Table 1: Extractable proteins of dry rubbers and dry rubber products and allergic response elicited in latex hypersensitive persons

NR dry rubber	EP, mg/g	Allergic Response by skin-prick test. %
NR dry rubber	EP, mg/g	-ve	2+	3+/4+
SMR CV / raw	<0.020	100	0	0
SMR CV / compound mix	<0.020	100	0	0
SMR CV / vulcanizate	<0.020	100	0	0
SMR L / raw	<0.020	90	10	0
SMR L / compound mix	<0.020	100	0	0
SMR L / vulcanizate	0.022	100	0	0
SMR 10 / vulcanizate	<0.020	100	0	0
SMR 20 / raw	<0.020	90	10	0
SMR 20 / compound mix	<0.020	100	0	0
SMR 20 / vulcanizate	<0.020	100	0	0
RSS / raw	<0.020	88	0	12
RSS / vulcanizate	0.027	100	0	0
DPNR / normal grade / raw	0.022	90	10	0
DPNR / food grade / raw	<0.020	100	0	0
Cut thread A	<0.020	100	0	0
Cut thread B	0.029	90	10	0
Cut thread C	<0.020	100	0	0
Hot water bottle	<0.020	100	0	0
Diver's flippers	0.034	100	0	0
Latex glove^a	0.647	0	30	70
Latex glove^a	0.655	0	23	77
Latex glove^a	0.686	0	0	100

Compounded mix: ACS 1;
Vulcanizate: with ACS 1 mix, cured at 140°C for 40 minutes
DPNR - Deproteinised natural rubber, prepared by enzyme treatment of latex
a. Latex gloves known to show positive responses
Allergic responses: (4+) - Strong positive reaction; (3+) - Clear positive reaction; (2+) - Weak positive reaction; (-ve) - No positive reaction