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Low rolling resistance silica/natural rubber wet master rubber

HR-M300B wet master rubber is a high-grade nano-rubber composite material for rubber products and tires and other industries.

Model:

HR-M300B

Classification:

Low Rolling Resistance Silica/Natural Rubber Wet Masterbatch HR-M300B

Key words:

Low rolling resistance silica/natural rubber wet master rubber

　　Product Introduction

HR-M300B wet master rubber is a high-grade nano-rubber composite material for rubber products and tires and other industries. This product is a pre-dispersed rubber matrix material made of a proper amount of modified white carbon black and natural latex by wet premixing. The standard ash content can be adjusted between 30% and 33%, and it is white or light yellow rubber particles or rubber blocks at room temperature.

　　Product characteristics

Compared with the traditional natural rubber compound, the main advantages of HR-M300B wet master rubber are: silica is evenly dispersed in the rubber matrix, high filling amount, low filler loss rate and high storage stability, which can significantly improve the comprehensive performance of rubber (compared with high strength HR-M100B master rubber, its low rolling resistance and low heat generation performance are particularly outstanding).

　　Application Scenarios

The products are mainly used in truck and bus tires, road tires, high-performance passenger car tires and other fields.

　　Packaging and storage

The HR-M300B master glue of the product is packaged in two layers (the inner bag is made of PE film with a melting point of less than 115 ℃, and the outer bag is a sealed woven bag), or PE film vacuum compression packaging. The net weight of the product is 20±0.1 kg/bag. If you have other special requirements for product packaging, please contact us. Handling procedure: light loading and light unloading, to prevent damage. Storage requirements: Store in dry area. It should be stored separately from easily (combustible) materials and acids, and mixed storage is not allowed. Avoid direct sunlight, waterproof and moisture-proof. If this substance is placed in a flammable solvent, use a suitable ground to avoid an electrical fire. Surface modification of the product caused by calcination or mixing with other additives may alter the toxicological properties. Therefore, we recommend that the product be used within 12 months of production.

Table 1 Silica/natural rubber wet mixing master rubberHR-M300BTechnical indicators

(Suggestion: curing temperature and time 150 ℃,15min or T90 5min)

Serial Number	Project	Unit	HR-M300B	Inspection method
1	Appearance	/	visual inspection	White or light yellow glue block
2	300% constant elongation stress	MPa	＞6	GB/T528-2009
3	Tensile strength (150^oC)	MPa	＞15	GB/T528-2009
4	Elongation at break	%	＞500	GB/T528-2009
5	Tear strength (150^oC)	KNm^-1	＞70	GB/T528-2009
6	Shore A hardness (25min)	Degree	50-65	GB/T531.1-2008
7	Volatile (105^oC)	%	≤ 1.5	GB/T24131-2009
8	Ash (950^oC)	%	30-33	GB/T4498.1-2013
9	Mooney viscosity MS(1 8)120 ℃	N · s/m²	95-115	GB/T 1232.1-2016

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