RSS
1 : Grade 1 Ribbed Smoked Sheets RSS 1 refers to Ribbed Smoked Sheets,
produced from natural rubber ... More ...
RSS
1 : Grade 1 Ribbed Smoked Sheets RSS 1 refers to Ribbed Smoked Sheets,
produced from natural rubber latex as ribbed sheets, by coagulation with
acids and sheeting, properly air dried and smoked, and visually graded.
Ribbed smoked sheets (RSS) are graded based on visual assessment of
quality. The International Rubber Quality and PackingConference
(IRQPC) have specified the grade descriptions, to establish acceptable
grades for commercial usage. Specification (RSS1)
Main Kinds of products:
- SVR3L, SVR10, SVR20, SVR CV50, SVR CV60 - RSS1 and RSS3 - Latex HA60% and LA
Property
MEAN TEST RESULT
VIETNAMESE STANDARD
3769 – 2004
SVR3L
SVR3L
Dirt(retained on 45ìm aperature), max %wt.
0.017
0.03 max
Ash, max % wt.
0.144
0.50 max
Nitrogen, max %wt.
0.20
0.60 max
Volatile matter, max %wt.
0.38
0.80 max
Initial Wallace plasticity (Po) range.
42
30 min
PRI(P30/Po)*100
87
60 min
Lovibond Color
4 max
6 max
Mooney viscosity ML (1’+4’)100oC
-
-
Standard Vietnamese Rubber 10
_ Dirt %w/t : 0.08 max _ Ash %w/t : 0.60 max _ Volatile matter %w/t: 0.80 max _ Nitrogen %w/t : 0.60 max _ Initial Wallace Plasticity range : Range 30 min _ Palaticity Retention Index (PRI) : 50 min.
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