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| DAMA specification |
Application |
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The specification defines DAMA (DAMA:Darin
Asphalt Modified Additive), an additive to improve ASPHALT
mixture. |
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Ingredient
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Thermo plastic resin
Rubber from waste tire
Miscellaneous additives |
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Appearance : This product is sold in a vinyl bag and of grey powder.
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Purpose
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The product is designed to produce an asphalt
mixture that require increased bonding strength and enhanced the quality.
(General coarse particle, medium particle, fine particle and special purpose
asphalt mixture) |
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Quantity to be used and
packing
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| Quantity to be used |
0.5¡1.5% of asphalt mixture in weight |
| Packing |
5§¸/10§¸ units, 500§¸ Bag |
| Instruction |
During preparing for asphalt mixture, pour into the mixer after
asphalt is sprayed. (Plant Mix Type) |
| Instruction |
While preparing for asphalt mixture,
pour it into the mixer after asphalt is sprayed. (Plant Mix Type) Caution: When
producing an asphalt mixture, using this product, the mixing time should be
increased by 20 seconds from that of conventional ones. While producing,
spraying and Compaction this asphalt mixture powder, the temperature should be
controlled to be maintained about 10¡É-20¡É higher than the case of using
conventional asphalt mixtures. Pouring DAMA into the mixer should be done after
asphalt is injected. This product does not include any toxic agent. A caution
should be taken against scattering because it is of fine powder. When skin or
eyes areis contaminated with the powder, immediate clean it out with clean
water. In case when a large amount is inhaled, consultation with a doctor is
necessary. Wearing a mask is recommended when handling this product. As this
product contains thermoplastic resin, a care needs to be taken not to be exposed
to fire and at a temperature of over 100¡É. This product should be stored in a
dry place without direct sunlight where ventilation is good.
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Mixing procedure of
DAMA
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procedure |
heating |
temperature |
mixing time |
| ¥° |
aggregate+sand+pillar |
separate heating |
190¡É |
- |
| ¥± |
asphalt |
separate heating |
170¡É |
- |
| ¥² |
mixture |
existing method |
180¡É |
45sec |
| ¥³ |
DAMA mixture |
no need to heat up |
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15sec |
| ¥´ |
shipmemt |
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180¡É |
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