Skip to main content
RISE logo

Age Resistance of Cellulose Products

When it comes to products used over an extended period or exposed to various environmental conditions, it's crucial that they retain their properties over time. Products that continue to function correctly and maintain their original characteristics even after prolonged use are of higher value to users.

The Importance of Durability Testing in Product Development and Consumer Satisfaction

To meet customer expectations and remain competitive, products must undergo an assessment of their durability. Durability is a critical quality measure assessing how well a product can maintain its functional and structural properties over time without compromising performance or quality.

Measuring durability involves evaluating a product's ability to withstand aging processes that may affect its performance, structure, and reliability over time. This may include exposure to various environmental conditions such as temperature variations, humidity, UV light, chemicals, or mechanical wear and tear.

By measuring and evaluating durability, manufacturers and product developers can identify potential weaknesses or flaws in the product and take action to enhance its longevity and lifespan. This may involve using more resilient materials, improving production methods, or applying surface treatments to protect the product from external influences.

For consumers, durability is crucial when choosing products, especially for long-term use or in environments with extreme conditions. Investing in products with high durability can reduce the need for frequent replacement or repairs, thus lowering total costs over the product's lifecycle.

In business contexts, the durability of products can be crucial for maintaining a company's reputation and credibility in the market. Products known for their long lifespan and reliability tend to attract more customers and build loyalty over time.

Measuring durability is a vital part of the product development process and can be tailored to the specific intended uses and requirements of the products. There are standardized methods for assessing durability, but it is also possible to develop customized testing methods to meet specific needs and preferences of customers and users.

Some common instruments and methods used to measure durability include:

1. Climate chambers: Used to simulate various environmental conditions such as temperature, humidity, and other climatic factors.

2. Accelerated aging under different light conditions: Products are exposed to various light conditions, including UV light, to simulate the aging process and assess its effects.

3. Aging through freezing: Products undergo cycles of freezing and thawing to assess their ability to withstand temperature variations and humidity.

4. Hysteresis testing: Used to measure products' ability to recover after mechanical pressure or deformation, particularly important for elastic materials.

During durability testing, various properties can be measured to evaluate the products' performance and condition over time, including mechanical, optical, and chemical properties. By conducting rigorous tests, manufacturers and product developers can identify any weaknesses or flaws and take steps to improve the products' durability and lifespan. This is crucial to ensuring that the products meet customer expectations and maintaining a strong brand reputation and trust in the market.


Aging resistant paper (ISO 9706)

  • Neutral glue
  • pH value between 7.5 and 10.0
  • Have an alkali reserve of less than 0.4 moles of acid per kg of paper (less than 2% chalk or equivalent)
  • Have tear strength over 350 mN
  • Have kappa numbers less than 5, ie the paper may only contain a limited amount of oxidizable material (eg lignin)

Aging resistant paper (ISO 11108)

  • made from cotton, cotton linters, hemp or flax but may contain a small amount of fully bleached chemical pulp
  • Folding strength less than 2.18 (weight over 150)


  • Age resistance for
  • Document paper
  • Archive paper
  • Color fastness
  • DIN 6738 Life span on paper and paper board
  • ICN


RISE provides a comprehensive report where results are presented in a clear manner through concise but informative sections with clear diagrams and tables. This report structure is designed to make it easy for customers and stakeholders to quickly grasp the presented results without having to delve into extensive texts.


Order via contact person

Order template (pdf, 218.63 KB)


Age Resistance of Cellulose Products

Delivery level



Price on tender

Delivery time

The delivery of results is scheduled based on our order backlog and the scope as well as the complexity of your assignment. We aim to ensure that your results are delivered on time, taking into account the specific requirements of your project. Thank you for your understanding and patience as we work to provide you with the best possible service.

Supports the UN sustainability goals

6. Clean water and sanitation
9. Industry, innovation and infrastructure
12. Responsible consumption and production
13. Climate action
14. Life below water
15. Life on land
Christina Wedin

Contact person

Christina Wedin


+46 10 722 32 47

Read more about Christina

Contact Christina
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

* Mandatory By submitting the form, RISE will process your personal data.

Madelene Nordquist

Contact person

Madelene Nordquist

+46 10 722 32 30

Read more about Madelene

Contact Madelene
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

* Mandatory By submitting the form, RISE will process your personal data.


Cannot find what you are looking for or are you curious about how we can help?

Send message
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.

* Mandatory By submitting the form, RISE will process your personal data.



Lignocellulose - Pulp Technology

Pulp production plays a central role in the bioeconomy, the transition towards a fossil-free society, and circular processes. The main part of the fiber line is the pulp mill, where wood is treated with chemicals to produce pulp w…

Life cycle assessment LCA)

RISE offer both research and consulting activities for Life cycle assessments, LCA. The combination of LCA knowledge and deep technical competence make us unique. We can help you quantify environmental effects from the cradle to t…

Comparative Testing for Pulp and Paper Laboratories

Proficiency testing represents a valuable method for assessing and ensuring the quality of laboratory operations. These comparisons can encompass various aspects, including instrument performance and analysis methods.

Cellulose Products Sensitive to Weather Fluctuations

The fluctuations in climate not only affect us humans but also have a significant impact on the properties of paper and cardboard. Following a summer with extremely variable temperatures and humidity, the handling of samples has b…

Analysis of Anthraquinone in Products and Dispersions

Anthrachinone is a chemical compound typically occurring in the form of yellow needle-shaped crystals. It is utilized as a dispersion agent in the boiling process of sulfate pulp to enhance yield.

Light Microscopy Quickly Reveals Small details

With light microscopy, you can quickly gain an overview of the problem, and all images are displayed in color. It is often used in conjunction with product development, troubleshooting, and customer support. To gain understanding …

Identification of Various Organic and Inorganic Compounds

RISE can assist the process industry with the analysis of small particles or stains that may occur in these materials. This enables the monitoring and control of raw material quality and processes in a highly detailed manner. It i…

Troubleshooting Provides You with Solutions in Processes and Products

Processes and products are often contaminated for various reasons, leading to operational issues that create economic and environmental consequences, as well as potential customer complaints. RISE's extensive expertise and eq…