1. Ribbed Smoked Sheet ( RSS ) ( HS code 4001.21 )
    RSS is graded by their physical appearance into five grades namely:-
    RSS1
    RSS2
    RSS3
    RSS4
    RSS5

2. Concentrate Latex ( HS code 4001.10 )
    Concentrate Latex is used as raw material in the production of condoms, rubber
    gloves etc.
    Concentrate Latex is subdivided into 2 grades:
    1. Low Ammonia (LA) with maximum 0.29% Ammonia added
    2. High Ammonia (HA) with minimum 0.60% Ammonia added

3. Standard Thai Rubber ( STR ) ( HS code 4001.29 )
    STR is the technically specified rubber grades exported in standard blocks of
    33.33kg.
    STR are widely used in American and European markets and are divided into:
    STR 5L & STR 5CV - from latex grades
    STR 10, STR 10 CV, STR 20 & STR 20 CV - from Unsmoked Sheets & Cup lumps

4. Skim Rubber ( HS code 4001.29 )
    Skim is a by-product from concentrate latex production and can be produced in
    two forms :-
    Skim Block
    Skim Crepe

5. Air Dried Sheet (ADS) ( HS code 4001.29 )
    Air Dried Sheets (ADS) are produced by drying sheet rubber in air drying tunnels
    under low temperature without smoke. The colour of ADS is golden in colour and is
    transparent in nature after drying.