RSS3

RUBBER REPORTING INDICATORS RSS1 BY STANDARDTCVN: 3769: 2004

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RIBBED SMOKED SHEET CLASSIFICATION (Based on The Green Book, 1969) 

Grade Rubber Mold Wrapping mold Opaque spots Over smoked spots Oxidized spots Burnt sheet
RSS1 Very slight Very slight No No No No
RSS2 Slight Slight No No No No
RSS3 Slight Slight Slight No No No
RSS4 Slight Slight Slight Slight No No
RSS5 Slight Slight Slight Slight N/A No
Grade Brief Description of RSS Grades (based on The Green Book-1969)
RSS1 Clean, dry, strong, small-scattered pinhead bubbles, free from blemishes, sand, foreign matter, under-cured
RSS2 Dry mould no more than 5%, clean, dry, strong, small-scattered bubbles, specks of bark, free from blemishes, sand, foreign matter, under-cured.
RSS3 Dry mould no more than 10%, clean , dry, strong, small-scattered bubbles, specks of bark, free from blemishes, sand, foreign matter, under-cured.
RSS4 Dry mould no more than 20%, clean , dry, strong, small-scattered bubbles, specks of bark, free from blemishes, sand, foreign matter.
RSS5 Dry mould no more than 30%, clean , dry, strong, large bark particles bubbles,small blisters, blemishes, free from sand, foreign matter.