White Papers & Brochures

  • FAQs: Lusin® Product Portfolio

    Learn more about our Lusin® portfolio of mold maintenance products and get answers to frequently asked question.

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  • FAQs: Lubricants

    Looking for answers about lubricants for thermoplastics processing applications? Learn more about frequently asked questions and the answers you... Read More »

  • FAQs: Cleaners and Degreasers

    Learn more about mold cleaners, surface cleaners and degreasers for thermoplastics applications and get answers to frequently asked questions.

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  • Purging Compound Products

    Lusin® has been a leader in the thermoplastics industry for more than 60 years. Learn more about how to optimize your thermoplastic processing... Read More »

News and Event

  • Chinaplas 2013

    With over 50 years of industry-leading experience, Chem-Trend has a history of delivering the highest-quality products and service. Visit us at... Read More »


  • What are the respective advantages and disadvantages of the different types of purging compounds?

    Abrasive purging compounds can be economical to utilize, and are efficient for certain situations but they can damage worm and cylinders. As... Read More »

  • Can purge compounds be reground and added to the plastic part as recycle content?

    The addition of purge compound into the regrind stream for part production is not recommended as it will affect the physical properties of the... Read More »

  • Can purge compounds be reground and reused for future purging?

    A purge compound that is contaminated with color, black specks or dissimilar materials has already been saturated or partially saturated with... Read More »

  • How do you remove material prone to thermal cracking and encrustation from equipment?

    Some polymers tend to produce more thermal cracking products and encrustations than others. Special purging compounds have been developed for... Read More »

  • Can purging compounds be used in hot runner systems?

    Not all purging compounds are safe for use in hot runner systems; however there are some purging compounds which have been developed to be hot... Read More »