Normal Ukobvu | Distance of any point on the top surface of the veneer inotsauka kubva kune light weight straight mutongi | |
Veneer kureba 500 | Kureba kweVeneer 1000 | |
≤15 | 2.0 | 4.0 |
>15...≤25 | 1.5 | 3.0 |
>25...≤60 | 1.0 | 2.0 |
>60 | 1.0 | 1.5 |
Chitarisiko Hunhu
Item | Yakabvumidzwa Range |
Kuzvimba | Hazvibvumirwi |
Kutsemuka | |
Dead Knot | |
Kunze-Muviri Kunamatira | |
Insect Hole | |
Kuora | |
Kusvibiswa | |
Kupwanya | Mamwe mashoma anotenderwa, asingashande mukushandiswa |
Impression | |
Rudzi-omarara uye kuputika | |
Zvigamba pa sq.m pamusoro | ≤3 |
GB Bvunzo Item- Isati yaburitsa Fekitori yekuongorora
Test Item | Unit | Standard | Test Method | |
Vertical Bending Strength | Kuna A | Mpa | ≥65 | GB/T2634—2008 Test Standard |
Kusvika B | ≥65 | |||
Vertical Bend modulus ye elasticity | Kuna A | Gpa | ≥8 | |
Kusvika B | ≥8 | |||
Compressibility (pasi pe20MPa) | Kuenda kuC | % | ≤3 | |
Crev | ≥70 | |||
Impact simba (parutivi bvunzo) | Kuna A | KJ/㎡ | ≥13 | |
Kusvika B | ≥13 | |||
Interlaminar shear simba | Mpa | ≥8 | ||
Simba remagetsi rakamira (90 ℃ + 2 ℃) | KV/mm | ≥11 | ||
Simba remagetsi rakamira (90 ℃ + 2 ℃) | KV | ≥50 | ||
Performance density | g/cm³ | >1.1~1.2 | ||
mvura | % | ≤6 | ||
Shrinkage mushure mekuoma | Kuna A | % | ≤0.3 | |
Kusvika B | ≤0.3 | |||
Kusvika ukobvu | ≤3 | |||
Kutorwa kwemafuta | % | ≥8 |