Corrugated Cardboard/ Corrugated Paper Board

Product Description

 Product Description:
Insulation corrugated board for Transformer
Description:
The corrugating paperboard is made of compacted press-board, and has good  mechanical strength and electrical properties. It can be easily installed.    
Characteristic:
1. High mechanical strength
2.Excellent electrical performance
3.Stable shape and accurate size
Application:
This product mainly applied to oil-immersed transformer as insulation material. It can even the distribution of the solid insulation materials.
Product Parameters:

Item	Test Standard	Measured Value	Standard Value
Thickness	IEC 641-2	≤1.6mm  6.00% >1.6-8.0mm 4.00%	±7.5% ±5.0%
Apparent Density	IEC 641-2	≤1.6mm  1.09 g/cm^3 >1.6-4.0mm 1.15 g/cm^3	1.00 -1.20 g/cm^3 1.10 - 1.25 g/cm^3
Min. Tensile Strength M.D. unfolded	IEC 641-2	≤1.6mm  107 N/mm^2 >1.6-4.0mm 128 N/mm^2	70 N/mm^2 80 N/mm^2
Min. Tensile Strength C.M.D. unfolded	IEC 641-2	≤1.6 mm  77 N/mm^2 >1.6-4.0 mm 83 N/mm^2	50 N/mm^2 55 N/mm^2
Min. Elongation M.D. unfolded	IEC 641-2	3.9%	6.0%
Min. Elongation C.M.D, unfolded	IEC 641-2	4.1%	8.0%
Max. Moisture Content	IEC 641-2	4.2%	8.0%
Max. Ash Content	IEC 641-2	0.3%	2.0%
PH of Aqueous Extract	IEC 641-2	6.3	6.0-9.0
Max. Shrinlage M.D	IEC 641-2	0.4%	0.5%
Max. Shrinkage C.MD	IEC 641-2	0.6%	0.7%
Max. Thickness Shrinkage	IEC 641-2	3.9%	5.0%
Min. Oil Absorption	IEC 641-2	≤1.6 mm  13.7% >1.6-4.0 mm 10.6%	11.0% 9.0%
Compressibility C	IEC 641-2	≤1.6 mm  9.4% >1.6-4.0 mm 5.7%	10.0% 7.5%
Revers. Part of Compressibility Crev	IEC 641-2	≤1.6 mm  54% >1.6-4.0 mm 71%	45% 50%
Min. Breakdown Voltage in Oil	IEC 641-2	≤1.6 mm  50 kV/mm >1.6-4.0 mm 45 kV/mm	12 kV/mm 10 kV/mm
Max. Conductivity of Aqueous Extract	IEC 641-2	≤1.6 mm  3.3 mS/m >1.6-4.0 mm 3.5 mS/m	10.0 mS/m 10.0 mS/m

 

Certifications

Product quality: With consistent quality control throughout the entire process of product design and development, material procurement, production, quality inspection, and sales, the company has passed strict quality system certification and has been widely recognized by well-known customers. The company's products have advantages in quality.

Packaging & Shipping

Company Profile

 

KangLiyuan Technology (Tianjin) Co., Ltd. is an emerging technology-based insulation material company in China. It has a membership certificate of the China Electrical Equipment Industry Association and is a governing unit of the Insulation Materials Branch of the China Electrical Equipment Industry Association. It is a comprehensive processing company of insulation materials and insulation parts and birch and wood in North China. Manufacturer of beech electrical laminated wood panels. It is the first domestic manufacturer of beech electrical laminated wood. The company's products are widely used in electrical control fields such as insulating materials and insulating parts for oil-immersed transformers (10kV-750kV), dry-type transformers, motors, explosion-proof electrical appliances, complete sets of equipment, high and low voltage electrical appliances, etc.

Our products all meet the national standard, IEC standard and ISO standard. We have more than 60 national inventions and utility model patents, and the reliable quality of our products and our superb service has received warm praise from our customers!
We take customer satisfaction as our goal, trying our best to be more professional. In line with the principle of "putting customers first and pursuing continuous improvement" ,we will keep innovating and never stop on our way to become a new material supplier of transformer industry at home and abroad.

Our company has won plenty of awards like "Tianjin Quality Trustworthy Team","Tianjin Excellent Quality Management Group","Advanced Enterprise of Tianjin Promoting General Quality Management Team Activities","National Science And Technology Small And Medium-sized Enterprise","2016 National Excellent Quality Management Unit","2017 National Excellent QC Group","National Hi-tech Enterprise" and we are determined to become better.

Customer visit

FAQ

Q: How you make sure the quality?
a. We will consult on your requirements, and recommend suitable products to you.
b. Before production, we will send samples to you
c. During production, we will always check quality, package, delivery etc.
d. Before package, with QA to check everything
e. After shipment, we will consult with you about satisfaction.

Q: How to make sure the delivery date?
a. Before production, we will see we can meet your time or not.
b. After your payment, we start our preparing material immediately.
c. During production, We will inform you of the production scheduled.
d. Before shipment, we will inform you to pay the balance on time and booking immediately.