Wednesday, September 12, 2012

MOISTURE % TESTING IN RAW MATERIAL:


MOISTURE % TESTING IN RAW MATERIAL:
PROCEDURES:
STEP 1: TAKE TUFTS OF FIBRES AND OPEN IT BY MEANS OF HAND
STEP 2: TAKE 200 GMS OF OPENED FIBRES BY MEANS OF A SENSITIVE ELECTRONIC BALANCE
STEP 3: PUT THE 200 GMS OF OPENED FIBRES ON A CONDITIONING CABINET AT ABOUT 150 DEG CENTRIGRADE FOR ONE HOUR
STEP 4: TAKE OUT THE CONDITIONED FIBRE AND WEIGH IT ON THE SENSITIVE BALANCE QUICKLY

FORMULA:
WEIGHT OF OPENED FIBRES BEFORE CONDITIONING = W1 GM
WEIGHT OF OPENED FIBRES AFTER CONDITIONING = W2 GM
MOISTURE REGAIN % = (WI – W2) X100
                                             W2