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Polyurethane Products

Polyol Blends for Pipe (LC-A3450)

LC-A3450 is a binary foaming system combination polyol blends specifically designed for the insulation layer of pipes using rigid polyurethane foam. Its main foaming system is water, with an ozone depletion potential of 0, making it environmentally friendly and non-toxic.

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Polyol Blends

Product Categories

Polyurethane

Fluorine Chemical

Product Features

  • Good flowability and uniform density distribution
  • Excellent dimensional stability and high compressive strength
  • Strong adhesive properties

Physicochemical Parameters

Item

LC-A3450

Standard

Appearance

Light yellow transparent liquid

 

Viscosity (25°C) (mPa.s)

300-900

Q/0600YPU025-2012

Relative Density at 20°C

1.05±0.05

GB/T15223-2008

Hydroxyl Value (mg KOH/g)

350±30

GB/T12008.3-2009

Water Content (%)

0.5-4.5

GB/T12008.3-2009

Laboratory Test Reaction Parameters

Test Formulation

  • LC-A3450: 100 units
  • PAPI (Wanhua PM200): 130-150 units

Reaction Parameters

  • Laboratory temperature: 22°C
  • Raw material temperature: 20°C
  • Stirring speed: 5000 rpm

Stirring Time

8 seconds

Milky Time

15-35 seconds

Gel Time

90-180 seconds

Free Rise Foam Density

33±3 kg/m³

Foam Performance

  • (Manual Foaming)

Item

Test Value

Unit

Test Methods

Foam Core Density

60

kg/m3

DIN 53420

Compression Strength∥

0.330

MPa

DIN 53421

Compression Strength ⊥

0.270

MPa

DIN 53421

Thermal Conductivity (35ºC/10 ºC)

30

mW/(m·K)

DIN 52612

Closed-Cell Content

92.5

Vol%

ASTM D2856

Dimensional Stability (-30°C, 24h)

0.3

Vol%

ISO 2796

Dimensional Stability (100°C, 24h)

0.3

Vol%

ISO 2796

  • Note: The foam is prepared through manual mixing in a horizontal mold (mold size: 300*300*100mm), with a mold temperature of 40°C, manual stirring speed: 3000 rpm. If the foam preparation process conditions are different, the test data may vary from these values.

Storage

Recommended storage temperature: 20-25 °C

Shelf life (in sealed container): 6 months

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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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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.