Best quality Pu Binder For Mould Processing Product - Donspray 504 HFC-245fa base blend polyols – INOV

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Best quality Pu Binder For Mould Processing Product - 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 will make every effort to be outstanding and perfect, and accelerate our steps for standing in the rank of international top-grade and high-tech enterprises for Best quality Pu Binder For Mould Processing Product - Donspray 504 HFC-245fa base blend polyols – INOV , The product will supply to all over the world, such as: Sweden, USA, Kenya, We adhere to client 1st, top quality 1st, continuous improvement, mutual advantage and win-win principles. When cooperation together with the customer, we provide shoppers with the highest high-quality of service. Established good business relations using the Zimbabwe buyer inside the business, we've got established own brand and reputation. At the identical time, wholeheartedly welcome new and old prospects to our company to go to and negotiate small business.
  • After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Annabelle from Paraguay - 2018.05.22 12:13
    This is a very professional wholesaler, we always come to their company for procurement, good quality and cheap.
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