Rebar powder Coating

Introduction

Accurate selection of powder has always been a problem for the powder industry. To solve this problem, we name the powder according to the industry’s requirements for powder coatings. We select materials for different industries and make corresponding adjustments to the process to better match the industry’s requirements. We provide customers with high-quality and low-cost products that are easy to use.

Product name	Rebar powder
Applicable industries	Steel strand, rebar
Powder specific gravity	1.2-1.5ɡ/cm³
Product features	High hardness, good adhesion. Chemical resistance, good corrosion resistance.
Physical properties	Bending	ASTM D522	Passed-curvature diameter is 5mm.
		GB/T1731	Passed-curvature diameter is 2mm.
	Dry adhesion	ASTM D3359	Passed-result is 5B.
		ISO 2409	Passed-result is 0 grade.
		GB/T9286	Passed-result is 0 grade.
	Cupping	ISO 1520	Passed 5mm-No cracking or shedding of coating.
		GB/T9753	Passed 5mm-No cracking or shedding of coating.
	Impact resistance (positive impact)	ASTM D2794	≥50kg.cm
		GB/T9753	50kg.cm
	Pencil hardness (scratch hardness)	ASTM D3363	≥2H
		GB/T6739	≥2H
Storage stability	12 months (less than 30℃ environment). Re-test after expiration. If it meets the requirements, it can be used at will.
Curing process	200℃/12min, 180℃/15min (workpiece surface temperature).
Pretreatment	All metal substrates need to be degreased and degreased, iron metals are treated with zinc or iron phosphating and aluminum chromium to improve corrosion resistance.
Coating	Manual or automatic spraying equipment can be used. To ensure the consistency of the coating, automatic spraying equipment is recommended. Unsprayed powder can be recycled through an appropriate recycling system. Atomizing air pressure ∽0.5 bar, primary air ∽0.5 bar, spraying voltage 40-90kv.
Damage repair	Surface treatment: Grinding + air cleaning. Application: Recoating mode,reduce spraying voltage.
Safety Warning	When spraying, do not eat, drink or smoke, and avoid inhalation of dust. Wear a suitable breathing mask. For more information, please ask the salesperson for the material safety data sheet of the specific product for reference.
Disclaimer	Important note: The information provided in this table cannot be comprehensive and is based on current laws and current knowledge. Anyone who intends to use the product in areas other than those recommended in this table without first obtaining written confirmation from us of the product’s suitability will bear the consequences. It is the user’s unshirkable responsibility to take necessary measures to meet local legal and regulatory requirements. Please continue to read the material safety data sheet and technical parameter sheet of our products when you have time. We try our best to ensure that all the instructions for our products (in or outside the table) are correct, but we cannot fully control the quality or condition of the substrate and the many factors that may affect the use of the product. Therefore, unless we specifically confirm in writing, we do not assume any responsibility for loss of product performance and any other loss or damage caused by the use of the product. All products and technical recommendations we provide are subject to our standard terms and conditions of sale. Please obtain a copy of this document and read it carefully. The content of this table will be supplemented and improved as we accumulate experience and update policies. Before using the product, the user should verify whether the data in this table is the latest.

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