It is the waterproof heat insulation material that is asbestos-free and of high intensity with high quality perlite particles as the main material and made by cohering inorganic bond and reinforced fiber (It is a non-asbestos, high performance and water repellent insulating material that is composed of high-quality expanded perlite particles, bonded with inorganic binder and reinforcing fiber); its highest at temperature is 650℃, with super-low heat conductivity coefficient and super-low chloride ion content, it has very good protection on peripheral steel pipes; being prefabricated to shape up and resistant to deform, it has the same service life of buildings. Its various technical indexes are leading to the level of similar products in domestic; its overall water repellency is nice and it integrates the function in terms of heat reservation, thermal insulation and water resistance, saving great amount of construction and maintenance fund. It is not only able to have heat reservation function on petrochemical industry pipelines and equipment, but also has very nice fire prevention and radiation resistance, and the manufacturer is the only one in domestic that has reached the US ASTMC610 standard.

· Advantages

  • A1

    Asbestos Free

    Made from inorganic ore, the product is entirely asbestos-free and non-poisonous to human body.

  • A2

    Superior Strength

    With similar density, the strength of this material is the highest among all the inorganic rigid insulation materials with better compressive performance and is not easy to bend, Compared with ASC CS170, this product has better physical strength.

  • A3

    Outstanding Waterproofing Performance

    No oil and water absorption reduces the safety hazard caused by medium leakage.

  • A4

    Good Anti-corrosion

    The super low chloride ion content and alkalescence have good protection for metal pipes, which greatly prolongs the service life of pipes and equipment and greatly reduces maintenance cost, bringing lasting protection and better durability.

  • A5

    Wonderful Non-combustibility

    The product passed the EC certificate test by Germanischer Lloyd and has been identified as non-combustible material. It also passed the test by National Center for Quality Supervision and Testing of Fire Building Materials which identifies it as Grade A1 incombustible material.

  • A6

    Excellent Soundproofing Performance

    Great soundproofing effectively reduces industrial noises。

· Applicable Scope

It is applicable to equipments and pipeline facilities in chemical industry, electricity and heat supply network.

· Technical Data

Density Kg/m3 ≤240 ≤200
Maximum Service Temperature 650 650
Thermal Conductivity per
ASTM C335/C177/C518
(38℃) W/m.k ≤0.069 ≤0.067
(93℃) ≤0.076 ≤0.069
(149℃) ≤0.085 ≤0.081
(260℃) ≤0.099 ≤0.085
(371℃) ≤0.115 ≤0.102
Linear Heat Shrinkage per
ASTM C 356
S length % ≤2.0 ≤1.7
S width ≤2.0 ≤1.6
S thickness ≤8.0 ≤5.7
Flexural Strength per ASTM C 203 MPa ≥0.310 ≥0.39
Compressive Strength per ASTM C 165 MPa ≥0.483 ≥0.55
Weight Loss by Tumbling per ASTM C 421 % ≤70 ≤48
Moisture Content per ASTM C 1616 % ≤10 ≤4
Surface Burning
Characteristics per ASTM E841
Flame Spread Index ≤0 ≤0
Smoke Developed Index ≤5 ≤0
Hot Surface Performance per ASTM C 411 (650℃) CM ≤0.635
(No through-cracking)
(No through-cracking)
Non-Combustible Property per ASTM E 136 ●  Pass Pass
Chlorine Content ASTM C795 ASTN C795

Item Slab Curved Pipe
Length(mm) 600 600 600/610/1000
Width(mm) 300/150 150/100 0.5"- 60"(inside diameter)
Thickness(mm) 25-100 25-100 25-100

· Remark

Packed in standard export cartons with plastic bags inside used for waterproofing. Carton Size:580(L)*320(W)*620(H)mm, 40HQ:576BOXES, 20HQ:252BOXES. Pallets can be made according to customers' requirements. Standard sizes showed as above. For further information, including nonstandard sizes, please contact Zhejiang ASKE.

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