Rigid PU Foam System for Spray Insulation (DQT-501A)

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Product Description:

Rigid Polyurethane Blend Polyols forSpray Insulation  (DQT-501A )  
Product Introduction

DQT-501Ais spray blend polyols, it reacts with isocyanate to produce foam which hasexcellent performances, which are as follows,

 1) fine and uniformity cells

 2) low thermal conductivity

 3) perfect fire resistance

 4) excellent low temperature dimentionalstability.

Itapplies to all kinds of thermal insulation projects which use the spray, suchas cold rooms,large pots, large-scale pipelines and construction out-wall orinner-wall etc.

Physical Properties

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

DQT-501A  blend polyols

Isocyanate

100

100-105

Reactivity Characteristics

Component temperature is 20℃, theactual value is varied according to pipe diameter and processingcondition.  

Cream  Time                  s

Gel  Time                     s

3-5

6-10

Foam Performances

items

Test Method

Index

Spray  Density                

Closed-cell Rate          

Initial  Thermal Conductivity15      

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

 ≥35kg/m3

≥90%

    ≤24mW/(m.K)

≥150kPa

≥120kPa

≥10%

≤1%

≤1.5%

≤3%

≥26

The data provided above are typical value, which are tested byour company. For our company's products, the data included in the law do nothave any constraints.


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