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High Modulus Additive Instructions

High modulus additives are modified additives made from polyethylene, polypropylene, maleic anhydride, rubber, anti-aging agents, antioxidants, dispersants, etc., through a specific process to form uniform particles.

It can improve the modulus parameters in structural calculations, reduce the thickness of the asphalt layer, meet structural calculation requirements, and possesses key performance indicators such as fatigue resistance, high and low temperature stability, and rutting resistance of asphalt mixtures. It significantly helps to reduce rutting damage in asphalt pavements. The high modulus additives produced by our company meet all the requirements of Part 8 of JT/T860.8-2017, Modifying Additives for Asphalt Mixtures.

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Product Characteristics

High modulus additives are commonly used in the middle and lower layers and the base layer, especially in the base layer of flexible asphalt pavement structures. For flexible pavement structures with relatively insufficient load-bearing capacity, this additive aims to improve the modulus parameters of the asphalt mixture to reduce pavement thickness and lower project costs.

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Product Specifications

The technical requirements for the added high modulus agents are shown in the table below.

Test Items	Unit	Technical Requirements
Appearance	-	Granular (non-powder), uniform and plump
Particle Size	mm	≤4.75
Density	g/cm3	1.0-1.2
Ash Content	%	≤1
Melting Point	℃	110-140
Melting Index	(125℃，2.16kg)/(g/10min)	≥20
Solubility	%	≥98
Similarity (Infrared Spectroscopy)	%	≥98

Detailed description

Addition Method and Dosage: The recommended dosage of the high modulus agent is 1% of the mineral mass. Actual application should be based on mix design tests.

Product Packaging and Storage: This product is packaged in 25kg kraft paper bags or ton bags. Custom packaging is available upon request. During transportation and storage, keep away from fire sources, ensure ventilation and dryness, and protect from sunlight and rain. The product has a shelf life of 36 months.

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The company's Bitumen High Viscosity Additive, Bitumen Anti-stripping Agent, Bitumen Anti-stripping Agent, Bitumen Warm Mixing Agent and other products are at the leading level in the industry regardless of technology and production capacity. Our company invests part of its efforts in product research and development every year...

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