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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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owing to excellent assistance, a variety of top of the range items, aggressive costs and efficient delivery, we take pleasure in a very good standing amongst our shoppers. We've been an energetic corporation with wide market for Block Foam& Pouring, Sugar Base, Castable Polyurethane Prepolymer, With outstanding company and top quality, and an enterprise of overseas trade featuring validity and competitiveness, which will be trustworthy and welcomed by its clientele and makes joy to its employees.
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.

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

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In order to best meet client's needs, all of our operations are strictly performed in line with our motto "High Quality, Competitive Price, Fast Service" 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: Costa rica, Bangalore, Panama, Our products are very popular in the word, like South American, Africa, Asia and so on. Companies to "create first-class products" as the goal, and strive to deliver customers with high quality solutions, present high-quality after-sales service and technical support, and customer mutual benefit, create a better career and future!

    • The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Novia from Guyana - 2017.03.28 12:22
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Nina from venezuela - 2017.08.18 18:38
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