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Polyurethane Products

Polyol Blends for Spraying(LC-A6116)

LC-A6116 is one of the polyol blends specifically designed for spray insulation layers. The main foaming agents include HFC-141B and HFC-245FA. It contains all the necessary raw materials and additives for producing rigid polyurethane foam.

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Polyol Blends

Product Categories

Polyurethane

Fluorine Chemical

Product Features

  • High strength, uniform density distribution;
  • Good dimensional stability, strong compressive strength, low thermal conductivity;
  • Strong adhesive properties, good flame resistance

Physicochemical Parameters

Item

LC-A6116

Standard

Appearance

Light yellow transparent liquid

 

Viscosity (25°C) (mPa.s)

300-500

Q/0600YPU025-2012

Relative Density at 20°C

1.05±0.05

GB/T15223-2008

Hydroxyl Value (mg KOH/g)

260±30

GB/T12008.3-2009

Water Content (%)

0.6-1.2

GB/T12008.3-2009

Laboratory Test Reaction Parameters

Test Formulation

  • LC-A6116: 100 units
  • PAPI (Wanhua PM200): 110 units

Reaction Parameters

  • Laboratory temperature: 22°C
  • Raw material temperature: 20°C
  • Stirring speed: 3000 rpm

Stirring Time

2-3 seconds

Milky Time

5±2 seconds

Gel Time

12±3 seconds

Free Rise Foam Density

30±1 kg/m³

Foam Performance

  • (Manual Foaming)

Item

Test Value

Unit

Test Methods

Foam Core Density

42

kg/m3

DIN 53420

Compression Strength∥

0.2

MPa

DIN 53421

Compression Strength ⊥

0.17

MPa

DIN 53421

Thermal Conductivity (35ºC/10 ºC)

21.0

mW/(m·K)

DIN 52612

Closed-Cell Content

92.4

Vol%

ASTM D2856

Dimensional Stability (-30°C, 24h)

0.5

Vol%

ISO 2796

Dimensional Stability (100°C, 24h)

0.6

Vol%

ISO 2796

  • Testing foam preparation conditions: Sample blocks using a spraying method, and conduct testing in the laboratory.

Recommended Foaming and Molding Conditions

    • Foaming equipment: High-pressure machine recommended
    • Substrate preheating temperature: 40-45ºC
    • Raw material temperature: 25-30ºC

Storage

Recommended storage temperature: 15-25 °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.