23
23
Òàáëèöà 2
Ñðàâíèòåëüíûå ïîêàçàòåëè ôèçèêî-ìåõàíè÷åñêèõ è ýêñïëóàòàöèîííûõ ñâîéñòâ äðåâåñèíû è äðåâåñíîíàïîëíåííûõ ìàòåðèàëîâ
¹
ï/ï
Ïîêàçàòåëü
Äðåâåñèíà
ÄÑÏ
ÝÄÍÏ
Ïëèòû
Ïðîôèëè
ÏÂÏ
ÏÂÕ
ÏÂÏ
ÏÂÕ
1. Ñïîñîá ïîëó÷åíèÿ
Ïðåññîâàíèå
Ïðåññîâàíèå
Ïðåññîâàíèå
2. Ïëîòíîñòü, êã/ì
3
450–550
550–800
800–1000
1000–1200
3. Ïðåäåë ïðî÷íîñòè ïðè èçãèáå, ÌÏà
50–100
1
13,4–19,6
15–20
25–42
18–21
29–44
1,5–2,0
4. Ïðåäåë ïðî÷íîñòè ïðè ðàñòÿæåíèè, ÌÏà
70–120
0,29–0,34
7–8
8–10
2,7–10,8
5. Ïðåäåë ïðî÷íîñòè ïðè ñæàòèè, ÌÏà
39–53
10–20
15–20
23–25
20–25
25–30
1,9–6,9
6. Òâåðäîñòü, ÌÏà
18–47
29
30
35
39
40
17–29
7. Ìîäóëü óïðóãîñòè ïðè èçãèáå, ÌÏà
10000–15000
1700–4000
2000–
3000
3000–
4000
2000–
3000
3000–
4000
430–600
1
8. Óäàðíàÿ âÿçêîñòü ïðè ñòàòèñòè÷åñêîì èçãèáå, êÄæ/ì'
2,9–9,3
4–8
2–4
5–8
3–5
6–8
9. Óäåëüíîå ñîïðîòèâëåíèå âûäåðãèâàíèþ øóðóïîâ, Í/ìì
45–80
150–200 150–200 200–250 45–80
10. Âîäîïîãëîùåíèå çà 24 ÷àñà.
%
35–60
15–30
24–30
2
5–10
2
1–3
1–2
1–3
3
0,5–1
3
11. Ðàçáóõàíèå ïî òîëùèíå çà 24 ÷àñà, %
0,1–0,3
20–30
20–25
4,8
äî 2
äî 1
6–12
12. Òåïëîñòîéêîñòü ïî Âèêà. °Ñ
110–120 110–130
13. Áèîñòîéêîñòü
ïîäâåðæåíû áèîðàçðóøåíèþ
ñòîéêè ê áèîðàçðó-
øåíèþ
ñòîéêè ê áèîðàç-
ðóøåíèþ
1
- âñå óñðåäíåííûå ïîêàçàòåëè äëÿ äðåâåñèíû ïðèâåäåíû ïðè âëàæíîñòè 12%
2
- ïëèòû ïîëó÷åíû èç ïîðîøêîîáðàçíîãî ïîëèìåðà è îïèëîê
3
- ïëèòû ïîëó÷åíû èç ãðàíóëèðîâàííîãî ñûðüÿ