Plywood QC Inspection Checklist : Part 34 Quality Inspection Standard for Cabinet Series HPL Fire-proof Board

Plywood QC Inspection Checklist : Part 34 Quality Inspection Standard for Cabinet Series HPL Fire-proof Board

1. The purpose of this standard is to stipulate the quality inspection standard of cabinet HPL  series fire-proof board countertops. 2. Scope of application of this standard. This standard is applicable to quality inspection of cabinet series fire-proof board before storage.

2 This standard is applicable to the quality inspection of cabinet series fire-proof board before storage.

3 Reference Standards of this Standard

Reference criteria: GB/T

7911-1999 “High Pressure Decorative Plumber (HPL) of Thermosetting Resin Impregnated Paper”

GB/T4879-92

Particleboard

GB/T3324-1995 “General Technical Conditions for Wood Furniture”

GB/T18884-2002

Furniture Kitchen Equipment

4

Inspection requirements

Note: The base material of cabinet series fireproof board is particleboard and veneer decorative board is fireproof board. The utility model belongs to decorative laminate decorative particleboard in decorative particleboard, also known as fire prevention countertop. The bottom and rear facades of cabinets are covered with dipping paper. The facades with circular arcs leaking out and the facades of cabinets are covered by an integral fireproof board. The remaining sections need to be processed in good size or made into PVC seals.

Serial number

Inspection items

Quality Inspection Requirements

(Technical requirements)

Inspection methods

1

Appearance quality inspection

General defects: 1. No obvious wet and dry flowers, no less than 1% of the surface area of the plate; 2. No stains on the surface of the plate; 3. No indentation; 4. No dense, less than 20 feet in length and less than 0.2 mm in width. 5. Deep damage to decorative layer should not be allowed; Serious defects should not be allowed: serious defects such as bubbling, fragmentation and stratification that obviously affect appearance and use should not be allowed; Note: Under the condition of external inspection, defects that can be clearly observed at 1.5m visual distance are obvious, otherwise they are not obvious.

Visual inspection: Visual inspection of the appearance quality of high-pressure decorative panels under the standard lighting and visual distance. Wipe off all erasable dirt with soft fabric. Inspect the appearance quality at the visual distance of 0.5m-1.5m and the visual angle of 30-90 degrees. It is required that the natural light of the inspection site does not affect the visual acuity of the inspectors. Inspectors should have normal vision. Note: No dense means that no defects in the area of each square metre may be concentrated in any area of 10*10.

2

Size deviation

Length Size Deviation 0-5_

Width Size Deviation <2

Thickness deviation < 0.5

Tape and vernier calipers

3

Physical and Mechanical Properties Testing

1.

The physical and mechanical properties of base particleboard conform to Class A particleboard and first grade sanding standard in GB/T4879-92 standard.

2.

The physical and chemical properties of decorative laminates meet the requirements of F type decorative panels in GB/T7911-1999.

3.

The peeling strength of the overlay meets the requirements of GB/T3324-1995.

Over 1.4*1000N/m

The supplier shall provide relevant quality certification information corresponding to the product.

5

Inspection Rules

The company carries out a full inspection of the appearance quality of fire-proof board countertops.

6

Marking, Packaging, Transportation and Storage

6.1 Inspection certificate shall be provided in the packing box. The certificate shall indicate the name of the manufacturer, product specifications and sizes, model and trademark, quantity, date of leaving the factory, and inspector’s code number.

6.2 Packaging: Paper, boxes or other materials can be used to avoid damage. Packing list is attached to the boxes.

6.3 Transportation: Keep clean during transportation. Careful handling should be taken to avoid damage to the product.

6.4 Storage: Store in a ventilated and dry room to avoid moisture on the exposed surface of the base material.

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