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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
Metallurgical flux
Flux for steelmaking in converter Flux for steelmaking in Electric arc furnace
Ecology
Wastewater treatment Flue gas desulfurization
Technical rubber products
Exhaust gas cleaning on ships
Magnesium hydroxide in the pulp and paper industry
Chemical pulping Reagent for pulp bleaching Mechanical pulp bleaching
Anti-caking agent for mineral fertilizers
Anti-caking agent for ammonium nitrate Anti-caking agent for complex fertilizers
Fertilizers
AgroMag� Granular AgroMag� Aktimax
Animal Feed
Magnesium additive in feed for cattle Magnesium additive in feed for pigs
Component for the production of magnesium products
Vanadium Magnesium sulfate Magnesium phosphate Magnesium nitrate Magnesium stearate Magnesium carbonate and magnesium hydroxide

All products meet the requirements of the international ISO standards and thoroughly tested

Main 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.

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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
Ecopiren 5,5		50
Ecopiren 5,5C			40
Ecopiren 5,5C				50
Brucite with high� Fe2O3 content					40	波野结衣在线视频全部波野结衣在线视频全部,不卡的理论片带中文不卡的理论片带中文,保健品女人器具去哪买保健品女人器具去哪买
Brucite with high� Fe2O3 content						50
Synthetic MDH							40
Synthetic MDH								50
Synthetic ATH									40
Synthetic ATH									波野结衣在线视频全部波野结衣在线视频全部,不卡的理论片带中文不卡的理论片带中文,保健品女人器具去哪买保健品女人器具去哪买	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