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Chinese High-quality Rigid Spray Polyurethane Foam for Roof

Categories Polyurethane Rigid Foam
Place of Origin: Shandong, China
Brand Name: Exceedchem
Certification: ISO9001, SGS
Model Number: EX-500
MOQ: 1000kg
Price: USD1.00/kg-USD6.00/kg
Packaging Details: 20kg/drum;200kg/drum
Delivery Time: within two weeks after confirming the order
Payment Terms: T/T, L/C at sight
Supply Ability: 100mt per month
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    • Product Details
    • Company Profile

    Chinese High-quality Rigid Spray Polyurethane Foam for Roof


    High-quality Rigid Spray Polyurethane Foam Systems for Roof

    1. Introduction

    This is spray blend polyols. It reacts with isocyanate to produce foam which has excellent performances, which are as follows.

    ● Fine and uniformity cells.

    ● Low thermal conductivity.

    ● Perfect flame resistance

    ● Good low temperature dimensional stability.

    It applies to all kinds of thermal insulation engineering which use the spray technology, such as cold rooms, pots, large-scale pipelines and construction metope etc.

    2. Physical property

    No.

    Item

    Specification

    1

    Appearance

    Light yellow to brown yellow transparent liquid

    2

    Hydroxyl value, mgKOH/g

    310-380

    3

    Dynamic viscosity (25℃) mpa.s

    100-200

    4

    Specific gravity (20℃) g/ml

    1.12-1.20

    5

    Storage temperature, ℃

    10-25

    6

    Storage stability, month

    6


    3. Recommended ratio

    Item

    pbw

    Blend polyols

    100

    Isocyanate

    100-105

    4. Products reactivity

    The temperature of component is 20℃, the actual value is varied according to pipe diameter and processing condition.

    No.

    Item

    Specification

    1

    Cream time, s

    3-5

    2

    Gel time, s

    6-10


    5. Foam performance

    No.

    Item

    Standard

    Specification

    1

    Spray density

    GB 6343

    ≥35kg/m3

    2

    Closed-cell rate

    GB 10799

    ≥90%

    3

    Initial Thermal conductivity (15℃)

    GB 3399

    ≤24m W/ (m.K)

    4

    Compressive strength

    GB/T8813

    ≥150kPa

    5

    Elongation at break

    GB/T9641

    ≥10%

    6

    Adhesive strength

    GB/T16777

    ≥120kPa

    7

    Dimensional stability (24h,-20℃);

    (24h, 70℃)

    GB/T8811

    ≤1.0%;

    ≤1.5%

    8

    Water absorption

    GB 8810

    ≤3%

    9

    Oxygen index

    GB 8624

    ≥26


    The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.


    Quality Chinese High-quality Rigid Spray Polyurethane Foam for Roof for sale
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