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Product Info

PRODUCT PARAMETERS  Unit (mm)

PRODUCT NAME

MODEL

INSTRUCTIONS

STANDARD SIZE

REMARK

Lubricated Backup

HMH250R

Thickness: 2.70±0.15mm,

Density: 880±30kg/m³,

Hardness: 75±5(Shore-D),

Warpage: ≤0.6 %of diagonal 

37"*49";41"*49";43"*49"; Special sizes can be supplied and cut through negotiation between the supplier and the buyer.

The surface is white, smooth and flat, without surface defects such as pits, and slight color difference is allowed.

PRODUCT ADVANTAGES:

①Good lubrication effect, can reduce the wear of drill needle and the rate of needle breakage.

② Significant cooling effect, can reduce the temperature of the drill needle during drilling, and greatly improve the quality of hole wall.

③ Compared with imported Lubricating Backup on the market, it has a better inhibitory effect on the bottom burr.

④ The Lubricated Backup is used together with our company's Coated Aluminium Sheet , which can not only improve the hole position accuracy, but also obviously improve the hole wall quality.

USAGE METHOD:

① When drilling, it is placed under the PCB board, which can be used twice, and the front and back sides can be used once respectively.

② The drill needs to reserve a chip removal space of 10% to 20% of the effective edge length. 
STORAGE CONDITION:

① Placed horizontally, the storage period of the original packaging is six months.The temperature is 23±5℃, and the humidity is≤65%.