RT-722D Pumpability Capillary Rheometer

Category 2. Plastic Testing Machine

Additional information

RIGHT combines the U.S. standard ASTM D1092 and domestic capillary rheometer for integrated and innovative instrumentation, which greatly improves the overall performance of shield tail sealing grease and provides effective testing equipment for further product development. Under the specified conditions, the flow rate of grease through a certain aperture capillary tube, expressed in g/min. Accurate equipment than the butter gun only qualitative and not quantitative. Provides an effective solution to compare the pumpability difference of different brands of grease and monitor the stability of different batches of products in our factory. Provide theoretical support to change the formula for different seasons in different regions.

Product Details：

Scope Of Application

The Shield Tail Seal Grease Pumpability Capillary Rheometer is used to test the pumpability of shield tail seal grease for construction shield machines.
As a kind of sealing material injected into the wire brushes of the tunnel shield machine for underground engineering shield construction, shield tail sealing grease mainly plays the roles of lubrication, sealing and waterproofing. It is injected into the inter-hole gap of the wire brush by pressure, which enhances the sealing performance of the wire brush. Therefore, the pumpability and adhesion of grease are very important indicators.

Technical Parameters

Temperature range:	20-50℃±1℃
Temperature rise rate:	1-5 ℃ / min, continuously adjustable
Temperature display accuracy:	0.1℃
Pressure range:	0.5-5Mpa
Driving force:	5KN
Pressure measurement accuracy:	±0.5%FS
Pressure resolution:	0.05Mpa
Load force resolution:	0.1N
Displacement measurement range:	<250mm
Displacement measurement resolution:	0.06mm
Loading speed setting:	0.01-500mm/min
The mouth mold specifications:	Ø 3.8 (mm), 2PCS
Mouth mold roughness:	Ra0.4
Plug diameter：	φ44.83 mm
Machine size & weight:	630×400×1900mm, 300kg

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