... shape;5. There is enough strength, can withstand the stress; 6 .And bonded joint base stability, not stripping and degumming; ... landowners not excessive softening under high temperature, low temperature embrittlement; 8.Not pulverization, cracks, dissolve or excessive contraction, have enough ... cool, well-ventilated place (under 25°C). Storage life is 6 months (25°C)3. Avoid falling, upending, sun and ...