T/HEBQS 028-2024 Active Group standards

T/HEBQS 028-2024 Dipped Mastic-coated Paper Finish Fiberboard

Publish Date: 2024-06-25 Implement Date: 2024-07-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/HEBQS 028-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Wood processing technology

Publish Date: 2024-06-25

Implement Date: 2024-07-15

Scope

Main technical content: **Defect Name** **Superior Grade** **First Grade** **Passable Grade** **Front** **Back** **Front** **Back** **Dry flowers, wet flowers not allowed** **Total area not exceeding 3% of the board surface** **Within 5mm from the board edge, total area not exceeding 5% of the board surface** **Stain spots:≤3 mm2 per square meter allowed; 1 spot per square meter allowed; between 3 mm2 and 30 mm2 per square meter allowed; between 5 mm2 and 30 mm2 per square meter allowed; 3 spots allowed** **Surface scratches:not allowed** **Board surface length≤100 mm per square meter allowed; 2 spots allowed; affecting the decorative layer:not allowed; length≤200 mm per square meter allowed; 4 spots allowed; affecting the decorative layer:not allowed** **Surface indentations:not allowed** **Surface voids:total area not exceeding 3% of the board surface** **Color mismatch:obviously not allowed** **Uneven gloss:obviously not allowed** **Bubbles:not allowed** **≤10 mm2 per square meter allowed; 1 bubble allowed per sheet; between 3 mm2 and 20 mm2 per sheet allowed; 2 spots allowed, not concentrated in any square meter; between 3 mm2 and 20 mm2 per sheet allowed; 3 spots allowed, not concentrated in any square meter; between 3 mm2 and 30 mm2 per sheet allowed; 3 spots allowed, not concentrated in any square meter** **Paper tear:≤100 mm allowed; 1 tear per sheet allowed** **Partial paper missing:≤10 mm2 allowed; 1 tear per sheet allowed** **Edge damage:≤3 mm allowed** The table does not list serious defects that affect the use and decorative effect, such as surface cracking, delamination, and corner/edge damage (within nominal dimensions), which are not allowed in products of any grade. --- **Key Notes:** 1. **Defect Name**: Indicates the specific type of defect, such as "stains spots", "surface scratches", etc. 2. **Grade**: Refers to the quality level of the product, including "Superior", "First Grade", and "Pa