Polyethylene closed foam board
The chemical crosslinked polyethylene foam of foam board with strong recovery rate and other characteristics has its unique advantages. It has strong recovery rate, no water absorption, impact resistance, weather resistance, chemical resistance and aging resistance, which are not found in other materials. PE foam has been applied more and more widely.
sical Characteristics
Density low density, high recovery rate, with an independent bubble structure.
The absorbent surface has low water absorption and good permeability resistance.
Chemical properties
Acid alkalinity resistance to acid, alkali, salt, oil and other organic solvent corrosion, exnt aging resistance.
Stability no flow at high temperature, no brittle crack at low temperature.
Scope of application
Joint plate of expansion joint of earth highway; Bridge joint sealing plate; Expansion joint plate of dam, dam protection, force elimination, slope protection and barrier wall of hydraulic engineering; Hydropower, thermal power, engineering, water tower bottom sealing joint plate; Construction of settlement joints, frame structure of the joint plate; Domestic water plant and sewage treatment plant pool water sealing plate; Joint plates for airport runways; Port, wharf, concrete joint plate; Water tunnel, tunnel concrete water joint plate; Concrete sealing joint plate for subway and underpass.
specifications
The original plate size is (1600--1950) × (800--950) ×50mm,
special
According to the needs of users can be arbitrarily processed to produce 5-50mm different thickness of the plate, strip, slice cutting error in the range of ±0.2 to ±1.
sical mechanics
performance
Apparent density 0.05 -- 0.14g/cm3; Tensile strength ≥0.15Mpa Compressive strength ≥0.15Mpa tear strength ≥4.0N/mm Heating deformation ≤2.0% water absorption ≥0.005g/ cm 3 Elongation ≥100% hardness (C-type durometer) 40--60 shore A. Degree compression permanent deformation ≤3.0% closed foam board using high pressure polyethylene low foam closed foam board, and sealant interaction material performance has no change.
Application of laying
Laid on the inner side of the concrete pouring block template, the joint part of the connection should be tight but not overlapping, should be cut in the manufacturer according to the structure of the joint section, on the site for splicing, the manufacturer processed tenon type fixed, in order to ensure that the joint part of the connection is tig
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