MATERIALS FOR MAKING QUARTZ SLABS.

Time：2017-03-17

RAW MATERIALS
The raw materials utilised for manufacturing Quartz slabs are Aggregates, Mineral Fillers, Bonding Agents, Additives and Colouring Agents.

AGGREGATES 
Aggregates can be siliceous such as quartz, granite, porphyry, basalt, quartzite, silica sand or calcareous as marble, dolomite, coloured stones etc

The aggregates used can be either in sand or grain form and / or various size stones. The nature, size and grain size scale of the aggregates are chosen depending on the appearance and physical- mechanical properties of the final product to produce.

Aggregates can be purchased direct from the producer already dried and divided into the various grain sizes required.

MINERAL FILLERS 

Mineral fillers are mixed with resin to form “resin bonding agents”. These mineral fillers consist of various types of stone materials finely pulverised. Generally micronized silica (silex) or micronized feldspar are used with siliceous aggregates and calcium carbonate with calcareous aggregates. Mineral fillers and stone aggregates are widespread and easy to source raw materials.

BONDING AGENTS AND ADDITIVES
The organic resin normally used as bonding agent is unsaturated polyester resin .

The additives, added in small quantities to the mixes to obtain specific results, are catalysts, accelerators for hardening the resin and bifunctional silanes in siliceous aggregate mixes. (OT curing agent,nano curing agent) Hardening agent.

COLOURING AGENTS
The stone mixes can be coloured utilising metal oxide pigments.The colouring agents play an important role in the process because combined with the natural colour and size of the particles and thanks to the special mixing, compacting and treating equipment, they offer unlimited choices in colour and appearance of quartz slabs.

PRODUCTION CAPACITY OF ZHUODI MACHINERY.

Slab sizes range from 75 x244 cm up to 165 x320 cm with a finished thickness of 12 mm up to 30 mm.
These slabs can be sold as they are or transformed into finished products to the size required.
Slab production rate, depending on the plant model and layout, can vary from 400 SQM 1500 SQM  per working day.

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