Natural Insulating Paperboard, Press Paperboard, Kraft Paperboard, Transformer Paperboard

• Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate
• Type: Insulation Paper
• Chemistry: Hybrid Insulation
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: JZ631
• Material: Wood Pulp
• Thermal Rating: E 120
• Maximum Voltage: 5.5~24kv/Layer
• Classification: Inorganic Insulation Material
• Certification: ISO9001
• Color: Wood Color
• Brand: Jinzhi
• Width: 960mm or Customized
• Transport Package: Pallet/ Carton
• Specification: 0.05mm-0.2mm or Customized
• Trademark: JINZHI
• Origin: Xuchang, Henan
• HS Code: 8547909000
• Production Capacity: 12000 Metric Ton/Metric Tons Per Year
• Package Size: 15.00cm * 20.00cm * 10.00cm
• Package Gross Weight: 1.200kg

Product Description

Product Description

Natural Insulating Paperboard
Type: JZ631
 

1.COMPOSITION AND PRESENTATION

Normal Thickness: 0.50; 0.80; 1.0; 1.5; 2.0; 2.5; 3.0 mm
Normal Size: 1000 X 2000 mm;
 

2.PROPERTIES & APPLICATIONS.

This product made from highly purified unbleached sulphate pulp. It has obvious good properties in
mechanical strength., electrical strength and compressibility. It is suitable for strips, cylinders, spacer,
plates and structural supports of oil-liquid of distribution transformers, reactor and bushing current
transformer.

3.MAIN TECHNICAL CHARACTERISTICS

Items	Standard IEC(641-3-1):1992
Thickness Deviation	≤ 5.0%
Density	1.10 -1.25 g/cm^3
Tensile strength MD	≥105 N/mm^2
Tensile Strength CMD	≥ 80 N/mm^2
Shrinkage MD CMD Perpendicular	≤ 0.5% ≤ 0.7% ≤ 5.0%
Elongation MD CMD	≥ 3.0% ≥ 4.0%
Ash Content	≤ 1.0%
PH Value of Aqueous Extract	6 - 9
Oil Absorption	≥ 9%
Conductivity of Aqueous Extract	≤ 5 mS/m
Electrical Strength in Oil 0.5mm -1.5mm up 1.5mm -3.0mm	≥ 40KV/mm ≥ 35 KV/mm
Moisture Content	≤ 6 %