Silica for rubber industry

The company mainly uses the precipitation method to prepare silicon dioxide.

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Silicon dioxide

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　　During the reporting period, the company mainly used the precipitation method to prepare silica. The silica produced by the company is divided into rubber silica and non-rubber silica. Rubber silica is divided into general-purpose silica and highly dispersed silica. Highly dispersed silica is the silica used in "green tires", which can effectively reduce rolling resistance, save fuel consumption, reduce pollution, improve wet skid resistance, reduce tire noise, and improve vehicle safety performance.
　　The rubber industrial silica currently produced by the company mainly includes 3 series of 17 models of products. The categories and uses are listed below:

Category	Model	Application characteristics	Main uses
General-purpose silica	LK925	Rubber and plastic reinforcing agent	PE 、 PP 、 PVC 、 CPE and other rubber and plastic industries
	LK955-1	High reinforcement, high wear resistance, good elasticity	Shoe material industry
	LK955-2	Strong insulation	Cable sheath
	LK975	High reinforcement, high wear resistance	All-steel radial tire industry (all-steel tires, truck tires)
	LK975MP	Environmentally friendly, high reinforcement, high wear resistance
	LK975GR	Environmentally friendly, high reinforcement, high wear resistance
	LK955GXJ	Strong weather resistance, strong aging resistance	Silicone rubber industry
	LK958GXJ	Ultra-high transparency	Silicone rubber industry
Highly dispersed silica	LKHD115MP	High wet skid resistance	Passenger car snow tires
	LKHD165MP	High reinforcement	Green tires (semi-steel radial)
	LKHD200MP		High-performance tires (off-road, SUV ）
	LKHD115GR		) Exported snow tires and other winter tires
	LKHD165GR		Exported green tires
	LKHD200GR		Exported high-performance tires
	LKHD5000GR	Environmentally friendly, high dispersibility, high reinforcement, high wet skid resistance	High-performance passenger car tire industry
	LKHD7000GR	Environmentally friendly, high dispersibility, high reinforcement
	LKHD9000GR	Environmentally friendly, high dispersibility, high reinforcement, good elasticity