WTH Walter Thieme Handel GmbH • Beguinenstr.13 • 21682 Stade
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Crosslinked CPE
Crosslinked chlorinated polyethylene (CPE) is produced by crosslinking chlorinated polyethylene, a thermoplastic material formed by chlorinating low-density polyethylene (HDPE). The crosslinking of CPE can be achieved through chemical or radiation-induced processes.
(mud) – Where trading is taking place, price increases are the order of the day in these times. Even the quotations for the most important flame retardants for plastics are currently “through the roof”.
Chlorinated Polyethylene (CPE) in PVC
Chlorinated Polyethylene (CPE) is an important additive for the production of Polyvinyl Chloride (PVC). It is used as an impact modifier and can improve the mechanical properties of the end product. Here, we will examine the properties of CPE as an impact modifier in PVC, its advantages, and limitations.
Combination of Primary and Secondary Antioxidants
Plastics and elastomers play a crucial role in various industries, including automotive, electronics, construction, and packaging. However, a significant drawback of these materials is their susceptibility to degradation through various forms of oxidation, leading to a deterioration of their mechanical properties. To minimize this drawback, a combination of primary, secondary, and antioxidants is often used.
 In the chemical industry, quality and environmental management play a crucial role in acting environmentally consciously while meeting customer requirements. The established instruments for this are the standards DIN EN ISO 9001 for quality management and DIN EN ISO 14001 for environmental management. Especially for WTH GmbH, which deals with chemical raw materials, these standards are essential to ensure efficient and sustainable operations.
Talc as a Functional Mineral
WTH/JBO – Talc offers value in many industrial applications not only as a filler but also as a functional mineral, depending on its origin and purity. This value extends to industries such as paper production, paint and putty manufacturing, plastics, rubber, ceramics, food, pharmaceuticals, and cosmetics. Talc can be found in products like automotive parts (bumpers, dashboards, plastic engine components), construction and plastic materials (e.g., window profiles, WPC), household appliances, plastic pipes, food packaging (e.g., margarine tubs), and technical rubber articles (e.g., hoses). Here, we delve into its properties, advantages, and disadvantages.
KUTENO: Networking
(mud) – A WTH trade fair team is already preparing for its deployment in North Rhine-Westphalia. The crew is planning a trip to Rheda-Wiedenbrück, where they will participate in the regional trade fair KUTENO from May 14th to 16th. It is the first time that WTH GmbH is attending this event.
Why Antioxidants?
Plastics and elastomers are essential materials in various industries, such as the automotive, electrical and electronics, and packaging industries. To ensure their quality and durability, primary and secondary antioxidants are frequently added to these materials. Here, the different mechanisms of action of primary and secondary antioxidants, as well as their combinations in plastics and elastomers, are explained.
(mud) – The trade fair experts of the WTH staff are already diligently preparing for the trade fair year 2024. As “old hands,” they know that comprehensive and, above all, timely preparation is the “alpha and omega” of success. WTH CEO Gero Thieme: “The team is shouldering three major appearances this year – including a brand-new contender for us in North Rhine-Westphalia”.
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