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home products Insulating &Amp; Exothermic Sleeves For Foundry

Insulating &Amp; Exothermic Sleeves For Foundry

Product Details:

Brand MELTEX
Place of Origin Maharashtra India
Keywords Refractory, Insulating &Amp; Exothermic Sleeves For Foundry, MELTEX, AJAY METACHEM SUD-CHEMIE PVT. LTD.,PUNE, India
Category Minerals & Metallurgy > Refractory 
Payment Terms
Group

Detailed Product Description


 

MELTEX Sleeves

Introduction : -

 MELTEX is a range of exothermic and insulating sleeves. Meltex sleeves are used to ensure proper feeding of the castings while reducing the size of the sand riser.                                                                   

Available Grades Of MELTEX Sleeves :-

MELTEX Grade

M. E. F.

Nature

Feeding Efficiency

Metal

140

1.2

Insulating

18 to 20 %

S.G. Iron,C.I.

1400

1.4

Mild Exothermic

23 to 24 %

Steel , Non Ferrous Alloys

1600

1.6

Exothermic

25 to 27 %

Steel, S.G. Iron , Non Ferrous Alloys

Notes :-

1)       Feeding efficiency :- This is an approximate indicator and should be interpreted as the approximate size by which the sleeve will be smaller than an equivalent sand riser.

2)       M. E. F. :- Known as Modulus Extension Factor. It is defined as ,

                   

                    Solidification Time for Riser with Sleeve

M. E. F. = ---------------------------------------------------------------------------                         

                        Solidification Time for Sand Riser

Advantages :

1)       Casting rejection due to shrinkage defects is minimized.

2)       Size of sand riser is reduced and hence yield of casting is improved.

3)       Special designs such as tapered sleeves or sleeves with Breaker cores

          reduces fettling costs.

Benefits :                                                                                                                                          

·         As compared to sand feeders ( having 10 to 15 % feeding efficiency ),

          MELTEX    Sleeves    ( having 27 % feeding efficiency ) substantially improves the yield.

.          Easy knocking-off of the feeder, reduces the fettling cost.

·          Shrinkage defect associated with sand feeder is eliminated with the use of

          MELTEX Sleeves. Thus sound castings are ensured consistently by use of

           MELTEX Sleeves.



Insulating &Amp; Exothermic Sleeves For Foundry

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