Introduction:
The thermosetting high antisepsis powder coating is a kind of modified epoxy antisepsis powder coating, which has the properties of good anti-acid, anti-alkli, anti-solvent, heat resistance, wet and cold resistance, It is used for pipeline carrying oil, gas, and water. The products we produced is advanced than that of other suppliers not only in domestic but also in the foreign countries.
Specifications: PE three layer (the inner layer is antisepsis powder), Single antisepsis, Double antisepsis Three antisepsis (the outside one is antisepsis powder with good durability), usually used for pipeline in open air, steel contraction shelf
Properties: Specific gravity:1.3-1.6g/cm3μm≤0.2% 150μm≤3% Curing time: It depends on the different type. Non-moisture content:≥99.4% Magnetism content:≤0.002% Particle size: 2005
Application Flow Chart: workpiece → (medium channel) pre-heating → sandblast → catch dust → heating(medium channel) → electrostatic spray → curing → cooling → inspect → finished products.
Remark: The inside of pipeline shall be used tribo-gun, pump method and hot spraying method. The outside of pipeline usually adopted electrostatic spraying method, and for special workpiece usually adopted pipelining and electrostatic spraying method. Before spraying, the workpiece needs pre-heating.
Request When Application:
Polishing and eliminating rust: the grade is Sa2.5(GB/T8923)
Anchor deepness:40-100μm Heating(medium channel): 180-250℃
Film Thickness: PE three layer:80-150μm Single layer:400±50μm
Double layer: Normal grade≥620μm Strong grade≥800μm Three layer:≥1000μm
Neglect Check: Use 5V/μm Volts D.C.
Package and Storage: Every PE bag contain 20KG, stored in cool and dry place below temp 30℃for 1year, far from fire.
Film Properties: 48h cathodes disbandment:≤6mm 28d cathodes disbandment:≤10mm
Cross-section porosityt (two layer as the base layer): 1-4grade
Interface porosity (two layer as the base layer): 1-4grade
Impact resistance 1.5J(-30℃±3℃)：No pinhole
24 or 48h adhesion: 1-2 grade
Electric intensity (MV/m):≥30
Volume resistance (Ω·m):≥1×1013
Wearing resistance (L/μM): ≥3
Chemical resistance (90d): unchangeable
Single layer flexibility 3° (-30℃±3℃): No crack
Two layer flexibility 3° (-30℃±3℃): No crack
Two layer 10J resistance (normal grade thickness): No pinhole
Two layer 15J resistance (strong grade thickness): No pinhole
Two layer Scratch resistance (30kg): scratch deepness≤350um, no neglect.
Two layer Scratch resistance (50kg): scratch deepness≤500um, no neglect.
Warranty Policy: The surface preparation and application procedures and other factors that affect performance are beyond our control.
Changming assumes no liability for coating failure other than to supply replacement material for the coating shown to be defective.
Do not use this product until the current material safety data sheet has been read and is fully understood. Changming shall not be liable for any injuries, damages or other losses deriving directly or in consequence of purshaser's use of product. Purchaser shall determine the suitability of this product for his own use, and thereby assumes all risks and liabilities in connection therewith.
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