GB/T 39089-2020Bamboo toothpicks (English PDF)

3.1 Bamboo toothpicks

Bamboo sticks, which are used for picking teeth, using bamboo, yellow bamboo, single bamboo and other bamboo materials as raw materials.

3.2 Little tip

The slender tip of the toothpick's tip.

3.3 Barbed tip

The barb-shaped tip of the toothpick tip.

3.4 Split tip

Stubble at the tip of a toothpick.

3.5 Arris tip

Longitudinal prismatic tip on the tip of the toothpick.

3.6 Decay

Due to the invasion of decay fungus, the cell wall material is decomposed, which leads to the loosening of the bamboo tissue structure, the decrease of strength and density, the change of bamboo tissue color.

3.7 Split

Separation of bamboo fibers, along the bamboo grain direction.

3.8 Wane

Cylinder edge defects, which are caused by planing, sanding, bumping, or undersized bamboo toothpick material.

3.9 Stain

Local discoloration or stains on the surface, which is caused by the influence of microorganisms, metals or chemicals.

6.2.2 Length

Length (L) inspection is measured by a steel ruler, which is accurate to 0.5 mm.

6.2.3 Diameter

The diameter of the cylinder (d1) is inspected, at one-half of the full length. The plane diameter of the tip (d2) is inspected, at the smallest point at the tip, by a vernier caliper, which is accurate to 0.02 mm.

6.2.4 Taper angle of tip

The taper angle of tip (alpha) inspection shall be carried out, at the tips, by a universal angle ruler.

6.3 Determination of moisture content

Take samples with complete packaging; make determination according to the provisions of GB/T 1931.

7.1 Inspection classification

Product inspection is divided into exit-factory inspection and type inspection.

7.2 Exit-factory inspection

Each batch of products shall be subject to exit-factory inspection. The exit-factory inspection includes the following items:

- Sensory inspection;

- Specification size and deviation inspection;

- Inspection of moisture content.

7.3 Type inspection

7.3.1 Inspect all items

7.3.2 After one year of normal production, type inspection shall be carried out, in one of the following situations:

- Trial-type identification of new products or products after trans-plant production;

- During formal production, where there are major changes in structure, raw materials, processes;

- When the production is restored after suspension for more than half a year; […]