Home page

Phenolic resin foam material for coal mine filling and confinement YK-203

Product Classification:

Coal Mine Filling And Sealing Series Products

Key words:

Phenolic resin foam material for coal mine filling and confinemen

Product inquiry

Detailed introduction

Product overview

Phenolic resin foam material YK-203 for coal mine filling and sealing is composed of A component and B component, A component is reddish-brown liquid, which is an organic polymer mixture, and the main component of the material is phenolic resin; Component B is a tan liquid with an acid mixture, and the main component of the material is organic acids such as phenol sulfonic acid. The consolidated body generated after mixing and curing of A component and B component according to the volume ratio of 4:1, 2:1, 3:1 and 1:1 has high mechanical properties, which is suitable for filling and crushing the roof plate (coal) to prevent the accumulation of roof gas, prevent the internal and external air exchange, prevent the fire of the crushed top coal, build firewalls and closed walls, and prevent harmful gases from gushing; Fill the gaps, abandon the old valley, and slip the coal hole to prevent wind leakage and ignition, prevent the gas gushing out of the goaf area, and prevent the oxidation and spontaneous combustion of the coal left in the goaf.

Product features

1 Instant foaming, low foaming temperature, large expansion coefficient, small filling amount.

2. The foam body has stable and durable properties, has good flexibility, and can withstand certain formation movements.

3 It has high flame retardant performance.

Scope of application

1. Fill the voids in the broken coal seam or rock formation, the pores in the tunnel cavern, etc.

2. Seal the coal seam goaf area and abandoned roadway to prevent air leakage, filling the working face or roadway holes, and prevent gas accumulation.

Performance indicators (laboratory data, subject to pressure and temperature in practical applications)

Items		Indicators
		Component A	Component B
Slurry properties	Appearance	Reddish-brown homogeneous liquid	Tan, homogeneous liquid
	Viscosity (mPa·s)	500～1500	50～500
	Flash point(°C)	＞100	＞100
	Specific gravity(kg/m3)	1150±100	1450±100
Reactive properties	Proportion of use (volume ratio)	Component A: Component B = 1:1, 2:1, 3:1, 4:1
	Maximum reaction temperature(°C)	＜95
	Curing time(s)	15-60s
	Foaming multiple, times	1:1≥10，2:1≥15，4:1≥20
	Flame retardant	Non-combustible
	Compressive strain resistance 10%, kPa	≥10

Packaged shipment

Production equipment

Quality inspection