High reputation Castable Polyurethane Shoe Mould Prepolymer - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV
High reputation Castable Polyurethane Shoe Mould Prepolymer - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV Detail:
Donpipe 322 HCFC-141b base blend polyols for pipeline shell
INTRODUCTION
DonPipe 322 is a kind of blend polyols with hcfc-141b as foaming agent, taking polyol as the main raw material, mixing with a special auxiliary. This material suitable for outer thermal insulation shells which are used for water, oil and gas pipelines .The polyurethane product prepared by reacting it with isocyanate has the following advantages:
– good compressive strength and dimensional stability
– high close-cell rate and good waterproof performance
– good insulation performance
PHYSICAL PROPERTY
DonPipe 322 |
|
Appearance
Hydroxyl value mgKOH/g Dynamic viscosity (25℃) mPa.S Density (20℃) g/ml Storage temperature ℃ Storage stability months |
Light yellow transparent viscous liquid 200-400 200-400 1.1-1.16 10-25 6 |
RECOMMENDED RATIO
Pbw |
|
DonPipe 322
Isocyanate |
100 120-160 |
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 7-15 30-50 40-60 25-30 |
20-25 6-12 20-40 30-50 25-30 |
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 |
≥50Kg/m3 ≥90% ≤22mW/m.k ≥150 KPa ≤0.5% ≤1.0% B3、B2、B1 |
Product detail pictures:
Related Product Guide:
We not only will try our greatest to supply outstanding services to every shopper, but also are ready to receive any suggestion offered by our buyers for High reputation Castable Polyurethane Shoe Mould Prepolymer - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV , The product will supply to all over the world, such as: Comoros, America, Pakistan, To get more information about us as well as see all our products, please visit our website. To get more information please feel free to let us know. Thank you very much and wish your business always be great!
By Erin from Chicago - 2017.09.09 10:18
The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
By Mamie from Adelaide - 2018.10.01 14:14