Quality Requirement

□ According to the Keensen’s standard

□According to the customer’s requirement

Usage

Information Customer provided

□ Design drawing (including product size and logo)

□ Purchasing technical specification

□ Packaged sample

Special Specifications

Membrane Sheets Types

Name of Membrane Sheets

Quantity（Roll）

Remark 1

□RO

□NF

□ BW

□ ULP-HR

□ ULP

□ NF1

□ NF2

□500m/roll

□1000m/roll

Special Specifications and Parameters

Rejection Rate (%)

Membrane Filtration Flux GFD（NaCl）

Time for Stable Performance(h)

□NaCl

□MgSO4

Test Condition

Temperature

pH Value

Concentrate Flow

25℃

7.5-8.0

1.1GPM

Concentration of Feed Water

Operating Pressure psi(MPa)

Remark 2 (optional)

NaCl MgSO4

□500ppm □2000ppm

□1500ppm

□2000ppm

□225psi (1.55MPa)

□150psi (1.03MPa)

□70psi (0.48MPa)

Approved

Approved by Customer

Signature：                                                 Date：

Approved by Engineer

Signature：                   Date：