Try:
ASTM C297 - Tensile strength of flat sandwich construction in flatwise plane,
ASTM C393 - Flexure test of flat sandwich construction,
ASTM D635 - Burning,
ASTM D1781 - Climbinmg drum peel test for adhesion,
ASTM D3418 - Glass transition by DSC + ASTM E1356 - Assignment of Tg, or ASTM E1545 - Tg by TMA