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How to maintain Fujiashi products
Source：Fujiashi Time：2014-08-26 10:01

1. how to treat scratch and chalkiness:
usng a 400 mesh sandpaper to remove scratch first, then polish with a 800 sandpaper, finally to restore the shinny surface with detergent spray and scrub. If matte surface, simply use a 400 mesh sandpaper to polish.

2. spot, stain removal:
To treat slight water spots, macular, oil, cement, mortar, stains, rust, just refer to the method 1 above;
if more serious stains, a hand grinding polishing machine with a 400 mesh sandpaper is suggested for thorough surface grinding and polishing.

3. the collapse angle treatment:
cut the corner and chip the same shape using the same colors (from the same batch) of solid surface stone material (if slightly larger, just polish it); use the same type of solid surface stone material glue for fixing the collapse at the corner, then grind and polish.

4. rift treatment：
first using a Gong Machine to cut a 2-3mm seam at the rift location, then using the same glue to the solid stone material, finally grind and polish it.

Knowledge of Solid Surface Stone
Source：Fujiashi Time：2013-12-26 10:46

Solid Surface Stone also named as artificial stone is a synthetic material for decoration purposes.
According to the different binders, it can be divided into two types: the organic artificial stone and the inorganic artificial stone.
According to the process of its production, it can be divided into four types: the polyester artificial marble, the compound artificial marble, the silicate artificial marble, and the sintered artificial marble. For more info. please refer to wikipedia here

Among these 4 types, the organic (polyester) is most commonly used, its physical and chemical properties are the best.
Marble is a high grade decorative material, careful economical consideration shall be taken when purchase.
How to identify the quality:

(1) to determine pattern and color tones: in bright light conditions, place the selected plates together with the same other marble plates, stand at a distance of approx. 1.5 meters away, examine visually and carefully.
Result: the pattern and color of the plates should be reconciled.

(2) check the surface defects: in well-lit conditions, place the plate on the ground, stand at a distance of approx. 1.5 meters away and watch if there are invisible defects, if no defect is observed, the slab will be considered defect free.
These signs shall be considered defects: warpage; cracks, sand hole, color spots, stains and dimple phenomena.
The slab is considered to be good quality if no such above defects are observed, also good quality slabs shall not have any missing angel parts.
If one or more defects described above is observed while it will not affect the use of the slab, or if there is a chipping no bigger than 8mm in length and 3mm in width, or an missing angel no bigger than 3mm both in length and width, this slab quality can be considered acceptable.
Slabs can be damaged during transportation and loading, it can be glued (for cracked slabs), or repaired (for edge defects, surface potholes and pits), it is important that no obvious glue or repair sign shall be seen after repairment, and colors shall match.

(3) check the tags:
The marking order for marble slab is the title, the category, the size and specs., and the grade.
The standard marble slab title order: name of the product origin, pattern name, marble (coded M).
Marble slab is divided into two main categories:
Ordinary slab (coded N): for square or rectangular shaped slab;
Other shapes (coded S);
Marble slab has three grades: super grade (coded A), grade A (coded B) and qualified grade (coded C).
Such classification is based on the allowed tolerances of the slab size and specifications, the allowed tolerance limitations for the slab flatness, the permissible angel tolerance limit, the specular gloss and appearance quality.