pmb 50/90-55

CHARACTERISTIC	50/90-55	TEST METHOD
Penetration at 25°C, 0.1mm, 100g, 5s	50 – 90	IS 15462-2004
Softening Point (R&B) °C, Min	55	IS 15462-2004
Fraass breaking point, °C, Max	-10	IS 15462-2004
Flash Point, COC, °C, Mina	220	IS 15462-2004
Elastic recovery of half thread in ductilometer at 15°C, % Min	30	IS 15462-2004
Separation, difference in softning point, R&B, °C, Max	3	IS 15462-2004
Viscosity at 150°C, Poise	3 to 9	IS 15462-2004
Thin Film Oven Tests and Test on Residue
(a) Loss in mass, % Max.	1.0	IS 15462-2004
(b) Increasing in Softning Point, °C, Max	5	IS 15462-2004
(c) Reduction in penetration of residue at 25°C, % Max	35	IS 15462-2004
(d) Elastic recovery of half thread in ductilometer at 25°C, % Min	35	IS 15462-2004