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পণ্য পৰিদৰ্শন

Whether it is in materials or production, Ailin has always followed the high standards of the industry. As a merchant or consumer, without professional testing technology, you can use a simple method to distinguish the quality of water bottles/tumblers.

এটা উদ্ধৃতি লওক

In most cases, the thermos cup refers to a container with a double-layer stainless steel structure with a vacuum insulation layer and a good heat preservation effect. For such products, whether it is a water bottle, tumbler or a mug, basically the same set of specifications can be used to inspect the quality.

1.Packaging

1.1 The packaging is to put the water bottle/tumbler into a plastic film bag first, and then put it into a carton. Custom color boxes may include more lining to better protect the water bottle/tumbler.

1.3 After the water bottle/tumbler is filled with packaging materials, there should be no defects such as shaking and packaging deformation. If the damage is caused by long-distance transportation, you should focus on checking whether the product is damaged.

1.2 The outer box is made of multi-layer corrugated paper material, which plays the role of protection and load bearing.

1.4 The outer box shall be sealed with scotch tape, and the sealing method shall be one longitudinal sealing and two side sealings. Special cases need to be sealed with packing tape for protection.

2.Product Appearance

2.1 All parts are processed well, and there is no obvious deformation and damage by visual inspection.

2.5 The cup body logo/pattern and other marks should be firm and clear, without missing prints, dew points and other defects.

2.2 Stainless steel parts should be smooth and clean, with good surface treatment, no burrs, obvious wrinkles, sawtooth and rust spots and other defects, and the welds should be smooth and clean, without welding bumps.

2.6 The protective film of the cup cover has no defects such as missing stickers, air bubbles, dirt, and fingerprints.

2.3 The plastic parts are processed well, with uniform plasticization, smooth surface, uniform color, and no obvious defects such as serious peeling bubbles.

2.7 The silicone foot pad has no defects such as missing stickers and dislocations.

2.4 The oxidized color of the cup body is uniform, without defects such as jet flow, exposed bottom, white spots, etc. The varnish should be clean and there should be no dirty spots.

2.8 Other matters


Serial NO.
Item
Standard Description

1
Mouth
The mouth is smooth andsmooth, without welding spots.

No obvious drawing andprocessing marks on the mouth

There is no polishing waxand dirt residue on the mouth

2
Inner Shell
The mouth of the liner isas bright as new without any blemishes

The inner tank wall isbasically bright, and the inner tank wall has no embroidered spots,yellowing, dirt, etc.

The bottom of the liner isbasically bright, with no electrolyte residue

3. Structural performance coordination inspection

3.1 The parts of the lid are well matched, and there are no loose, falling off, deformed, leaking and sealing silicone parts. Metal cup lids have no cracks, breakage, bumps, scratches, etc., and plastic cup lids have no cracks or whitening.

3.3 The plastic lid and the body cooperate to achieve the water sealing effect, and the gap between the cup cover and the cup body is between 0.2mm-0.7mm.

3.2 The metal cup cover is in good fit with the cup body, and the rotation and tightening thread must be in place, and there should be no slipping or non-occlusion phenomenon.

4. Appearance area division

4.1 A area: refers to the front/upper surface (the surface that can be seen directly during use) after being assembled into a complete water bottle/tumbler.

4.2 B area: Refers to the side of the water bottle/tumbler after being assembled (the surrounding area can only be seen when the line of sight is deflected by 45°~90°).

4.3 C area: Refers to the back and bottom of the assembled water bottle/tumbler (the back and bottom that cannot be seen in normal use).

I_P_I4.4

Area A inspection conditions

Distance: 30cm   time: 10 seconds   light source: 40W lumens

Position: The observed surface of the product is at an angle of 45° to the horizontal plane, and it rotates at 15° up, down, left, and right during observation


Defective Item
Test Tool
Defect Description
Defect Level

MAX
MIN

stain

Impurities

bubble
Visually or use Film withstandard points
A different colorpoint≧0.3mm or the same color point≧0.5mm
√

A different colorpoint≧0.2mm or the same color point≧0.3mm

√

The sum of the diametersof two heterochromatic dots with an interval of <10mm,≧0.35mm or the sumof the diameters of two homochromatic dots≧0.5mm
√

The sum of the diametersof two heterochromatic dots with an interval of <10mm,≧0.25mm or the sumof the diameters of two homochromatic dots≧0.35mm

√

There are three visiblepoints within a distance of less than 10mm

√

Impurities are raised,with obvious hand feeling
√

Fingerprints、

Smudges
Visually
Visible directly
√

Visible at reflectiveangle

√

Cracks、

Notches
Visual / Caliper
cracks, gaps visible
√

Bump marks
visually
Visible directly
√

Visible at reflectiveangle

√

Scratch、

bonding line
Visually/

Transparent FILM filmcompared with standard points
Hard scratches visiblefrom any angle
√

Fine scratch length ≧5.0mm width ≧ 0.1mm
√

Fine scratchlength≧1.0mm<5.0mm width≧0.05mm

√

There are 2 or more finescratches within a distance of 10mm
√

Area B inspection conditions

Distance: 40cm   time: 10 seconds   light source: 40W lumens

Position: The observed surface of the product is at an angle of 45° to the horizontal plane, and it rotates at 15° up, down, left, and right during observation


Defective Item
Test Tool
Defect Description
Defect Level

MAX
MIN

stain

Impurities

bubble
Visually or use Film withstandard points
A different color point≧0.4mmor the same color point≧0.5mm
√

A different color point≧0.3mmor the same color point≧0.4mm

√

The sum of the diametersof two heterochromatic dots with an interval of <10mm,≧0.4mm or the sum ofthe diameters of two homochromatic dots≧0.55mm
√

The sum of the diametersof two heterochromatic dots with an interval of <10mm,≧0.3mm or the sum ofthe diameters of two homochromatic dots≧0.45mm

√

There are three visiblepoints within a distance of less than 10mm

√

Impurities are raised,with obvious hand feeling
√

Fingerprints、

Smudges
Visually
Visible directly
√

Visible at reflectiveangle

√

Cracks、

Notches
Visually
cracks, gaps visible
√

Bump marks
Visually
Visible directly
√

Visible at reflectiveangle

√

Scratch、

bonding line
Visually/

Transparent FILM filmcompared with standard points
Hard scratch length≧3mm,width≧0.05mm
√

Visible and hard scratchesunder standard inspection conditions <=3mm≧1.5mm, width≧0.05mm

√

Fine scratch length ≧5.0mm width ≧ 0.1mm
√

Fine scratchlength≧1.0mm<5.0mm width≧0.05mm

√

There are 2 or more finescratches within a distance of 10mm
√

Area C inspection conditions

Distance: 60cm   time: 10 seconds   light source: 40W lumens

Position: The observed surface of the product is at an angle of 45° to the horizontal plane, and it rotates at 15° up, down, left, and right during observation


Defective Item
Test Tool
Defect Description
Defect Level

MAX
MIN

Stain、

Impurities、

Bubble
Visually or use Film withstandard points
A different color point≧0.6mmor the same color point≧0.7mm
√

A different color point≧0.5mmor the same color point≧0.6mm

√

The sum of the diametersof two heterochromatic dots with an interval of <10mm,≧0.5mm or the sum ofthe diameters of two homochromatic dots≧0.6mm
√

The sum of the diametersof two heterochromatic dots with an interval of <10mm,≧0.5mm or the sum ofthe diameters of two homochromatic dots≧0.6mm

√

The sum of the diametersof 3 heterochromatic dots with an interval of <10mm,≧0.5mm or the sum ofthe diameters of 3 homochromatic dots≧0.6mm

√

Fingerprints、

Smudges
Visually
Visible directly
√

Visible at reflectiveangle

√

Cracks、

Notches
Visual / Caliper
cracks, gaps visible
√

Bump marks
visually
Visible directly
√

Visible at reflectiveangle

√

Scratch、

bonding line
Visually/

Transparent FILM filmcompared with standard points
Scratch: length≧15mm,width≧0.10mm
√

Scratch: length≧5mm,width≧0.10mm
√