Technical data of red terracotta

UNE-EN 14411 - Anexo A, Grupo AII_a-2 (6%<E<3%), SEMIGRES

Characteristic

Test method

Required value

Declared value

Dimensions and surface quality

ISO 10545-2

Length and width: +-2%(max. 4mm.)
Thickness: +-10%
Straightness +-1.0%
Rectangularity: +-1.0%
Flatness: +-1.5%
Surface quality <= 5%

Fulfilled

Water absorption

ISO 10545-3

Value mean 3%<E<=6%

3%<E<6%

Breaking strength

ISO 10545-4

> 800 N

> 3000 N

Modulus of rupture

ISO 10545-5

Value mean > 13N/mm2
(Not necessary if Modulus of rupture > 3000 N)

> 18 N/mm2.

Resistance to deep abrasion

ISO 10545-6

Wasted material volum <= 541 mm3

Fulfilled (393 mm3)

Frost resistance

ISO 10545-12

Not required

Resists

Chemical resistance

ISO 10545-13

Household Cleaning cleaning products: min. UB	Class UA No visible effect
Additives for swimming pool waters: min. UB	Class UA No visible effect
Acids and alkalis low concentrations	Class ULA No visible effect
Acids and alkalis high concentrations	Class UHA No visible effect

Stain resistance

ISO 10545-14

Not required

Light oil
Class 5
Hot water
cleaning agent

Slip resistance

UNE-ENV 12633	Required in CTE depending on use	In accordance to CTE: class 3(maximum)
DIN 51130 For shoed feet on wet surface	Not required	R10

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Terracotta