China Wholesale Price Donspray 501 Water Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV Manufacturer and Supplier

Wholesale Price Donspray 501 Water Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV

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We have been commitment to supply the competitive price ,excellent products and solutions high-quality, at the same time as fast delivery for Surfactants, Flake Pce/Pce Powder, Water Reducer, We have more than 20 years experience in this industry, and our sales are well trained. We can give you the most professional suggestions to meet your products' requirements. Any troubles, come to us!

Wholesale Price Donspray 501 Water Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV Detail:

Donspray 504 HFC-245fa base blend polyols

INTRODUCTION

DonSpray504 is spray blend polyols, blowing agent is 245fa instead of HCFC-141B, 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 flame resistance

4) good low-temperature dimensional stability.

It applies to all kinds of thermal insulation engineering which uses the spray technology, such as cold rooms, pots, large-scale pipelines and construction metope etc.

PHYSICAL PROPERTY

Appearance	Pale yellow to brown viscous liquid
Hydroxyl Value mgKOH/g	200-300
Dynamic viscosity（25℃） mPa.S	100-200
Specific gravity (20 ℃ ) g/ml	1.12-1.20
Storage temperature ℃	10-25
Storage stability month	6

RECOMMENDED RATIO

Raw materials	pbw
DonSpray 504 blend polyols	100 g
Isocyanate MDI	100-105g

Reactivity Characteristics (The temperature of the system is 20℃,and the exact value varied depending on processing condition)

Cream Time s	3-5
Gel Time s	6-10

FOAM PERFORMANCES

Items	Metric Unit		Imperial Unit
Spray Density	GB 6343	≥35kg/m³	ASTM D 1622	≥2.18 lb/ft3
Closed-cell Rate	GB 10799	≥90%	ASTM D 1940	≥90%
Initial Thermal Conductivity（15℃）	GB 3399	≤24mW/(m.K)	ASTM C 518	≥2.16/inch
Compressive Strength	GB/T8813	≥150kPa	ASTM D 1621	≥21.76PSI
Adhesive Strength	GB/T16777	≥120kPa	ASTM D 1623	≥17.40PSI
Dimentional Stability 24h -20℃	GB/T8811	≤1%	ASTM D 2126	≤1%
24h 70℃		≤1.5%		≤1.5%
Water Absorption	GB 8810	≤3%	ASTM E 96	≤3%
Fire Resistance	GB 8624	Class B2	ASTM D2863-13	Class B2

PACKAGE

220kg/drum or 1000kg/IBC, 20,000kg/flexi tank or ISO Tank.

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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Wholesale Price Donspray 501 Water Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV , The product will supply to all over the world, such as: Atlanta, Egypt, Vietnam, All the imported machines effectively control and guarantee the machining precision for the products. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality products and have the ability to develop new products to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.

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This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.

By Carol from Maldives - 2017.08.16 13:39

The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.

By Elizabeth from British - 2018.10.31 10:02

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