Professional China Low Hardness Polyurethane System - Donpipe 311 water base blend polyols for pipeline holder – INOV

Donpipe 311 water base blend polyols for pipeline holder

INTRODUCTION

DonPipe 311 is a kind of blend polyether polyol with water as foaming agent, polyol as the main raw material, mixed with special auxiliary agent. It is developed for propping of water, oil or gas pipelines, furniture and other products,also with moisture proof and heat preservation functions . The polyurethane product prepared by reacting it with isocyanate has the following advantages:

-- Environment friendly, without destroying the ozone layer

-- High compressive strength of foam

-- Fine and smooth Foam cell , with good waterproof and moisture-proof performance

PHYSICAL PROPERTY

 

DonPipe 311

Appearance                 Hydroxyl value                 mgKOH/g

Dynamic viscosity (25℃)   mPa.S

Density (20℃)             g/ml

Storage temperature             ℃

Storage stability               months

Light yellow transparent viscous liquid

300-400

800-1000

1.1-1.16

10-25

6

RECOMMENDED RATIO

 

Pbw

DonPipe 311Isocyanate

100

100-120

TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)

 

Manual mix

High pressure

Raw material temperature    ℃

CT      S

GT      S

TFT      S

Free density   Kg/m3

20-25

30-80

100-200

120-240

80-500

20-25

20-70

80-160

100-200

80-500

FOAM PERFORMANCES

old density

Close-cell rate

Thermal conductivity (10℃)

Compression strength)

Dimensional stability        24h -20℃ 

                      24h 100℃

Flammability

GB/T 6343

 GB/T 10799

GB/T 3399

GB/T 8813

GB/T 8811

 

GB/T 8624

≥100 Kg/m3

≥90%

≤22mW/m.k

≥800 KPa

≤0.5%

≤1.0%

B3、B2、B1