DH324 Phenolic Paper Laminate

    This product is made from cellulose impregnated paper with phenolic resins binder under heat and pressure, they are used for various carbon film potentiator.
    The surface of sheet shall be smooth and even, free from foreign matter and other apprarent defect, the cut edges of sheet is straight free from delamination and crack in section, but permited small scratches.
    Dismensions of the product are given in Table .

Width Tolerances(mm) Length Tolerances(mm) Thickness(mm) Tolerances(mm)
1020mm
(40in)		 +/-15 1220mm
(48in)
1020mm
(40in)		 +/-15 0.40
0.50
0.60
0.80
1.00
1.20
1.60
2.00
2.50
3.00		 +/-0.07
+/-0.08
+/-0.09
+/-0.10
+/-0.12
+/-0.14
+/-0.16
+/-0.19
+/-0.22
+/-0.25

    Properties of the product are shown in Table.
No. Items Unit Normal value
1 Heat resistance
The sheet of thickness less than 1mm should be kept in oven for 30min at 200℃ 		% No blister and delamination, warpage no more than 15mm, twist from diagonal is no more than 10mm
<0.35
2 Surface resistivity
Normal
After immensed in water		 MΩ
>1x104
>1x102
3 Dielectric strength,perpendicular to laminations
Normal(thickness 0.5～1mm) 		MV/m >17
4 Water absorption
Thickness0.40mm
         0.50mm
         0.60mm
         0.80mm
         1.00mm
         1.20mm
         1.60mm
         2.00mm
         2.50mm
         3.00mm		 mg  
<62
<63
<65
<67
<69
<71
<76
<80
<85
<90
5 Punchability   good

Address:26# Jianshe Rd., Jiaojiang, Taizhou, Zhejiang, China 318000
Tel:0086-576-88519521 88519943          Fax:0086-576-88519869
E-mial:dimc@mail.tzptt.zj.cn