A teacher and civic leader until she passed, Nanay Soling is best known as a defiant and unbowed leader of Davaoenos in the fight against the Marcos dictatorship.
Not everyone could summon Nanay Soling's memory right now, because of what she clearly and unambiguously stood for.
The pro-dictatorship syndicate cannot publicly honor Nanay Soling. Her public record is as clear as the morning sun: She found the idea of a dictatorship totally repugnant to her as a mother, as a teacher, as a Mindanaoan, and as a Filipino.
And it can be used in combination with other soling
materials such as leather or textiles.
Huntsman Polyurethanes embarked on a research program about three years ago to develop a new generation of materials that would address the above limitations, increase further the performance of specialty footwear components and increase the total share of polyurethanes as soling materials.
Most soling applications require hardness in the range of 55 to 65A.
To meet the specific market request for lightness and comfort, new soling concepts were developed.
Figure 3 shows typical ranges for hardness, density and durability of footwear solings. The durability values are on the SATRA scale of `specific durability' (sd) established from extensive testing and wear trials; a soling of sd 2 would be expected to wear half as rapidly as one of sd 1.
In order to provide adequate service during wear, it is necessary for a soling to have the following basic properties: