PLASBLAK® PE6249 is designed for use in geomembranes . It has been specifically formulated with carbon black and an antioxidant package to give the good UV weathering performance demanded of this application .
PLASBLAK® PE6249 has good dispersion characteristics and offers good UV protection , long term thermal stability and process stabilisation .
This product is not suitable for use in plastics that come into contact with food .
PLASBLAK® PE6249 is designed for ease of dilution and homogeneous mixing and is therefore suitable for direct addition using automatic dosing units or by pre -blending.
The amount of masterbatch added depends on the performance requirements of the final application. Typical addition rates vary from 5% to 6% masterbatch.
TEST METHOD (*)
45% carbon black
LLDPE, MDPE, HDPE, PP
Density @ 23°C
MFI (190°C / 21.6 kg)
100 g/10 min
CTM E005 (ISO 1133)
Oxidation induction time (OIT) at 200°C
- 5% XP6249C diluted in MDPE resin (eg, TR-131)
> 100 min
CTM E065B (ASTM D3895-97)
(*) Tests are performed according to Cabot Test Methods (CTM) based on international Standards
Quoted test results should not be used for specification purposes but are typical test values intended for guidance only .
PLASBLAK® PE6249 is supplied in regular pellet form packed in 25 kg bags. It should be stored in a dry place . Recommended storage life : up to 1 year provided it is stored as directed.