China Best quality Pu Binder For Mould Processing Product - Donspray 502 HCFC-141b base blend polyols – INOV Manufacturer and Supplier

Best quality Pu Binder For Mould Processing Product - Donspray 502 HCFC-141b base blend polyols – INOV

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Best quality Pu Binder For Mould Processing Product - 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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With reliable excellent approach, great name and ideal consumer services, the series of products and solutions produced by our company are exported to many countries and regions for Best quality Pu Binder For Mould Processing Product - Donspray 502 HCFC-141b base blend polyols – INOV , The product will supply to all over the world, such as: Sao Paulo, Maldives, Romania, Our factory insists on the principle of "Quality First, Sustainable Development", and takes "Honest Business, Mutual Benefits" as our developable goal. All members sincerely thanks for all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.Thanks.

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