basic introduction

ZRLK testing provides professional paper testing services. It provides authoritative third-party testing reports for various paper products, around a variety of subdivision testing standards, and based on domestic and foreign testing standards.

Testing service

Cultural paper testing

Coated paper, printing paper, carbon paper, etc.

Packaging paper testing

Cellophane, kraft paper, corrugated boxes, etc.

Household paper testing

Toilet paper, diapers, napkins, tissues, etc.

Industrial paper testing

Kraft paperboard, corrugated core paper, coated white paperboard, gray paperboard, etc.

Test items

Whiteness, smoothness, gloss, softness, dustiness, pH value, leakage performance, tensile strength, interlayer bonding strength, horizontal liquid absorption height, tearing degree.

Testing standards

GB/T 6543-2008 Corrugated box

GB/T 450 paper and paperboard samples and the measurement of the longitudinal, front and back sides of the samples

GB/T 10739 Standard atmospheric conditions for the processing and testing of paper, board and pulp samples

GB/T 23979.2-2009 Fluorescent whitening agent Determination of whitening intensity and shade of light Paper dyeing method

GB/T 7973 Determination of diffuse reflection factor of paper, board and pulp

GB/T 7974 Determination of Brightness (Whiteness) of Paper, Paperboard and Pulp

Our advantage

1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.

2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.

3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.