closed cell pipe insulation

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Product Description:

Quick Details

  • CAS No.:9009-54-5

  • Place of Origin: China (Mainland)

  • Type:Other

  • Model Number:DQT-502

Packaging & Delivery

Packaging Details:Packing with steel drum,220kg/drum, four drums per pallent(if needed) 80 drums into one 20ft container
Delivery Detail:within 10 days after receive of prepayment or L/C

Specifications

closed cell pipe insulation
good flowability
high temperature-resistance
excellent low temperature dimensional stabilit


Products Introduction

Pu foam  for pipe insulation   DQT-502 is a type of blend polyols, which is specially researched for rigid PUF to produce thermal insulation pipes. It is widely used in steam pipes, liquefied nature gas running pipes, oil pipes and other fields. The characteristics are as follows:

(1)good flowability, by regulating formula to suit different pipe diameters.

(2)high temperature-resistance performance,long standing in 150°C

(3)excellent low temperature dimensional stability

Physical Property

Appearance                

Hydroxyl value            mgKOH/g

Dynamic viscosity(25°C)   mPa.s

Density  (20°C)           g/ml

Storage temperature            °C

Storage stability             Month

Light yellow to brown yellow transparent liquid 300-450

200-500

1.10-1.16

10-25

6

Technology and Reactivity Characteristics

Component temperature is 20°C, the actual value is varied according to pipe diameter and processing condition.  

Manual mixing

High pressure machine

Ratio(POL/ISO)

Rise time           s

Gel time            s

Tack free time      s

Free density       kg/m3

1:1.0-1.1.60

20-40

80-200

≥150

25-40

1:1.0-1.60

15-35

80-160

≥150

24-38

Foam Performance

Molded foam density

Closed-cell rate

Thermal conductivity(15°C)

Compressive strength

Water absorption

Dimensional stability (24h,100°C)

(24h,-30°C)

High temperature-resistance

GB 6343

GB 10799

GB 3399

GB/T8813

GB 8810

GB/T8811

40-80kg/m3

≥90%

≤33mW/(m.K)

200kPa

≤3(V/V)%

≤1.5%

≤1.0%

≤140°C

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