China Manufacturer for Pu Binder For Bonding Scrap Foam - Donspray 502 HCFC-141b base blend polyols – INOV Manufacturer and Supplier

Manufacturer for Pu Binder For Bonding Scrap Foam - Donspray 502 HCFC-141b base blend polyols – INOV

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We have advanced equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for Polyurethane Resin, Fast Crystallization Rate, Tpu Shoe-Sole And Shoe Attachments Granules, At our firm with good quality initially as our motto, we manufacture merchandise that are entirely made in Japan, from materials procurement to processing. This enables them for being used with confident peace of mind.

Manufacturer for Pu Binder For Bonding Scrap Foam - 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

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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As for competitive charges, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such excellent at such charges we have been the lowest around for Manufacturer for Pu Binder For Bonding Scrap Foam - Donspray 502 HCFC-141b base blend polyols – INOV , The product will supply to all over the world, such as: Palestine, India, Paraguay, Qualified R&D engineer might be there for your consultation service and we will try our best to meet your requirements. So you should feel free to contact us for inquiries. You'll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we are going to surely present you with the best quotation and after-sale service. We're ready to build stable and friendly relations with our merchants. To achieve mutual success, we'll make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we're here to welcome your inquiries for any of our merchandise and service.

Castable Polyurethane Prepolymer