service you can get the best performance and cost least goods from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.

    • We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Jamie from Bahamas - 2018.09.21 11:44
    The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Cornelia from Chile - 2017.08.16 13:39
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