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Testing Img

IGC, Preformed Fillers & Refractories

The existing test facility of BTH was also added with the scope to test Papers and Allied products as well as the test facility to cover the requirement for Inter-Granular Corrosion(IGC) Test, Pre-fillers for Expansion Joints to meet the requirement of specific institutions/customers who needed the test facility services to fulfill their requirement for lab analysis/verification as per the laid down national & international standards.

S.No.  Tests Parameters Related Standards
01 Practice “A” ASTM-A-262-1993
02 Practice “B” – Ferric Sulphate Sulphuric acid test for 120 hr boiling ASTM-A-262-1993
03 Practice “C” – Nitrate Acid Test 3 periods of 48 hrs boiling to 5 periods of 48 hrs. ASTM-A-262-1993
04 Practice “D” – Copper-Copper Sulphate 16% Sulphuric acid test for 24 hrs. boiling ASTM-A-262-1993
05 Practice “E” – Copper – Copper sulphate 50% Sulphuric acid test for 120 hrs. ASTM-A-262-1993
Preformed fillers  
01 Bitumen Content IS 10566 / IS 1828
02 Water Absorption IS 10566 / IS 1828
03 Compression IS 10566 / IS 1828
04 Density IS 10566 / IS 1828
05 Recovery IS 10566 / IS 1828
06 Resistance to Handling IS 10566 / IS 1828
Refractories  
01 Qualitative Tests IS 1527; ASTM-3.05; IS 1917 & IS 1987