E18018R-Epoxy Powder Coating

1,Powder Coating of excellent chemical resistance 2,Excellent electric insulation 3,Strong corrosion resistance

Main composition

Mainly made of epoxy resin,polyester resin and curing agent, leveling agent, pigment, filler and other addictives. it has super chemical resistance and mechanical properties. It can be used in painting those metal products that have special requirement of corrosion resistance, electric insulativity and pliability.

 

Product processing

Material blending melting hot extrusion sheeting cooling chipping grinding sieving -- packing

In order to maintain the relative stability of product, material blending time shall follow the standard to avoid the chemical interreaction.

 

Application

Pipeline industry: anti-corrosion pipeline, Oil pipeline, sewage pipe, vessel water pipe, gas pipe and valves etc. Metal furniture: Steel furniture, documents cabinets etc. Kitchen utensils: gas cylinder, gas cooker, kitchen ventilator etc. Construction industry: door lock, rebar and steel moulding plate Electrical industry: Electronic spare parts, winding coil, and insulation coating of the rotator etc. Instrument industry: casing of apparatus and meters

Products series

Available in standard curing and lower temperature curing Available in multi-colors, different gloss level such as high gloss ( above 90°), flat gloss( 70-80°), semi gloss ( 10-60°), matt( below 10°), particular color and gloss is made according to customers requirements. Available in various kinds of art textures, such as sandy, wrinkle, lanose grain, hammer tone, metallic effect etc.

Physical property

Specific gravity: 1.2~1.8g/cm3 (varied with different color and gloss)

Particle size: average 10~38um, proportion 10~84um > 90%, it can be adjusted if special requirement is put forward to us in advance.

 

 

Curing temperature

Standard type: 190oC/20 minutes

Or 180oC/15minutes, 200oC/10 minutes if customer require

 

Pre-treatment

The overall quality of the coating system is largely dependent on the type and quality of the pre-treatment. The recommended types of pre-treatment for the most frequently used substrates are:

 

Aluminium	Chromate conversion
Steel	Zinc phosphate
Zinc coated steel	Zinc phosphate or chromate conversion

 

 

Coating method

Electrostatic spray gunTribo gunElectrostatic fluidized bedFluidized bed

Physical Prameters

Item	Standard	Result
Flexibility	GB/T6742	3mm passed
Adhesion	GB/T986-1998	0-1 grade
Cupping Test	GB/T9753	6mm passed
Hardness	GB/T6739	1H
Resistance	GB/T1732-1993	50CM*kg

Chemical Prameters

Item	Standard and Time	Result
Salt Spray	GB/T1771 (250h)	Passed-Corrosion within 2mm
Moisture Resistance	GB/T1740 (1000h)	Passed- No blistering and loss of optical phenomena
Distilled Water Soaking	BS3900F7 (240h)	Passed- No blistering and loss of optical phenomena

Coating Test Parameters

Test Item	Test method	Result
Appearance	Visual	Smooth
Coating Thickness	Thickness meter um	60-80
Curing Conditions	Incubator	190°C×20min
Luster	60o specular reflectivity	≤15
Impact Strength	50kg.cm Hammer	≥50
Bending Test	180o tortuous	2mm
Adhesion	1mm×1mm×100	100%
Surface Hardness	Pencil Hardness	≥2H
Salt Spray	400 h	≤2mm
Moisture Resistance	400 h	Good
Acid Resistance	5%HCL,240 h	Good
Salt Resistance	5%NaOH,240 h	Good

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