China Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - Donspray 502 HCFC-141b base blend polyols – INOV Manufacturer and Supplier

Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - Donspray 502 HCFC-141b base blend polyols – INOV

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Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - 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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Good quality comes to start with; service is foremost; organization is cooperation" is our enterprise philosophy which is regularly observed and pursued by our firm for Factory Supply Donboiler 212 Hcfc-141b Base Blend Polyols - Donspray 502 HCFC-141b base blend polyols – INOV , The product will supply to all over the world, such as: Romania, Las Vegas, moldova, We are your reliable partner in international markets with the best quality products. Our advantages are innovation, flexibility and reliability which have been built during the last twenty years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sales and after-sales service ensures strong competitiveness in an increasingly globalized market.

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The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!