Insulation Pressboard for Oil Transformer

• Application: Insulators, Electrical Base, Shell, Motor
• Type: Insulation Paper
• Chemistry: Inorganic 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.: 3052
• Material: Paper
• Thermal Rating: A 105
• Maximum Voltage: 20KV~100KV
• Classification: Inorganic Insulation Material
• Certification: ISO9001
• Color: Brown
• Brand: Hjh
• Transport Package: Bag/Pallet
• Specification: MT
• Trademark: HJH
• Origin: China
• HS Code: 4811601000
• Production Capacity: 1000000kg/Month
• Package Size: 102.00cm * 122.00cm * 50.00cm
• Package Gross Weight: 1000.000kg

Product Description

1. FEATURES

• Hot-pressed Pressboard, 100 % sulphate pulp
• High hardness and stiffness
• Low shrinkage and compatibility
• High purity and mechanical strength
• Good compatibility with liquid dielectrics
• Further processing is ensured since the pressboard can be punched, folded, cut and formed without difficulty.

2.APPLICATIONS
Used as insulating material in power and distributing transformer. It is suitable for strips, cylinders, spacer, plates and structural supports of oil-liquid of distribution transformers, reactor and bushing current transformer.

3.TECHNICAL PARAMETER

Items		Standard IEC60641-3-1
Thickness Tolerance		± 7.0%
Density		1.05 -1.20 g/cm3
Tensile strength	MD CMD	≥ 90 N/mm2
		≥ 50 N/mm2
Shrinkage	MD CMD Perpendicular	≤ 1.0 % ≤ 1.4 % ≤ 6.0 %
Elongation	MD CMD	≥ 3.5 % ≥ 4.0 %
Ash Content		≤ 1.0%
PH Value of Aqueous Extract		6 - 9
Oil Absorption		≥ 9%
Conductivity of Aqueous Extract		≤ 10 mS/m
Electrical Strength in Oil 0.8mm -1.0mm 1.5mm - 2.0mm 2.5mm 3.0mm - 4.0mm		≥ 35 KV/mm ≥ 30 KV/mm ≥ 27 KV/mm ≥ 24 KV/mm

FAQ
Q: Are you trading company or manufacturer ?
A: Both

Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 5--15days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ?is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ? A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shipment.