... to 20 countries CCC,meet EN/ASTM/BS Tinted low-e hollow glassHollow glass is made of two or more ... glass, tinted glass, color glazed glass, coated glass, Low-e glass, laminated glass and tempered glass can be composed into ... ASTM E546 standards 3. Triple layer and double silver low-e HOLLOW glass, U value lowered to 0.8 4. ... between two pieces, strengthened by steel strips tinted low-e hollow glass