Electrical Insulation Paperboard/Pressboard/Presspaper for Transformer

• Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Switch Baseplate
• Type: Solid
• Chemistry: Inorganic Insulation
• Material: Paper
• Thermal Rating: E 120
• Maximum Voltage: 20KV~100KV
• Model NO.: pressboard/presspaper/paperboard
• Classification: Inorganic Insulation Material
• Certification: ISO9001
• Color: Brown, Red
• Brand: Chr
• Transport Package: Pallet
• Specification: 1-4mmx1mx2m
• Trademark: CHR
• Origin: China
• HS Code: 4811601
• Production Capacity: 100mt/Week

Product Description

Insulation paperboard transformer
Presspaper is used for electrical industrial board for motors, electric device, instruments, swith board, transformer for insulation and assembly pieces under 35kv.
Good mechanical strength, low compression and high electric strength
Size: 1--5mmx1mx2m
Color: Brown
Package: Pallet


Number Index Unit Standard Test Result
1 Norminal thickness mm 2 2.1
2 Norminal Grammage g/cm3 1.1-1.25 1.17
3 pH VALUE / 6.0-6.9 7.8
4 Content of water % 5.0-6.0 5.6

Number	Index		Unit	Standard	Test Result
1	Norminal thickness		mm	2	2.01
2	Norminal Grammage		g/cm3	1.1-1.25	1.17
3	Tensile Strength	MD CD	MPa	≥105 ≥80	141 108
4	Elongation	MD CD	%	≥3.0 ≥4.0	5.8 5.5
5	Breakdown Voltage		KV/mm	≥35	40
6	PH VALUE		/	6.0-6.9	7.8
7	Content of water		%	5.0-6.0	5.6