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Requirements for appearance quality of wood veneered doors (ly / T 2878-2017)

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Wood veneer door ly / T 2878-2017     Requirements →   Appearance quality

5 requirements

5.2 appearance quality

5.2.1 appearance quality of solid wood veneer door and solid wood composite veneer door

The appearance quality of solid wood veneer door and solid wood composite veneer door shall meet the requirements of Table 1.

Table 1 appearance quality of solid wood veneer door and solid wood composite veneer door

Inspection items Door leaf Door frame
Death
Holes
Sandwich leather
Resin channel, etc
Semi live joint, dead joint, hole, bark, resin channel and tree rubber channel Total number of defects per square meter four
Hemiarthropod Maximum single long diameter mm 10, less than 5, not included, falling off need to be filled 20, less than 5, not included, falling off need to be filled
Dead joint, wormhole and hole Maximum single long diameter mm not allow 5, less than 3, not included, falling off need to be filled
Sandwich leather Maximum single long diameter mm 10, less than 5 will not be counted 20, less than 10 will not be counted
Resin canal, gum canal and pulp spot Maximum single long diameter mm 10, less than 5 will not be counted 20, less than 10 will not be counted
decadent not allow
crack Maximum single width mm 3 and need to be repaired
Maximum single length mm one hundred two hundred
Splicing gap Maximum single width mm zero point three zero point three
Maximum single length mm two hundred three hundred
Lamination Maximum single width mm not allow zero point five
Bubbling and stratification not allow
Depression, indentation, bulge Maximum single area mm not allow one hundred
Number of plates per square meter one
Burr, groove, knife mark, scratch Not obvious Not obvious
Permeable sand Maximum sand penetration width mm 3. Only at the door edge 8. Only allowed at the door edge
Processing ripple not allow
Paint film scratch Not obvious
Surface paint film sagging* not allow
Blistering of paint film* not allow
Paint leakage* Not obvious
Contamination (including groove lines) not allow
Pinhole* Color paint, diameter less than or equal to 0.3mm and less than or equal to 8 / door
Surface film wrinkle* not allow
Film particles and groove linear part* Smooth feel
Linear combination part of frame and fan The boundary line of frame and fan is smooth, uniform and consistent
chromatic aberration Not obviously allowed Generally allowed
Granules and pitting* not allow Diameter up to 1.0 mm and less than or equal to 8 pieces / frame
The joint between wood panel and stile is exposed white and seam not allow
Note 1: lamination, bulging, lamination and splicing are not allowed for solid wood panel doors.
Note 2: paint finishing items are not allowed for wood veneer doors that are not painted.
Note 3: when the surface is opaque, only the inspection items related to the paint shall be tested.
*Paint project.

5.2.2 appearance quality of wood composite veneer door

5.2.2.1 the wood composite panel door shall meet the requirements in Table 2.

Table 2 appearance quality of wood composite wood veneer door (PVC, decorative paper, impregnated film paper)

Defect name Door leaf Door frame
Uneven color Slight permission Not obvious
Color mismatch Obviously not allowed
Bubbling not allow
swelling not allow
wrinkle Slight permission Not obvious
Defects, stains Any 1m ² Less than or equal to 3 mm in the plate surface ² 1 allowed Any 1m ² 3 mm in plate surface ²~ 30mm ² 1 allowed
indentation slight The maximum area shall not exceed 15mm ², No more than 3 places per square meter
scratch not allow The width shall not exceed 0.5mm, the length shall not exceed 100mm, and the total length of slab surface per square meter shall not exceed 300mm
Local defect and edge collapse not allow
Surface tearing not allow
Dry and wet flowers not allow
Through the bottom, through the glue not allow Slight permission
Surface porosity not allow
The joint between wood panel and stile is exposed white and seam not allow
Note 1: the normal visual acuity is visible within 0.5m from the surface of the plate, not obvious refers to the visibility at 1m away from the plate surface, and the obvious refers to the visibility beyond 1m.
Note 2: dry and wet flowers are the requirements for the door decorated with impregnated adhesive paper.

5.2.2.2 the appearance quality of veneer veneer and paint coated wood composite veneer door shall also meet the requirements of veneer finish and paint coating in Table 1.