Flame retardants for polymers
Ecopiren in TPO roofing membranes Ecopiren in PVC wire and cable formulations Ecopiren in halogen-free wire and cable formulations Ecopiren in polyamide compounds Ecopiren as ATH replacement Ecopiren in ACP
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- Component for the production of magnesium productsMain page /Ranges of application / Flame retardants for polymers / Ecopiren in TPO roofing membranes
Ecopiren in TPO roofing membranes
Roofing and waterproofing membranes based on thermoplastic polyolefins (TPO) are modern, high-tech materials used in many areas of construction. Such physical properties of TPO membranes as strength, durability, vapor permeability, resistance to aggressive media and fire safety are provided by the composition.
In particular, the properties of TPO membranes allows to meet the increased requirements for fire resistance. For example, it allows to apply to such facilities as nuclear power plants.
Base polymers are copolymers of polypropylene. As flame retardants are widely used expensive synthetic flame retardants - synthetic aluminum hydroxide (ATH) and magnesium hydroxide (MDH). Russian Mining Chemical Company, LLC has developed a special natural MDH product for this area with stearic acid treatment - Ecopiren® 5,5C.
The use of mineral flame retardants is considered to be difficult because of the presence of impurities such as compounds of iron, copper, manganese and others. This is due to the high requirements for resistance and aging due to UV radiation and high temperature. However, Ecopiren® 5,5C is made from specially selected brucite ore of high purity. Due to the use of new separation technologies, it is possible to significantly reduce the content of impurities in comparison with similar mineral products.
Our company conducted research on testing various fillers in TPO roof membranes. Below is the basic formula and comparative characteristics. Aging tests were conducted at 140 ° C.
Ingredient Dosage, % by mass Polymers and additives PP copolymer 56
46 56 46 56 46 56 46 56 46 Complex Stabilizer masterbatch 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 Color masterbatch (gray) 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Flame Retardant Fillers Ecopiren 5,5 40
50 Ecopiren 5,5C 40 50
Brucite with high Fe2O3 content 40 50
Synthetic MDH 40 50
Synthetic ATH 40 50 Properties Tensile strength, MPa 11,7 9,4 12,2 10,3 11,0 8,8 11,6 10,6 12,6 10,0 Elongation at break, % 602 514 581 559 513 509 597 530 525 509 Oxidation induction time (OIT), min 57 44 148 134 85 81 78 68 147 126 Weeks till Elongation drop is 50% 4 2 9 6 7 4 7 4 7 7 Weeks till OIT drop is 100% 5 4 >9 >9 7 6 7 6 >9 >9
Solutions for this field
The most demanded products of RMCC and Europiren in this field are:
Contact us, our experts will provide you with advice on the use of the productEcopiren®
+7 495 789 65 30 email@example.com
Ecopiren — effective mineral flame retardant and smoke absorber for polymer composites based on magnesium hydroxide crushed
AktiMax — new environmentally friendly magnesium fertilizer for all crops as basic fertilizer and meliorant
AgroMag — conditioning additive (anti-caking agent) for use in the manufacture of ammonium nitrate and NPK
MagTreat — solution for water treatment and flue gas desulphurization
FluMag — highly efficient metallurgical magnesia based flux brucite Kuldur deposit
MagPro — used as a reagent for the vulcanization of rubber in the manufacture of rubber products
BleachMag — highly efficient new generation product for the production of cellulose and semi-high output
MagAdd — ideal raw material for the production of a wide range of magnesium compounds and products based on the best varieties of brucite
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- Metallurgical flux