Level of state of People's Republic of China
Sawn timber examines GB6491 - 86
Drying Quality Of Sawn Timber

The dry sawn timber that this standard applies to utility of etc of things of the instrument, model, musical instrument, aviation, spin, furniture, car, shipping, building, last for shaping a shoe, horological carapace, box that pack, style.

This standard is in GB153.2 - 84 " classify of conifer sawn timber " , GB4817.2 - 84 " classify of broadleaf sawn timber " , GB4822. L - 84 " sawn timber examines measure tag and definition " , GB4822.2-84 " sawn timber examines dimension check is measured " , GB4222. 3, 84 " sawn timber examines grade assess " wait for the formulate on the foundation, outside all applying to dry sawn timber except afore-mentioned standards namely, make following provisions.

Moisture content of 1 dry sawn timber

Moisture content of 1.1 dry sawn timber namely the final water content after sawn timber course is dry, consider to decide by utility and area. Give priority to with utility, the area is complementary.

Definite opinion of plan of utility of moisture content of 1.2 dry sawn timber is expressed 1.

Express the moisture content of dry sawn timber of different utility of 1 our country

Moisture content of sawn timber utility, moisture content of utility of % sawn timber, % Average range is average limits The plane is made
The train is made
Passenger car interior
Van
The car is made
Passenger car
Lorry
Shipping is made
Furniture is made
Glue spells a component
Other part
Parquetry
Sewing machine bedplate
Build door window
The building outdoor is used makings
Heating is indoor with makings
Machinery makes wooden model
Spin equipment
Clip
Gauze canal
Loom wood component
Musical instrument is made 8

10
12

10
12
11

8
10
8
9
10
14
7
7

7
8
10
7 5-10

8-13
10-15

8-13
10-15
9-15

6-11
8-14
6-12
7-12
8-14
12-17
5-10
5-10

5-10
6-11
8-13
Box of 5-10 accurate instrument
Agricultural machinery spare parts
Farm tool
Firearm uses material
War industry packs box
Box wall
Frame ram
Average package case
Musical instrument packs box
Stationery is made
The toy is made
Sporting goods
Playground appliance
Electric appliance reachs machine
Pencil board
Last for shaping a shoe
Match
Cask
Cable dish
The shop installs road to use timber
A long way transports sawn timber
Horological carapace 7
11
11
8

11
14
14
10
7
8
8
10
6
6
6
10
6
14
20
20
7 5-10
9-14
9-15
6-12

9-14
11-18
11-18
9-11
5-10
6-11
6-11
8-13
4-9
3-9
4-9
8-12
5-8
12-18
18-30
16-22
5 - 10
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