DMF Free Silica Gel Dehumidifying Beads In Small Packet

  DMF Free Silica Gel Dehumidifying Beads In Small Packet     About Silica Gel: Transparent, glassy, smooth global, nonpoisonous and tasteless,neutral and non-corrosive. It's kind of chemical products, physical stable and environmental protection, non-degradable, the heavy metal content is lower than ROHS and GP standards.     Specification: In line with the national technical standard for board inspection requirements such as MIL-D3464E, JISZ 0701, DIN 55473 and so on.

Test items:	Specification:
Grain diameter(mm):	2.0-5.0(per requirement)
Loss on drying at 180℃(%):	5.0 Max
PH:	5.0
Apparent density(g/ml):	0.73
Surface area(m2/g):	650
Pore volume(ml/g):	0.36
Av.pore diameter(mm):	22
Specific heat(Kcal/kg.C):	0.22
Thermal conductivity(Kcal/m.hr.c):	0.15
Moisture adsorption: RH=20% RH=40% RH=90%	9.0%-11.5% 21.0%-22.0% 34.0%-35.0%

    Chemical parameters:

Chemical composition:	Silica Gel:
SiO2 (w t %)	99.7
Fe2O3 (w t %)	0.008
Al2O3 (w t %)	0.025
CaO (w t %)	0.01
Na2O (w t %)	0.05

        Product details:     Packing Material:  This tyvek paper desiccant is a bag which not need electric. We use tyvek paper as package material which is strong, tough.This paper can keep our fillers silica gel in bag safe,will not leaking out to pollute our goods.     Packing:     Application: We also use this desiccant bag in storage box,wardrobe,gun box,safety box,instrument,tool and other stroage place.   Focus Feature: Absorbs humidity and condensation in your vault Reusable crystals recharge in the oven Crystals change color once fully saturated Breathable bag can provides 360º of protection     Company:   Certification: Contact us: