GB/T 2085.1-2026Aluminium powder - Part 1: Air atomized aluminium powder (English PDF)

4.1 Designation Method

4.1.1 Aluminum powder grades are represented by "FLPA" followed by 2 to

4.1.3 The last 2 to

4 Arabic numerals of the identification code represent the maximum aperture of the sieve selected for the aluminum powder sieving test.

4.1.4 The letters at the end of the grade designation are difference identifiers. When the maximum aperture of the selected sieves is the same, differences in particle size distribution and... (or) Different powders with different physical properties such as bulk density. Examples are as follows:

5.4 Appearance Quality

5.4.1 Aluminum powder is silver-gray or gray.

5.4.2 The aluminum powder should be free of inclusions and lumps.

7.1 Inspection and Acceptance

7.1.1 The supplier shall inspect the products to ensure that the product quality meets the requirements of this document and the purchase order, and fill out a quality certificate.

7.1.2 The buyer shall inspect the received products in accordance with the provisions of this document. If the inspection results do not conform to the provisions of this document or the purchase order, the buyer shall... Objections should be submitted to the supplier in writing and resolved through negotiation between the supplier and the buyer. Objections concerning appearance quality and particle size distribution should be raised within one year of receipt of the product. Objections should be raised within one month of receipt of the product. Objections concerning other performance aspects should be raised within three months of receipt. Arbitration may be requested from both the supplier and the buyer. The sampling was conducted by an approved organization and carried out jointly by the buyer and seller.

7.2 Batching Aluminum powder should be submitted for acceptance in batches, each batch consisting of the same grade of aluminum powder, with a batch weight not exceeding 5000 kg. If the buyer has specific requirements regarding batch weight, please contact us. Requirements can be negotiated with the supplier and noted in the order form.

7.3 Inspection Items Each batch of products should be inspected for particle size distribution, loose density, chemical composition, moisture content, and appearance quality before being put into storage and shipped out.

7.4 Sampling

7.4.1 Each batch of aluminum powder shall be sampled and divided according to the provisions of GB/T 5314.The sample shall be mixed evenly and divided into portions of not less than 250g using the quartering method. Two equal portions of the sample.

7.4.2 Place two samples into separate dry, sealed containers. One sample is for testing and analysis, and the other is to be stored in the laboratory for 6 months for arbitration. For analysis purposes.

7.5 Judgment of Test Results

7.5.1 If the particle size distribution or loose density test results do not conform to the requirements of this document, double the number of pieces shall be taken from the batch. The items specified in the document shall be re-inspected. If the results of the re-inspection still do not comply with the requirements of this document, the batch of products shall be deemed unqualified. However... With the mutual agreement of both parties, each item may be inspected individually, and only those that pass inspection shall be delivered.

7.5.2 If the chemical composition does not conform to the provisions of this document, the batch of products shall be deemed unqualified.

7.5.3 If the moisture content does not meet the requirements of this document, the batch of products shall be deemed unqualified.

7.5.4 If the appearance quality does not meet the requirements of this document, the batch of products shall be deemed unqualified.

8.2 Packaging

8.2.1 Aluminum powder shall be packaged in metal containers, cartons, paper drums, or woven plastic bags lined with moisture-proof plastic bags. The inner and outer packaging shall be tightly sealed. Dense, intact and undamaged.

8.2.2 The outer packaging plastic woven bags should be waterproof and leak-proof, with an inner plastic film; the outer packaging metal containers should be properly rust-proofed. The inner and outer surfaces of the packaging should be dry, smooth, free of burrs and damage, and conform to the requirements of GB 12463; the outer packaging cartons should have certain... The bending performance should be such that there are no cracks when folding, no damage or breakage during assembly, the layers should be firmly bonded together, and the joints should be sealed with tape.

8.2.3 The inner packaging plastic bag for aluminum powder shall be made of polyethylene, and the film thickness shall not be less than

0.1 mm. The seams and seals of the plastic bag shall be heat-sealed securely. Solid, free from hard damage, holes, and dirt, and its physical and mechanical properties meet the requirements of GB/T 4456.

8.2.4 Other requirements for aluminum powder packaging shall comply with the provisions of GB/T 3199.If the purchaser has other special requirements for aluminum powder packaging, the supplier and the purchaser shall agree on such requirements. The parties shall negotiate and specify this in the order form.

8.3 Transportation and storage

8.3.1 After packaging, aluminum powder should be handled with care during loading, unloading, and transportation. Dropping, bumping, striking, dragging, tipping, and rolling are strictly prohibited. It is close to the source of fire.

8.3.2 Aluminum powder should be transported in covered wagons or containers, and the vehicles should be equipped with anti-static measures.

8.3.3 Aluminum powder should be stored in a well-ventilated and dry warehouse. It must not be stored together with oxidants, acids, or alkalis, and should be kept away from direct sunlight. Direct sunlight.

8.4 Accompanying Documents Each batch of products should be accompanied by a product quality certificate (the quality certificate may not be provided with the products), which should state.

a) Supplier's name, address, and telephone number;

b) Product Name;

d) Batch number;

e) Number of pieces and net weight;

f) All test results and the official stamp of the quality supervision and inspection department of the production unit;

g) This document number;

h) Manufacturing date.

9.Order details The order form for the products in this document should include the following.

a) Product Name;

c) Net weight and gross weight;