KNOWLEDGE BANK

TECHNICAL SPECIFICATIONS

Provided here the suitability factors of Johnson Engineered Marble and Quartz for various applications. However, each product must be chosen according to the specific application, considering the end use and environment in which the product is to be used.

APPLICATION AREA JOHNSON ENGINEERED MARBLE JOHNSON ENGINEERED QUARTZ
Internal Flooring Yes Yes
Internal Raised Flooring Yes
(large chips not suitable for self supported raised flooring)
Yes
Interior Cladding Yes
(up to 3m height using adhesives, >3m
using mechanical fixing)
Yes
(up to 3m height using adhesives, >3m
using mechanical fixing)
Exterior Flooring/Cladding Not Recommended Not Recommended
Vanity Tops Yes Yes
Kitchen Counter Tops Not Recommended Yes
Staircase Yes Yes
(Treads / Risers / Skirting) (large chips not suitable for self
supporting treads)
Door Jambs / Door Thresholds / Window Sills Yes Yes

Sizes of the product

Johnson Engineered Marble slabs are available in dimensions 305cm x 125cm and they can be manufactured in thickness from 16mm up to 3cm; the standard available thicknesses are 1.6cm and 18mm.

Size tolerances

Slabs

LENGTH / WIDTH (+/-) 0.5%
THICKNESS
(ONLY FOR NORMAL POLISHED FINISH)
(+/-) 5%
RECTANGULARITY (+/-) 0.6%
SURFACE FLATNESS (+/-) 5%
SIDE FLATNESS (+/-) 5%

Technical Specification

CHARACTERISTICS UNIT MARBLE QUARTZ
Water Absorption % < 0.4 < 0.085
Flexural Strength Mpa > 21 > 40
Hardness Mohs 3 6 to 7
Apparent Density Kg/m3 2200 - 2400 2400 - 2700
Abrasion Resistance mm 16.4 - 18 > 25
Deviation in Thickness % (+/-) 5 (+/-) 5
Surface Flatness % (+/-) 5 (+/-) 5
Rectangularity % (+/-) 0.6 (+/-) 0.6

*Non-standard thickness, can be provided only for bulk requirement.

Sizes of the product

Johnson Engineered Quartz slabs available in dimensions 305cm x 145cm and they can be manufactured in thickness from 16mm up to 3cm; the standard available thicknesses as 1.6cm & 18mm.

Size tolerances

Slabs

LENGTH / WIDTH (+/-) 0.5%
THICKNESS
(ONLY FOR NORMAL POLISHED FINISH)
(+/-) 5%
RECTANGULARITY (+/-) 0.6%
SURFACE FLATNESS (+/-) 5%
SIDE FLATNESS (+/-) 5%

Technical Specification

CHARACTERISTICS UNIT MARBLE QUARTZ
Water Absorption % < 0.4 < 0.085
Flexural Strength Mpa > 21 > 40
Hardness Mohs 3 6 to 7
Apparent Density Kg/m3 2200 - 2400 2400 - 2700
Abrasion Resistance mm 16.4 - 18 > 25
Deviation in Thickness % (+/-) 5 (+/-) 5
Surface Flatness % (+/-) 5 (+/-) 5
Rectangularity % (+/-) 0.6 (+/-) 0.6

* Results given above are non-binding and to be used only for reference. Figures are derived from average for different products.

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