Introduction

JBF water-swelling rubber is widely used in various sealing works: deformation crack and construction gap; waterproof sealing for pipelines; joints of shield reinforced concrete; water-proof sealing gasket; interfacing for pipe jacking engineering; joint sealing of underground pipelines; sealing for water conservancy, hydropower and waterway civil engineering, etc.

Features

◆ Reliable waterstop performance: Once in contact with water, the rubber swells quickly to stop water completely.
◆ Safety of Construction: Due to elasticity and resilience, it adapts to the structure deformation easily.
◆ Wide applicability: It can be used in any weather condition and various concrete structures.
◆ Environment friendly: It is chemical resistant, durable, non-hazardous, and pollution-free.
Construction Notes
   Before concreting, the rubber should be protected from rain and any wet object. The construction surface should be kept dry, clean and smooth before construction, to make sure the rubber and the concrete contact with each other effectively.

Specs of JBF water stop (GB)/T18173.3-2002

Item No.	Testing item		Technical data
			PZ-150	PZ-250		PZ-400		PZ-600
1	Hardness（Shore A, degree）                               ≥		42±7		45±7		48±7
2	Tensile strength（Mpa）                                   ≥		3.5			3
3	Tensile failure enlongation (%)                               ≥		450			350
4	Swelling rate（%）                                        ≥		150	250		400		600
5	Repeated water immersion test	Tensile strength（Mpa）      ≥	3			2
		Tensile failure enlongation（%）≥	350			250
		Swelling rate（%）          ≥	150	250		300		600
6	Low temperature bending （-20℃×h）		No crack