BNBM Yuwang waterproof coating series products can be divided into polymer waterproof coating, polymer modified asphalt waterproof coating and polymer cement waterproof coating.

WATERPROOF COATING SERIES

Primer of substrate used for bituminous waterproofing sheet

Waterproof coating ranges

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The primer used for bituminous waterproofing sheets is a water-emulsion primer made of emulsified asphalt as the base material and modified by high polymer rubber emulsion.

PRODUCT

INTRODUCTION

FEATURES

PRODUCT

Water emulsion, no pollution, non-toxic, odorless.

①

Increasing the bonding strength between the membrane and the substrate.

②

Safe in construction and simple in operation

③

Storage: 5~40℃, preferably in a cool and dry place.
Packaging: sealed package in iron drum or plastic drum with the specification of 20kg per barrel.

Scraping Method

• Substrate treatment: the substrate must be smooth, clean and dry.
• Construction method: stirring evenly after opening the drum, the primer brushing should be uniform,non-exposed, not too thick or accumulated, the membrane construction should proceed after the primer is dry. Reference consumption: 0.4kg /㎡

Scraping Method

METHOD

CONSTRUCTION

≤5

ash content/%

0，no cracking

ow temperature flexibility/℃

80℃，no flowing

heat-resistance/℃

≥0.8

peel strength after immersed in water/（N/mm）

≥40

solid content/%

≤4h

touch drying time/h

规定值±30%

viscosity/MPa·s

Physical Index

JC∕T1069－2008《Primer of substrate used for bituminous waterproofing sheets》

EXECUTIVE STANDARD

STANDARD

EXECUTIVE

≥0.8

peel strength/（N/mm）

The product is mainly used for substrate treatment in construction of modified bituminous waterproof membrane.

FIELD

APPLICATION