VIETNAM INSULATING PAPER
SPECIFICATION OF INSULATING PAPER (Russia Standard GOST 1931-80)
Parameter RIPPI-70 RIPPI-80 RIPPI-100
1/ Thickness (mm) 70 ± 3 80 ± 5 100 ± 6
2/ Density (g/cm3) >= 0.78 >= 0.76 >= 0.75
3/ Tensile Strength (kg/15mm)
- Vertical >=7.7 >=3.3 >=9.0
- Horizontal >=3.7 >=10.0 >=4.0
4/ Folded Strength
(at 1200oC in 10 hours) >=850 >=900 >=1000
5/ Electric strength in air (KV/mm) >=9.0 >=8.5 >=7.5
6/ Average Water Absorbability (mm) 4-10 5-12 5-12
7/ Ash (%) <=0.6 <=0.6 <=0.6
8/ pH 7.0-9.0 7.0-9.0 7.0-9.0
* Size:
- Width: 600-640mm, 150-250kgs/roll
- Width 620mm x length 1100mm, 200kgs/ram
-At buyers' options
* Capacity: 40 tons/month
* Usages:
-Insulating paper is a necessary material in producing electric accessories, Low Voltage Power Cable, Medium powder Cable, Data telemunication Cable, Transformer, Electronic board, etc.