Mineral fillers like aluminum trihydrate (ATH) and magnesium hydroxide (MDH) are often used in LSZH (low smoke zero halogen) formulations to provide flame retardant (FR) properties in products for a variety of end use applications. In many of these applications, Ecopiren® is the best choice.
For example, Ecopiren® is used as flame retardant in compositions of cable sheaths or wire insulation and bedding.
Ecopiren® is a white powder of magnesium hydroxide which is used in compositions with other components such as polymers, coupling agents, lubricants, colorants and stabilizers.
Ecopiren® advantages over ATH
Magnesium Hydroxide has higher decomposition temperature and greater heat absorption:
Product
Decomposition Temperature
Energy of Decomposition
Aluminum Trihydrate, Al(HO)3
180°C
1100 J/g
Magnesium Hydroxide, Mg(OH)2
330°C
1250 J/g
Higher energy of decomposition causes a more intense cooling of composition or polymeric base under conditions of pyrolysis or burning. High decomposition temperature also means that in compositions with Ecopiren® higher processing temperatures can be used comparing to compositions with ATH. This is a great advantage and could mean saving of manufacturing costs for cable manufacturers.
Evaluation of characteristics of Ecopiren® and ATH
Below is a simple study showing LOI (Oxygen Index) flammability and cone calorimeter PHRR (peak heat release rate) test results on Ecopiren® and ATH. In this study, ATH and Ecopiren® were each evaluated separately in the same formulation. Two formulations incorporating blends of ATH and Ecopiren® were also evaluated. For more information please contact ourtechnical product team via web-form or by phone.
Components
Ecopiren®
ATH
Blend 1:1
Blend 3:1
EVA, (19%)
27.6
27.6
27.6
27.6
LLDPE
8
8
8
8
Malinic angidrate couplinc agent
4
4
4
4
Antioxidante
0.4
0.4
0.4
0.4
Ecopiren® 3.5Ñ
60
-
30
44
ATH
-
60
30
16
LOI (% Î2)
33
33
33
33
Temperature index
219
257
201
186
Solutions for this field
The most demanded products of RMCC and Europiren in this field are:
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