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Exolit® OP 1240 Terra

Phosphinate flame retardant for polyester injection moulding applications

Änderungsdatum :
September 30, 2022

Exolit OP 1240 Terra is a flame retardant based on an organic aluminum phosphinate which is a thermally stable white solid without any hazard classification or labeling. It can be easily compounded into polyesters and subsequently processed again to manufacture flame retarded parts used in consumer or industrial products. The product is non-hygroscopic and it is insoluble in water and organic solvents.

Exolit OP 1240 Terra is chemicially and from its composition equivalent to Exolit OP 1240 but comes with a mass balance certificate as for its production, renewable based Ethylene was sourced.

Therefore, we assume that for Exolit OP Terra products no additional performance testing and qualification compared to the standard grade are necessary. 

For more details see our Innovation Spotlight video.  

Benefits

  • Non-hygroscopic, insoluble in water and organic solvents
  • High efficiency due to its high phosphorus content
  • UL 94 V-0 rating down to 0.4 mm thickness
  • Suitable for both glass fibre reinforced and unreinforced grades
  • The flame retarded polyester compounds exhibit good physical and excellent electrical properties
  • Good colorability
  • Versatile use with synergists
    ·  Non-halogenated flame retardant with favorable environmental and health profile
    ·  100 % of carbon content are by mass balance certificate from renewable resources
  • Renewable resources are non-food competing
  • Usage of renewable raw material is certified by supplier following the mass balance principle

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Exolit® OP 1240 Terra

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Specifications

Characteristics  UnitTarget ValueDS¹)  TD²)  Test Method 
Phosphorus  %(w/w)23.3 - 24.0  

Photometry after oxidizing dissolution; (11/17) or wavelength dispersive X-ray fluorescence spectrometry; (11/23)  
Water / Moisture  %(w/w)max. 0.2  

Thermogravimetry; (11/03)  
Density  g/cm³1.35  

at 20° C  
Bulk Density  kg/m³    400 - 600  

 
Decomposition Temperature  °C  > 300  

(TGA 2% weight loss)  
Average Particle Size (D50)  µm    25 - 50  

 
¹) Delivery specification: The product is monitored on a regular basis to ensure that it adheres to the specified values. Test methods: Clariant method numbers 11/xx in brackets.
²) Technical data: The technical data are used solely to describe the product and are not subject to regular monitoring.  

Applications

Exolit OP 1240 Terra is a flame retardant for thermoplastics and thermosets. Due to its high phosphorus content the product is distinguished by a high efficiency.

Exolit OP 1240 Terra was developed especially for the use in polyesters. It is suitable for both glass fibre reinforced and unreinforced grades. The flame retarded polyester compounds exhibit very good physical and electrical properties.

In PBT, a dosage of 20 % (by wt.) Exolit OP 1240 Terra is usually sufficient to obtain the UL 94 V-0 classification for electrical components (at 1.6 down to 0.4 mm thicknesses). In PET, less than 15 % are required to pass UL 94 V-0. Synergistic effects are known with other flame retardants like melamine polyphosphate and or melamine cyanurate.

Subject to the polymer grade, processing conditions and glass fibre reinforcement the dosage of the flame retardant may vary.

Packaging and Handling

Delivery form

White powder

Packaging
Exolit OP 1240 Terra  is delivered in 20 kg paper bags with PE inliner.

Storage
For regulatory details such as the classification and labelling as dangerous substances or goods please refer to our corresponding Material Safety Data Sheet. The product should be stored in tightly closed packaging in a dry place at room temperature.
Minimum shelf life is 12 months from the date of shipping when stored according to the said conditions.     

EcoTain®

Products that offer outstanding sustainability advantages are awarded Clariant’s EcoTain® label. EcoTain® products significantly exceed sustainability market standards, have best-in-class performance and contribute overall to sustainability efforts of the company and our customers. Find out more about: EcoTain®.