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农药缓释剂
上传时间:2010/4/13
产品说明
      珍珠岩农药缓释剂是由酸性火山玻璃质熔岩(珍珠岩)经破碎、筛分至一定粒度,再经预热,瞬间高温焙烧而制成的一种白色或浅色的优质绝热材料。其颗粒内部是蜂窝状结构,无毒、无味、不腐蚀、不燃、耐酸、耐碱。膨胀珍珠岩制品具有重量轻、绝热、防火及吸音性能好的特点,因而广泛应用于石油、化工、电力、建筑、冶金等行业。应用于农业、园林上,则具有保肥、保水、无菌、透气性好的特点。
       除传统应用领域建材工业使用的规格外,我公司还开发了园艺专用珍珠岩和洗涤剂专用珍珠岩。
膨胀珍珠岩的具体应用领域:
      轻质建筑保温板材、内墙隔板、装饰吸音、防火涂料
      工业窑炉、管道用保温材料。
      啤酒、饮料、食品、医药等助滤剂。
      炼钢过程的除渣剂,空气分离设备保冷填充材料。
      橡胶、油漆、塑料、炸药等填充剂、扩张剂。
      农业、园艺等方面的土壤改良剂、无土栽培基质、农药缓释剂等。
本产品采用建材行业标准JC209-1992生产。
     珍珠岩农药缓释剂化学成分:

化学名称

SiO2

TiO2

Ai2O3

Fe2O3

FeO

MnO

MgO

CaO

K2O

Na2O

H2O+

H2O-

P2O3

含量变化

66.59-

75.01

0.02-

0.29

10.25-

14.31

0.27-

2.69

0.21-

1.60

0.17-

0.37

0.95-

1.05

0.48-

2.12

2.01-

5.21

2.31-

4.74

3.45-

5.93

0.12-

2.29

0.002-

0.12


      物理性能:

密度kg/m3

70

100

150

200

250

质量含水率%2,筛余量%20.15mm筛通过量%2

导热系数w/m.k

0.04-0.044

0.045-0.048

0.05-0.053

0.055-0.058

0.06-0.064

      微粒径珍珠岩农药缓释剂(小料):
 

密度kg/m3

70

粒径(mm)

粒度

0.84-0.6

(20-28)

0.6-0.28

(28-50)

0.28-0.15

(50-100)

0.15100

导热系数w/m.k

-840.029

指标%

40-50

30-40

5-10

8

 
 

Expanded Perlite is a white or light-colored, high-quality insulation material formed by crushing, sieving volcanic glassy acidic lava (perlite) to a certain size, and then by preheating, instant high-temperature baking. The particle interior is a honeycomb-like structure, it is non-toxic, tasteless, non-corrosive, non-flammable, acid, alkali. Expanded perlite products have such characteristics: light weight, thermal insulation, fire insulation and acoustic insulation, good sound absorption. They are widely used in petroleum, chemical, electric power, construction, metallurgy and other industries. they can retain fertilizers, conserve water, sterilization and good permeability when used in agriculture and gardens.

In addition to traditional specifications used in building industry, our firm has also developed a kind of perlite used specifically in horticulture and detergent agent.

Expanded perlite has the following specific application areas:

Lightweight building insulation board, interior wall partitions, decorative acoustic absorption material, fire-resistant coating;   

Thermal insulation in industrial furnace and pipe material;   

perlite filter aids in beer, beverage, food, medicine and other products.   

Poly Slag Agent in steelmaking process, air separation fillings to retain cold temperature;   

Fillers in rubber, paint, plastics, explosives and other expanding agents;   

Soil conditioner in agriculture and horticulture, etc., soilless cultivation substrate agent and pesticide-release agent.

The product uses building standard of JC209-1992.

Chemical components in expanded perlite

chemical

name

SiO2

TiO2

Al2O3

Fe2O3

FeO

MnO

MgO

CaO

K2O

Na2O

H2O+

H2O-

P2O3

content

change

66.59-75.01

0.02-0.29

10.25-14.31

0.27- 2.69

0.21- 1.60

0.17- 0.37

0.95- 1.05

0.48- 2.12

2.01- 5.21

2.31- 4.74

3.45- 5.93

0.12- 2.29

0.002- 0.12


Physical performance

Density kg/m3

70

100

150

200

250

Quality of water content %2Screen margin %20.15mm Throughput screening %2

Thermal conductivity w/m·k

0.04-0.044

0.045-0.048

0.05-0.053

0.055-0.058

0.06-0.064


Micro-sized expanded perlite(tiny material)

Density kg/m3

70

Particle size

(mm)

Size

0.84-0.6

(20-28 mesh)

0.6-0.28

(28-50 mesh)

0.28-0.15

(50-100 mesh)

0.15

 (100 mesh)

Thermal conductivity W/m·k

-840.029

Index %

40-50

30-40

5-10

8

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