Blow Point Tester

  • When a rubber-laden composite material is vulcanized under pressure, bubbles are generated within the material due to insufficient vulcanization in the final phase of the process. The blow point stands for the minimum vulcanization level required for eliminating the existence of these bubbles. To make a product with no bubbles in a shorter time of vulcanization, it is very important to measure the blow point. The blow point may change according to the composition, mixing method, temperature conditions, etc. of the rubber-laden materials. Therefore, it is necessary to make measurements very frequently during quality control of vulcanized rubber, research and development of rubber composites, and other operations.   
  •                                                     Features
  1. An auto run can be made simply from a data processor.
  2. On completion of vulcanization, the blow point can be obtained simply by cutting the molded material, measure the bubble positions, and entering the measured values into the data processor.
  3. Molds of three kinds of thicknesses allow you to make a blow point measurement most suitable for your needs.

Specifications

 

 

 

  Heating plate  Mold  Mold clamping force  Temperature distribution  Temperature range 
of testing 
(ambient temperature) 
Thermocouple for
measurement 
  W200 x D350 x t40mm

Material: S50C hard chrome plating
Selected from following 4 types (1 piece of mold is included as standard
accessory)

(1) 10mm type  Inside dimensions: W55 x L140 x H6~10mm tapered (Standard) 
(2) 20mm type  Inside dimensions: W55 x L140 x H6~20mm tapered
(3) 30mm type  Inside dimensions: W55 x L140 x H6~30mm tapered

50kN ± 10% (@0.6 Mpa) 190°C ± 1°C (on the mold surface) Ambient temperature + 30°C ~ 200°C  CC thermocouple, N-42169 sheath outer diameter of 1.2mm, four locations 

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  • Plot No. 646, Ayyappa Society, Madhapur, Hyderabad

  • info@samsact.com

  • 040 - 4466 1212