The Federal Government, through the CONCEX, have approved Rule number 93, dated 19 August 1974, concerning Law number 59.607, dated 28 November 1966, dealing with Sisal Fibre Specifications destined for exportation.

Standard:

The sisal fibre, or agave, destined for exportation will be classified per type according to length and quality considering the specification as follows.

Classification of Length:

Long - 91 cm's to 110 cm's - with a tolerance of 20% length 71 cm's - 90 cm's.
This applies to all grades of line fibre but excluding Refugo and Bucha.

Classification per Grade:

TYPE 1 - Colour whitish/soft cream, well brushed, humidity maximum 14% without knots.

TYPE 2 - Colour cream/yellowish, well brushed, humidity maximum 14% without knots.

TYPE 3 - Colour cream/yellowish, well brushed, humidity maximum 14%, without knots.

REFUGOS (REJECT) - Colour brownish/green, humidity maximum 14%, presence of knots and high percentage of impurities.

BUCHA (TOW) - Colour yellowish/brownish, humidity maximum 14%, presence of knots and a very high level of dust.

Impurities level:

Sisal Type 1 - 1%
Sisal Type 2 - 3%
Sisal Type 3 - 5%