Polyurethane Products

Polyester Polyol

Our Polyester Polyol is versatile and reliable for formulating polyurethane products. If you need Polyester Polyol for solar energy, refrigerator, pipe, B2 grade polyurethane insulation board and spraying, check following chart to find corresponding product model.

Polyester Polyol

Quality Index

Model

Hydroxyl Value (OHV)

Viscosity (Cone Plate) MPAS(25℃)

Acid Value

Water Content

Application
LC-5040 400±20 3000-5000 ≤1.5 ≤0.15 solar energy, refrigerator, pipe
LC-5140S 400±20 3000-5000 ≤1.5 ≤0.15 solar energy, refrigerator, pipe
LC-5224C 250±15 6000-9500 ≤2.0 ≤0.15 B2 grade polyurethane insulation board, spraying
LC-5224 240±15 2500-4500 1.0~2.0 ≤0.15 B2 grade polyurethane insulation board, spraying
LC-5310 315±15 2000-3500 ≤2.0 ≤0.15 B2 grade polyurethane insulation board, spraying

Model LC-5040

Chemical Name: Diethylene glycol phthalic anhydride polymer
CAS NO.: 3645-00-9
Type: Aromatic polyester polyol
Composition: Modified polyester polyol based on PTA and diol synthesis
Application: Solar energy, refrigerator, pipe

Items Specification Actual Value Unit Analytical Method
Appearance Yellow Green to Brown Liquid Brown Yellow Transparent Liquid / Visual Inspection
Color ≤11 8 GD GB/T 22295-2008
Water Cotent ≤0.15 0.078 % GB/T 22313-2008
OHV 400±20 397.4 mgKOH/g GB/T 12008.3-2009
Acid Value ≤2.0 0.99 mgKOH/g HG/T 2708-1995
Viscosity 3000-5000 3737 mPa·s GB/T 12008.7-2010

Model LC-5140S

Chemical Name: Diethylene glycol phthalic anhydride polymer
CAS NO.: 3645-00-9
Type: Aromatic polyester polyol
Component: Modified polyester polyol based on PTA and diol synthesis
Application: Solar energy, refrigerator, pipe

Items Specification Actual Value Unit Analytical Method
Appearance Yellow Green to Brown Liquid Brown Yellow Transparent Liquid / Visual Inspection
Color ≤11 5 GD GB/T 22295-2008
Water Cotent ≤0.15 0.065 % GB/T 22313-2008
OHV 400±20 399.2 mgKOH/g GB/T 12008.3-2009
Acid Value ≤2.0 1.14 mgKOH/g HG/T 2708-1995
Viscosity 3000-5000 3863 mPa·s GB/T 12008.7-2010

Model LC-5224C

Chemical Name: Diethylene glycol phthalic anhydride polymer
CAS NO.: 32472-85-8
Type: Aromatic polyester polyol
Component: Polyester polyol synthesized based on phthalic anhydride and diol
Application: B2 grade polyurethane insulation board, spraying

Items

Specification

Actual Value

Unit

Analytical Method

Appearance

Colorless to Yellow Liquid

Yellow Transparent Liquid

/

Visual Inspection

Color

≤3

1

GD

GB/T 22295-2008

Water Cotent

≤0.15

0.046

%

GB/T 22313-2008

OHV

240±15

252.8

mgKOH/g

GB/T 12008.3-2009

Acid Value

1.0-2.0

1.45

mgKOH/g

HG/T 2708-1995

Viscosity

2500-4500

3821.0

mPa·s

GB/T 12008.7-2010

Model LC-5224

Chemical Name: Diethylene glycol phthalic anhydride polymer
CAS NO.: 32472-85-8
Type: Aromatic polyester polyol
Component: Polyester polyol synthesized based on phthalic anhydride and diol
Application: B2 grade polyurethane insulation board, spraying

Items Specification Actual Value Unit Analytical Method
Appearance Colorless to Yellow Liquid Yellow Transparent Liquid / Visual Inspection
Color ≤3 1 GD GB/T 22295-2008
Water Cotent ≤0.15 0.071 % GB/T 22313-2008
OHV 250±15 241.7 mgKOH/g GB/T 12008.3-2009
Acid Value ≤2.0 0.58 mgKOH/g HG/T 2708-1995
Viscosity 6000-9500 7816 mPa·s GB/T 12008.7-2010

Model LC-5310

Chemical Name: Diethylene glycol phthalic anhydride polymer
CAS NO.: 32472-85-8
Type: Aromatic polyester polyol
Component: Polyester polyol synthesized based on phthalic anhydride and diol
Application: B2 grade polyurethane insulation board, spraying

Items Specification Actual Value Unit Analytical Method
Appearance Colorless to Yellow Liquid Yellow Transparent Liquid / Visual Inspection
Color ≤3 1 GD GB/T 22295-2008
Water Cotent ≤0.15 0.083 % GB/T 22313-2008
OHV 315±15 312.4 mgKOH/g GB/T 12008.3-2009
Acid Value ≤2.0 0.64 mgKOH/g HG/T 2708-1995
Viscosity 2000-3500 2998 mPa·s GB/T 12008.7-2010

Storage and Packing

Store in tightly sealed and dry packaging drums, avoiding contact with strong acids and isocyanates. Keep away from direct sunlight and rain.

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About Polyurethane Business Department

The products of the polyurethane segment are handled by two subsidiaries of LECRON SHARE, Shandong Lianrunda Supply Chain Management Co., Ltd. and Shandong Lecron Polymer Co., Ltd. The former is responsible for product exports, raw material imports, and supply chain finance, while the latter is responsible for optimizing the existing polyether/polyester production process, shortening production time, improving equipment utilization, and releasing more production capacity.

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Download Our Relevant Files

We provide detailed product information covering various aspects, including technical specifications, performance indicators, application cases, etc. These materials will help you better understand the characteristics and advantages of our products in order to make wise decisions.

* You can easily leave your contact information, such as name, email, and phone number. We promise to strictly protect your privacy and will promptly contact you to answer your questions or provide further support.