Table 3: Residual extractable proteins (EP) of dry rubbers and products and allergic response elicited in latex hypersensitive persons.
| Sample |
EP content, ug/g |
Allergic response by skin-prick test,% |
| |
(against BSA) |
-ve |
2+ |
3+/4+ |
| SMR CV/raw |
<20 |
100 |
0 |
0 |
| SMR CV/compound mix |
<20 |
100 |
0 |
0 |
| SMR CV/Vulcanizate |
<20 |
100 |
0 |
0 |
| SMR L/raw |
<20 |
90 |
10 |
0 |
| SMR L/compound mix |
<20 |
100 |
0 |
0 |
| SMR L/vulcanizate |
22 |
100 |
0 |
0 |
| SMR 10/vulcanizate |
<20 |
100 |
0 |
0 |
| SMR 20/raw |
<20 |
90 |
10 |
0 |
| SMR 20/compound mix |
<20 |
100 |
0 |
0 |
| SMR 20/vulcanizate |
<20 |
100 |
0 |
0 |
| RSS/raw |
<20 |
88 |
0 |
12 |
| RSS/vulcanizate |
27 |
100 |
0 |
0 |
| DPNR/normal grade/raw |
22 |
90 |
10 |
0 |
| DPNR/food grade/raw |
<20 |
100 |
0 |
0 |
| Cut-thread A |
<20 |
100 |
0 |
0 |
| Cut-thread B |
29 |
90 |
10 |
0 |
| Cut-thread C |
<20 |
100 |
0 |
0 |
| Hot water bottle |
<20 |
100 |
0 |
0 |
| Diver’s flippers |
34 |
100 |
0 |
0 |
| Latex glovea |
647 |
0 |
30 |
70 |
| Latex glovea |
655 |
0 |
23 |
77 |
| Latex glovea |
686 |
0 |
0 |
100 |
a Latex gloves known to show positive allergic responses.
Compounded mix: ACS 1. Vulcanizate: with ACS 1 mix, cured at 140°C for 40 minutes.
Allergic responses: (4+)Strong positive reaction;(3+)Clear positive reaction;(2+) Weak positive reaction;(-ve)No positive reaction.
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