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?Introduction of expanded clay pellets
LECA (Lightweight Expanded Clay Aggregate) is a aggregate made of expanded clay at average 1200 ℃ in rotary kiln, the Yielding gases are expanded by thousands of small bubbles as long as this temperature and porosity will appear by many voids and honeycombs at these round shape aggregates when melted materials become cold. LECA is a manufactured aggregate which has many advantages compare with natural lightweight aggregate and since 1917 has used under different brand name in USA and Europe countries.
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garden clay ball
Lightweight Expanded Clay pebbles is a great growing medium for all plants. It provides excellent
drainage as well as moisture retention. Use it as a decorative mulch for potted plants, in ground plants, as an add mix to containers, and as a bottom layer for drainage. It is also widely used in hydroponic growing and is pH neutral.The pores in the stones store water and release water when required therefore providing an excellent environment for root development. Ideal for roses, orchids and all types of fruits and vegetables.Light expanded clay aggregate, also commonly referred to as "grow rock", is ideal for indoor hydroponic growth because of its neutral properties - Garden clay pebble has no acid or alkaline characteristics.
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4. Specification of LECA
| Nature | Item | Result |
| Chemical?Results | ? ? ? ? ? ? ? ? ? ? ?Size?Range????????????????????? | ?????????????????4-20mm????????????????????????????????? |
| The?main?material? | high?quality?of?clay? | |
| SiO2 | 55-60% | |
| Al2O3 | 5-10% | |
| Fe2O3 | 15-20% | |
| CaO | 3-5% | |
| K2O | 1-3% |
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| Nature | Item | Result |
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Physical?property?test?results | Particle?Size | 4-20mm |
| The?maint?material | Clay | |
| Apperance | Ball | |
| Surface?Density | 1.1-1.2g/cm3 | |
| Bulk?Density | 350~400kg/m3 | |
| Rate?of?Floatage | 90% | |
| The?sum?of?damage?rate?&?Wear?rate | 3.00% | |
| Accumulation?porosity | 20% | |
| Hydrochloric?acid?can?let?rate | 1.40% | |
| Friction?loss?rate | 2 | |
| Compression?strength | 3.0-4.0 | |
| Water?Absorption | 7% | |
| Particle?composition | 60-63% |
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1.?Your?inquiry?related?to?our?products?or?prices?will?be?replied?in?12hours.
2.?Well-trained?and?experienced?staffs?to?answer?your?enquires?in?fluent?English.
3.?All?our?products?have?high?quality?warranties.
4.?Sample?order?can?be?delivered?within?3?working?days,?small?order?3- 5working?days,?mass?order?7-10working?days.
5.?Samples?can?be?offered?by?free,customers?just?need?to?pay?the?freight.But?the?freight?can?be?returned?to?our?customer?after?he/she?places?formal?order?with?us.?
?Zhengzhou wade water treatment material co.,ltd ?is a professional manufacturer ,specialized in manufacturing all kindds of chemical products-Activated carbon, PAM, PAC,Activated oxide ball etc.With 10year experience and ISO,SGS,and ?Intertek certificate, our product has been exported to many countries such as Russia,Iran,Canada, Indonesia,Angola,Sout?and so on.
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Why Choose Us??
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1?We?are polyacrymide direct manufacturer.
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2?Advanced?technology?and?facilities,?good?quality?control,?different?grades?for?different?applicaiton?fields.
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3?OEM?service?to?lots?of?big?international?companies.
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4?More?than 10 years?experiecne?in?different?industries.
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5?More?than?10?engineers?for?product?research?and?after-sale?service.
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6?More?than?5000 tons?production?per?one?year.
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?We?warmly?welcome?all?clients?to?come?and?hold?business?talk?on?the?basis?of?equality?and?mutual?benefit.?Any?of?your?enquiries?and?orders?will?be?given?our?prompt?reply?and?best?attention.
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?1.How about the sample?
we can provide sample free and freight charges is collected
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2.what is your MOQ?
our product MOQ is 25kg
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3.what kind of package will use?
25kg plastic bags,also can be customized?
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4.what is the delivery time?
it will take about 3-5 days for 1*20GP container
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5.could you give me a discount?
Yes, we can have a negotiation
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6.could you give me a suggestion according to the information we described?
Of course,it is our mission to offer you professional service.
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7.what is shipping way?
By sea,by air,by courier.international train
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8.what is the type of your company?
?Zhengzhou?Wade?water?treatment?material?Co.,?LTD??are one of the biggest polyacrymide?manufacturer and trading company in Henan, China.
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