Building materials

Artificial ageing / weathering of materials and products by exposure to (a combination of) elevated temperature, moisture and radiation (UV, xenon).

Kiwa can help you with quality controls and validations, maintenance inspections, investigations of residual service life, specific tests and consultancy in the field of composite wall panels.

When things go wrong, one needs a quick and reliable answer to a series of questions. For this experts are needed who have experience in a broad range of products and applications. Often a certain failure has occurred earlier in a total different application.

The products according BRL 5605 are applicable for piping systems in underfloor heating systems at a design (working) overpressure of 6 bar according the temperature profile class 5 in table 1. Tabel 1 – Temperature profile during 50 years &nbs...

Certification of vulcanised rubber products for drinking water applications (BRL K17504)

Plastic piping systems of PE-RT/Al for hot and cold drinking water

The plumbing fittings are being used to make capillary soldering and/or thread connections, in tap water installations, household gas installations and in heating installations. The plumbing fittings are intended for use in combination with copper...

Kiwa Expert Centre Polymers is your partner for independent testing, certification and quality related services regarding plastics in pipes and fittings for heating systems.

The recommended limits for correct operation are a dynamic pressure between 100 kPa and 500 kPa and a watertemperature of maximum 65°C. The flexible connecting hoses are intended for application in drinking water installations with a static waterp...

The products are intended to be applied in The products are intended to be used as/in in hot water installations with a working pressure of maximum.1 MPa (10 bar) and a water temperature of maximum 90 °C. Remark: The technical specifications to be...

Plastics and rubbers are widely used in industrial applications; as piping systems for chemicals, transport hoses, conveyor belts, tanks, membranes and a large number of other products. All these products need to be suitable for their application and that you have to be sure that you can rely on it well functioning.

Plastic pipe materials have already been proven to be safe and reliable in gas distribution for many decades. For plastic gas pipes and fittings, PE (polyethylene) is worldwide the most well known material.

The products are intended to be applied in drinking water installations for the transport and distribution of hot and cold water.

The Kiwa Expert Centre Polymers can help you with quality controls and validations, certification, maintance inspections, investigations of residual service life , specific tests and consultancy in the field of membranes and liners.

The use of reinforced plastic products has been growing steadily, especially in automotive and aerospace applications as well as in piping systems. This is largely due to the materials’ recyclability and ability to be processed rapidly and it's strength. Kiwa Expert Centre Polymers serves many industries in this field.

Self-regulatory Safety Check. Objects of Declaration of Conformity are classified of 3 groups with hazardous machines, protective devices and personal protective equipment.

As well as safety markings (such as CE or UL approvals), Kiwa can offer several Quality Marks; offering you an extra way to differentiate your products from the others. Some of the quality marks also offer an interesting (tax or refund) benefit for your customers as an extra sales argument for your products.

The Kiwa Covenant is a certificate for innovative products and services.

The float operated valves are intended to be applied in flushing cisterns which are connected to WC-pans. They have the purpose to open when the cistern is being flushed and shut off the water supply when the required water level is reached.The fl...

Tubes and hoses | Testing and certification