China High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV Manufacturer and Supplier

High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV

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The corporate keeps towards the operation concept "scientific administration, superior quality and performance primacy, client supreme for Sorbital Base, Donfoam 601 Water Base Blend Polyols, Casting Pu Shoe Mould Resin, Welcome to visit our firm and factory. Be sure to come to feel free to get in touch with us in case you need any additional assistance.

High definition Donspray 502 Hcfc-141b 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 take pleasure in an extremely fantastic standing among the our prospects for our great product top quality, competitive cost and the finest support for High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donspray 504 HFC-245fa base blend polyols – INOV , The product will supply to all over the world, such as: Uruguay, Slovakia, Guatemala, Our items have national accreditation requirements for qualified, high quality products, affordable value, was welcomed by people today all over the world. Our goods will continue to enhance within the order and look forward to cooperation with you, Should any of these products be of interest to you, please letus know. We are going to be content to offer you a quotation up on receipt of your detailed needs.

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We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.

By Lulu from Bulgaria - 2017.12.31 14:53

Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!

By Liz from Netherlands - 2017.03.07 13:42

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