- Model NO.: Heavy calcium carbonate
- Purity: 90%~99%
- Grade Standard: Industrial Grade
- Specification: 25kg/Package
- Classification: CaCO3
- Type: Calcium Carbonate
- Transport Package: Shipped in 5 Days After Payment
- Origin: China
Floating price, please contact us if you have any problem about our product.
After a special agent after fine processing activity of calcium carbonate is Shiqi of particle air holes. It has a very good promotion to the permeability and moisture permeability of breathable film. At present, the domestic products mainly rely on imports. Foshan Shunde Meilin Chemical Co. Ltd. after three years of continuous research and debugging, now produce good dispersion performance, health and safety of the breathable membrane special filling material, its unique particle distribution, the white degree rate to replace imports makes possible; for domestic enterprises to reduce production costs, improve product quality to make contribution.
1, special non-woven fabric with microporous natural ventilation, the highest temperature in the film is plastic film covering the low 9 to 12 degrees centigrade, and the minimum temperature is only 1 lower than the plastic film to 2 DEG C, the temperature is stable, so as to avoid the plastic mulch found burning phenomenon of seedling.
2, the use of rice seedlings with special non-woven cover, humidity changes, without artificial ventilation seedlings, can significantly save labor, reduce labor intensity.
3, non-woven water, rain water through the non-woven into the seedbed soil can take advantage of the natural rainfall and river is impossible, thus reducing the number of water, water saving.
4, non-woven cover seedlings strong, neat, more tillers, leaf blade, leaf color is deep.
5, reduce environmental pollution. Rice seedling dedicated special non-woven life is generally 3 years, and the film is. But because it is composed of polypropylene matrix jet hot pressing, easy degradation than the film on the sunlight and other physical effects. And breathable, waterproof, even if some pieces into the soil, it will not lead to negative effect of conduction of similar agricultural block soil moisture and nutrient, thus the environmental pollution is far lower than the plastic film.
6, improve rice yield. Because of the dry seedling raising of non-woven fabrics, it is beneficial to improve the yield of rice, and the yield is increased by 2 ~ 5%.
7, non-woven fabric cover transmittance decrease, hanyuyang covered with plastic film mulching and non-woven light respectively accounted for 76% of atmospheric light and 63%, the difference between the two is small; and under the condition of water base only accounted for 61% of atmospheric light and 49%. The soil moisture content of the seedlings was obviously higher than that of the dry seedling raising, the condensation increased obviously, the permeability decreased and the light intensity decreased. Suitable for dry seedling raising.
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Guangzhou Top Billion Trading Co., Ltd.
ADD:Central Plaza, Huangpu District science Avenue, Guangzhou, China