Updated on June 21, 2025 11:10:28 AM
Resin-treated compressed wood laminate compregs are relatively new products that create the use of compression and resin technology. These engineered laminates are obtained from the layers of wood veneers or fibers united by thermosetting resins at high temperature and high pressure, and subsequently offer remarkably high mechanical characteristics and electrical insulation efficacy. Compregs are widely used in many industries especially electrical applications where issues to do with safety and strength are of great concern. In India, for such materials, the Bureau of Indian Standards (BIS) has developed Quality Control Orders (QCOs).
This not only provides the assurance of compregs reliability but in addition, it increases consumer's trust in them. With the ever-increasing customer demand for improved electrical insulation materials, the manufacturing techniques, testing procedures, and certification specifications of resin-treated compressed wood laminates are crucial information for manufacturers and customers. The following aspects will be discussed in detail in this blog, the role and significance of BIS certification in preserving product quality and reliability in the Indian market.
BIS Registration Sample
Resin-treated compressed wood laminates (compregs) are composite of compressed wood laminations and are made of a combination of wood veneer or any other wooden material bonded together with a thermosetting resin. This process increases their mechanical characteristics and thus finds usefulness in electrical and structural applications. They possess a high strength-to-weight ratio, they have poor moisture absorption and it is a good electrical insulating material.
These laminates are applied where mechanical strength and electrical insulation properties are critical for their application such as electrical insulation boards, switch gear parts, electrical apparatus, etc. New Quality Control Orders (QCOs) promulgated by the Bureau of Indian Standards (BIS) serve the purpose of standardization of these products without compromising their safety and performance.
The manufacturing of resin-treated compressed wood laminates involves several key steps:
This manufacturing process guarantees compregs with improved mechanical characteristics and dielectric strength for use in a wide range of applications.
The performance requirements for resin-treated compressed wood laminates are outlined in Indian Standard IS 3513 (Part 3):1989. Key performance metrics include:
The detailed procedures for the testing of compregs are prescribed test methods to enhance accuracy in the results obtained. Common methods include:
Standard Test Method for Tensile Properties of Plastics, modified for compregs in order to measure tensile strength.
Test method for using Dielectric Strength of Solid Electrical Insulating Materials Under D.C. Voltage and Dielectric Breakdown Voltage.
Particular methods outlined for determining the performance characteristics of the resin-treated compressed wood laminates.
These tests assist manufacturers to conform to BIS standards before products are sold on the market.
To conduct testing on the Resin treated compressed wood laminates (compregs) – For electrical purposes effectively, laboratories must adhere to specific requirements:
Labeling and markings are fundamental requirements of BIS standards regarding specifications for Resin-treated compressed wood laminates (compregs) – For electrical purposes. Each product must include:
The following are the given documents for BIS Certification:
| General Documents | Technical Documents |
|---|---|
| Business License | Plant Layout |
| Trademark License | List of Manufacturing Equipment |
| Application Form | Manufacturing Process Flow Chart |
| Authorization Letter | Product Literature |
| Laboratory Test Reports | List of testing equipment and machinery |
| MSME certificate | Product’s technical Specification |
| List of calibration certificate |
The BIS certification process for Resin treated compressed wood laminates (compregs) – For electrical purposes involves several steps:
Applications are filled including relevant documents that outline the production processes of the manufacturers.
A BIS officer pays a visit to the manufacturing company in order to assess the levels of compliance with set regulations.
The samples from the production batches are analyzed at the BIS-accredited laboratories.
As a result of the evaluation of these facilities and products, BIS grants permission to the manufacturers to use the ISI mark on their products.
To sustain the standards practice, normal assertions are carried out.
This is a process that the manufacturers need to understand so that they can get an efficient certification process.
Importance of BIS Certification
BIS certification is crucial for several reasons:
Conclusion
Compressed wood laminates which are treated with resin are important to act in key applications across many industries because of the enhanced properties on mechanical respectively on electrical insulation. The introduction of Quality Control Orders through BIS is a step forward as far as it seeks to make these products meet proper safety requirements that are crucial in the protection of consumers as well as in most industries.
Manufacturers also benefit from a robust quality ecosystem in the country and improve their market reputation by following the norms of performance standards set by BIS.
At Professional Utilities, we leverage our industry knowledge and expertise to help businesses navigate complex regulations, minimize risks, and optimize operations for maximum efficiency and profitability.
They are synthetic products made of glued and treated layers of wood and thermosetting resins with the aim of possessing mechanical strength and electrical insulation purposes.
One of the key reasons that businesses seek BIS certification is that they achieve the set safety standards, gain consumer confidence, and easily market their products in the Indian market.
Some of the familiar testing techniques are the tensile test, dielectric test, water absorption test, and thermal shock test.
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